Date   
Re: List of presenters (so far) for GPSL 2020

Mark Conner N9XTN
 

List below now has the subject of the talk - thanks to Hank N1LTV for the suggestion.

Bill Brown WB8ELKPico Ballooning Techniques & Hardware
Joanne Michael KM6BWBCross-country balloon race
Steve Randall G8KHWHAB in the UK
Jeff Ducklow N0NQNDe-spun camera platform using Arduino
Mark Patton KC0DADS-B payload for EOSS
Jayant MurthyExperiences in scientific ballooning in India
Mark Conner N9XTNNWS radiosonde chasing
Mike Hojnowski KD2EATLivestreaming video from balloon
Paul Verhage KD4STHSilicon radiation detectors

On Tue, Jun 16, 2020 at 9:06 PM Mark Conner <mconner1@...> wrote:
Below is the list of presenters I have as of today.  I believe we may also have Pat Kilroy N8PK and Bob Bruninga WB4APR, but I can't locate the email to confirm this.  Pat, please email me to confirm participation and topic.

I think we have room for one or maybe two more talks, depending on what we determine for the length of the different talks.  Right now we have right about 5 hours of talks.  If you would like to present, let me know before the end of the week so we can finalize the schedule.

73 de Mark N9XTN
Bill Brown WB8ELK
Joanne Michael KM6BWB
Steve Randall G8KHW
Jeff Ducklow N0NQN
Mark Patton KC0D
Jayant Murthy
Mark Conner N9XTN
Mike Hojnowski KD2EAT
Paul Verhage KD4STH

Re: KF4ZTI11 latex floater heading across Arkansas tonight

Zack Clobes W0ZC
 

Her question was about a 30 foot (~10 meters) balloon, not inches.



Zack


On Wed, Jun 17, 2020, 4:11 AM Steve G8KHW / AJ4XE <steve@...> wrote:

Its possible but quite unlikely I think - 30in balloons (I assume you are talking about the variety used for floater flights with payloads of a few grams) usually float about 8,000m (25,000ft) - about the 350mBar layer in the atmosphere - this is quite an active layer:

    https://earth.nullschool.net/#current/wind/isobaric/250hPa/orthographic=-92.78,37.08,432

    https://earth.nullschool.net/#current/wind/isobaric/500hPa/orthographic=-92.78,37.08,432

The shape of the balloon will have very little impact on the drift (if any at all).

    Steve G8KHW


On 16/06/2020 23:15, Margie Kay wrote:
I have a question for you balloon experts - I am a MUFON investigator and am wondering if it is possible for a balloon 30' in diameter to be shaped like a flat donut and stay in the same location and altitude for over six hours?

I appreciate your comments.

P.S. I'm setting up my MADAR unit in Independence, Missouri tonight if I can figure it out!

Sincerely, 

On Sat, Jun 13, 2020 at 9:23 PM Bill Brown via groups.io <wb8elk=aol.com@groups.io> wrote:
KF4ZTI-11 was launched this morning (Saturday) from Clarksville TN with just one pound of payload attached. GoPro type camera and an APRS tracker. It transmits every 1 minute on 144.39 and then 10 seconds later on 144.34 MHz...This payload sat in a tree for a week or two last year and saw quite a bit of weather. As a result the transmit frequency has shifted to 144.348 MHz on APRS as well as 144.398 MHz when it gets below -20 C...As a result it is out of the passband for most digipeaters. I am still copying it here in Huntsville AL from 220 miles out but is about out of range for me. Is there someone in the St. Louis, Kansas City, Little Rock, Memphis or east OK or NE TX that can set up an iGate tuned to 144.348 MHz tonight? If you already have an iGate, can you tune it to 144.398 or 144.348 MHz? This is an unplanned latex floater due to KF4ZTI putting in only a few ounces of positive lift on a 1200 gram balloon. It floated all day around 107000 feet but is descending after sunset...probably will level out around 90,000 feet and continue on west across Arkansas tonight.

- Bill WB8ELK




--
Margie Kay
Missouri MUFON Assistant State Director
www.missourimufon.org
MUFON Star Team
Kansas City, Missouri
816-833-1602 (office)



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Re: KF4ZTI11 latex floater heading across Arkansas tonight

Steve G8KHW / AJ4XE
 

Its possible but quite unlikely I think - 30in balloons (I assume you are talking about the variety used for floater flights with payloads of a few grams) usually float about 8,000m (25,000ft) - about the 350mBar layer in the atmosphere - this is quite an active layer:

    https://earth.nullschool.net/#current/wind/isobaric/250hPa/orthographic=-92.78,37.08,432

    https://earth.nullschool.net/#current/wind/isobaric/500hPa/orthographic=-92.78,37.08,432

The shape of the balloon will have very little impact on the drift (if any at all).

    Steve G8KHW


On 16/06/2020 23:15, Margie Kay wrote:
I have a question for you balloon experts - I am a MUFON investigator and am wondering if it is possible for a balloon 30' in diameter to be shaped like a flat donut and stay in the same location and altitude for over six hours?

I appreciate your comments.

P.S. I'm setting up my MADAR unit in Independence, Missouri tonight if I can figure it out!

Sincerely, 

On Sat, Jun 13, 2020 at 9:23 PM Bill Brown via groups.io <wb8elk=aol.com@groups.io> wrote:
KF4ZTI-11 was launched this morning (Saturday) from Clarksville TN with just one pound of payload attached. GoPro type camera and an APRS tracker. It transmits every 1 minute on 144.39 and then 10 seconds later on 144.34 MHz...This payload sat in a tree for a week or two last year and saw quite a bit of weather. As a result the transmit frequency has shifted to 144.348 MHz on APRS as well as 144.398 MHz when it gets below -20 C...As a result it is out of the passband for most digipeaters. I am still copying it here in Huntsville AL from 220 miles out but is about out of range for me. Is there someone in the St. Louis, Kansas City, Little Rock, Memphis or east OK or NE TX that can set up an iGate tuned to 144.348 MHz tonight? If you already have an iGate, can you tune it to 144.398 or 144.348 MHz? This is an unplanned latex floater due to KF4ZTI putting in only a few ounces of positive lift on a 1200 gram balloon. It floated all day around 107000 feet but is descending after sunset...probably will level out around 90,000 feet and continue on west across Arkansas tonight.

- Bill WB8ELK




--
Margie Kay
Missouri MUFON Assistant State Director
www.missourimufon.org
MUFON Star Team
Kansas City, Missouri
816-833-1602 (office)



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This email has been checked for viruses by AVG antivirus software.
www.avg.com


Re: List of presenters (so far) for GPSL 2020

Hank Riley
 

Mark, wherever possible, could you attach a real short description to each name of what the corresponding topic will be?  That might be helpful to anyone contemplating being another presenter.
________________________________________________________________________

On Tuesday, Mark  wrote:

Below is the list of presenters I have as of today. 

I think we have room for one or maybe two more talks, depending on what we determine for the length of the different talks.  Right now we have right about 5 hours of talks.  If you would like to present, let me know before the end of the week so we can finalize the schedule.

List of presenters (so far) for GPSL 2020

Mark Conner N9XTN
 

Below is the list of presenters I have as of today.  I believe we may also have Pat Kilroy N8PK and Bob Bruninga WB4APR, but I can't locate the email to confirm this.  Pat, please email me to confirm participation and topic.

I think we have room for one or maybe two more talks, depending on what we determine for the length of the different talks.  Right now we have right about 5 hours of talks.  If you would like to present, let me know before the end of the week so we can finalize the schedule.

73 de Mark N9XTN
Bill Brown WB8ELK
Joanne Michael KM6BWB
Steve Randall G8KHW
Jeff Ducklow N0NQN
Mark Patton KC0D
Jayant Murthy
Mark Conner N9XTN
Mike Hojnowski KD2EAT
Paul Verhage KD4STH

Re: KF4ZTI11 latex floater heading across Arkansas tonight

Zack Clobes W0ZC
 

The short answer is yes, it could appear to stay put for quite a long time.

The air currents a various altitudes go in various directions, and the wind on the ground has zero indication of what it's doing at any given height in the sky.

Some balloons will use this to their advantage to adjust heights to either stay in a low wind layer, or to go back and forth between two opposing layers to stay put (hot air balloon pilots do this too, which is one reason Albuquerque is so popular).


Winds up in the 80,000'+ range regularly are less than 10mph, which would appear stationary at that range.

Zack


On Tue, Jun 16, 2020, 5:15 PM Margie Kay <momufonasd@...> wrote:
I have a question for you balloon experts - I am a MUFON investigator and am wondering if it is possible for a balloon 30' in diameter to be shaped like a flat donut and stay in the same location and altitude for over six hours?

I appreciate your comments.

P.S. I'm setting up my MADAR unit in Independence, Missouri tonight if I can figure it out!

Sincerely, 

On Sat, Jun 13, 2020 at 9:23 PM Bill Brown via groups.io <wb8elk=aol.com@groups.io> wrote:
KF4ZTI-11 was launched this morning (Saturday) from Clarksville TN with just one pound of payload attached. GoPro type camera and an APRS tracker. It transmits every 1 minute on 144.39 and then 10 seconds later on 144.34 MHz...This payload sat in a tree for a week or two last year and saw quite a bit of weather. As a result the transmit frequency has shifted to 144.348 MHz on APRS as well as 144.398 MHz when it gets below -20 C...As a result it is out of the passband for most digipeaters. I am still copying it here in Huntsville AL from 220 miles out but is about out of range for me. Is there someone in the St. Louis, Kansas City, Little Rock, Memphis or east OK or NE TX that can set up an iGate tuned to 144.348 MHz tonight? If you already have an iGate, can you tune it to 144.398 or 144.348 MHz? This is an unplanned latex floater due to KF4ZTI putting in only a few ounces of positive lift on a 1200 gram balloon. It floated all day around 107000 feet but is descending after sunset...probably will level out around 90,000 feet and continue on west across Arkansas tonight.

- Bill WB8ELK




--
Margie Kay
Missouri MUFON Assistant State Director
www.missourimufon.org
MUFON Star Team
Kansas City, Missouri
816-833-1602 (office)

Re: KF4ZTI11 latex floater heading across Arkansas tonight

Hank Riley
 

I had to Google MADAR.

https://www.nicap.org/madar.htm

________________________________________________________


On Tuesday, June 16, 2020, Margie Kay wrote:

I have a question for you balloon experts - I am a MUFON investigator and am wondering if it is possible for a balloon 30' in diameter to be shaped like a flat donut and stay in the same location and altitude for over six hours?

I appreciate your comments.

P.S. I'm setting up my MADAR unit in Independence, Missouri tonight if I can figure it out!

Re: KF4ZTI11 latex floater heading across Arkansas tonight

Margie Kay
 

I have a question for you balloon experts - I am a MUFON investigator and am wondering if it is possible for a balloon 30' in diameter to be shaped like a flat donut and stay in the same location and altitude for over six hours?

I appreciate your comments.

P.S. I'm setting up my MADAR unit in Independence, Missouri tonight if I can figure it out!

Sincerely, 

On Sat, Jun 13, 2020 at 9:23 PM Bill Brown via groups.io <wb8elk=aol.com@groups.io> wrote:
KF4ZTI-11 was launched this morning (Saturday) from Clarksville TN with just one pound of payload attached. GoPro type camera and an APRS tracker. It transmits every 1 minute on 144.39 and then 10 seconds later on 144.34 MHz...This payload sat in a tree for a week or two last year and saw quite a bit of weather. As a result the transmit frequency has shifted to 144.348 MHz on APRS as well as 144.398 MHz when it gets below -20 C...As a result it is out of the passband for most digipeaters. I am still copying it here in Huntsville AL from 220 miles out but is about out of range for me. Is there someone in the St. Louis, Kansas City, Little Rock, Memphis or east OK or NE TX that can set up an iGate tuned to 144.348 MHz tonight? If you already have an iGate, can you tune it to 144.398 or 144.348 MHz? This is an unplanned latex floater due to KF4ZTI putting in only a few ounces of positive lift on a 1200 gram balloon. It floated all day around 107000 feet but is descending after sunset...probably will level out around 90,000 feet and continue on west across Arkansas tonight.

- Bill WB8ELK




--
Margie Kay
Missouri MUFON Assistant State Director
www.missourimufon.org
MUFON Star Team
Kansas City, Missouri
816-833-1602 (office)

Re: KF4ZTI 11 latex floater now over Tulsa OK

Harry M
 

There were two visual sightings the first one was from Rich KD5JXU in Yonkers Oklahoma it was about 1km down range at 107 or 108000 feet. As it came across Southern Tulsa County i had a visual. It was about 7.5 miles down range at about 107 to 108000 Ft. Both Rich and I only used our naked eyes. I did have polarized sunglasses on.

Dan K5SEL from Stillwater was first in the area then Rich KD5JXU was there as Dan left. Rich talked to several of the landowners, searched around and finally gave up because there was no more RF.  Apparently the batteries died. Landowners were left with several contact numbers and we're told to notify hunters this fall that the payload is in the area.

Re: KF4ZTI 11 latex floater now over Tulsa OK

Bill Brown
 

Hank....The APRS tracker is one of my older versions of the Skytracker but instead of solar panels it had a 4-AAA lithium battery pack running it. Mounted on a piece of foamcore with three layers of small-cell bubblewrap covering it. At times it got quite hot inside floating along at 108000 feet. over +40 deg C at times and at night it went down to -45 deg C.

This one has flown multiple times (once at GPSL last year) and a later flight ended up in a tree last Fall for a couple of weeks.... as a result the reference oscillator or the synthesizer chip appears to have been damaged probably due to moisture corrosion and it has a lot of drift in it when it got down to -45 deg C. Harry KC5TRB and I managed to get nearly full coverage of it during the night by tuning up frequency to where it decided to transmit. I had copy on it out to 300 miles and Harry started to receive it around 260 miles once it was about halfway between us. GPS is a uBlox MAX-8Q and it never lost GPS lock and had 12 satellites throughout the flight and even at -45 deg C.

Battery life should be around 36 hours but will likely be less due to the long duration at -45 deg C. It lasted until an hour before sunrise but started up again once the batteries heated up after sunrise. It was still going strong after 28 hours when it finally burst and landed.

Balloon was a 1200 gram Kaymont (Totex) and the payload plus parachute weight was 1 pound (including a GoPro style camera). Greg KF4ZTI apparently only put an ounce or two of positive lift into the balloon. He filled it outside and had difficulty measuring the lift in the wind.  He used hydrogen. It was launched yesterday morning from Clarksville TN.

Initially it was going up around 170 ft/minute but at 30,000 feet (Reynold's number area) it increased to 450 ft/minute until it achieved float around 107,000 feet for the rest of the day. At night it dropped down to 91000 feet then bounced around between 92000 to 95000 most of the night. At sunrise it went back up to 109000 feet and burst at 110000 feet about 4 or 5 hours after sunrise when the UV radiation finally got to the latex.

- Bill WB8ELK







-----Original Message-----
From: James Ewen VE6SRV <ve6srv@...>
To: GPSL@groups.io
Sent: Sun, Jun 14, 2020 12:02 pm
Subject: Re: [GPSL] KF4ZTI 11 latex floater now over Tulsa OK

If it was within a few hours of me, I *know* I would head out and retrieve it. 

Like a dog after a ball!

James
VE6SRV

On Sun, Jun 14, 2020 at 10:59 AM Garrett, Mark <ma-garrett@...> wrote:
I believe so since it transmits on 144.390 and 144.340 thereabouts.  There are openings in that area so possibly it made it to one of those.  I know if it was close to me I would head out.  Might be a nice drive in the country at the worst.

On Sun, Jun 14, 2020 at 11:55 AM Zack Clobes W0ZC <zclobes@...> wrote:
I've been texting with Harry this morning. Said he was trying to get a local to find a final location. 

Final location looks to be pretty heavily wooded. Is this one of Bill's balloons???

Zack

On Sun, Jun 14, 2020, 11:51 AM Garrett, Mark <ma-garrett@...> wrote:
It is coming down.  Harry, you gonna retrieve it?

On Sun, Jun 14, 2020 at 11:00 AM Zack Clobes W0ZC <zclobes@...> wrote:
The floater seems to be descending slowly.

As for the visual, yes they look like a star in the day fly. They're really cool to watch and especially when they pop.

Zack

On Sun, Jun 14, 2020, 9:38 AM James Ewen VE6SRV <ve6srv@...> wrote:
Harry might be wearing glasses if he has bad vision. Most likely just using his eyes. 

A 1200 gram balloon at that altitude is easy to spot. It will be a little white dot in the sky. 

The balloon will be about 30 feet or so across. 

It is kind of hard to imagine being able to see a balloon so far away until you actually see one. I recall seeing my first HAB at altitude and being amazed that I could see it. 

One flight we did, we put a very light payload in a 1 cu ft styrofoam box with no parachute. Just a tumble recovery.  

I was watching the flight with binoculars when the balloon burst. I was able to watch the box fall to the earth. 

I watched it down to about 30,000 feet where I foolishly thought “I’ll have a look for be box with my naked eyes!”. I was unable to find the box with the binoculars after that. 

Recovered the payload a couple miles from where we were watching the burst. 

James
VE6SRV


On Sun, Jun 14, 2020 at 8:31 AM Hank Riley via groups.io <n1ltv=yahoo.com@groups.io> wrote:
Bill,

What kind of optical aid is Harry using?  Very appropriate he of all people is getting that treat.

Hank
_______________________


On Sunday, June 14, 2020, 10:24:04 AM EDT, Bill wrote:

Harry KC5TRB has a visual sighting of the KF4ZTI-11 latex floater as it flies nearly over the top of his house in Tulsa OK at 108,000 feet. It has been flying now for 25 hours.

--
James
VE6SRV


--
Mark Garrett
Tri States Public Radio
WIUM Macomb, IL
WIUW Warsaw, IL
WVKC Galesburg, IL
K292GR Burlington, IA
Office (309) 298-1104
Cell    (309) 255-6987
Fax    (309) 298-2133
Zack


--
Mark Garrett
Tri States Public Radio
WIUM Macomb, IL
WIUW Warsaw, IL
WVKC Galesburg, IL
K292GR Burlington, IA
Office (309) 298-1104
Cell    (309) 255-6987
Fax    (309) 298-2133
--
James
VE6SRV

Re: KF4ZTI 11 latex floater now over Tulsa OK

Bill Brown
 

The KF4ZTI-11 latex floater has landed just north of Warwick OK after almost a 28-hour flight. Batteries should last until around 6 or 7 pm.  Harry KC5TRB has a local ham from Stillwater in the area listening for it but he doesn't have a way to decode APRS so he is going to listen for the packet bursts and see if he can spot the parachute. We have the landing site predicted along Rd N3380 (north-south road) near the intersection of Rd E880(east-west) plus or minus a half mile or so along N3380 Rd.

35.741N -96.982W  is the center of the search area.  

If anyone in the Oklahoma City region has APRS mobile or portable here's your chance for balloon chase and recovery.

- Bill WB8ELK


-----Original Message-----
From: Garrett, Mark <ma-garrett@...>
To: GPSL@groups.io
Sent: Sun, Jun 14, 2020 12:04 pm
Subject: Re: [GPSL] KF4ZTI 11 latex floater now over Tulsa OK

I am the same way.  

On Sun, Jun 14, 2020 at 12:02 PM James Ewen VE6SRV <ve6srv@...> wrote:
If it was within a few hours of me, I *know* I would head out and retrieve it. 

Like a dog after a ball!

James
VE6SRV

On Sun, Jun 14, 2020 at 10:59 AM Garrett, Mark <ma-garrett@...> wrote:
I believe so since it transmits on 144.390 and 144.340 thereabouts.  There are openings in that area so possibly it made it to one of those.  I know if it was close to me I would head out.  Might be a nice drive in the country at the worst.

On Sun, Jun 14, 2020 at 11:55 AM Zack Clobes W0ZC <zclobes@...> wrote:
I've been texting with Harry this morning. Said he was trying to get a local to find a final location. 

Final location looks to be pretty heavily wooded. Is this one of Bill's balloons???

Zack

On Sun, Jun 14, 2020, 11:51 AM Garrett, Mark <ma-garrett@...> wrote:
It is coming down.  Harry, you gonna retrieve it?

On Sun, Jun 14, 2020 at 11:00 AM Zack Clobes W0ZC <zclobes@...> wrote:
The floater seems to be descending slowly.

As for the visual, yes they look like a star in the day fly. They're really cool to watch and especially when they pop.

Zack

On Sun, Jun 14, 2020, 9:38 AM James Ewen VE6SRV <ve6srv@...> wrote:
Harry might be wearing glasses if he has bad vision. Most likely just using his eyes. 

A 1200 gram balloon at that altitude is easy to spot. It will be a little white dot in the sky. 

The balloon will be about 30 feet or so across. 

It is kind of hard to imagine being able to see a balloon so far away until you actually see one. I recall seeing my first HAB at altitude and being amazed that I could see it. 

One flight we did, we put a very light payload in a 1 cu ft styrofoam box with no parachute. Just a tumble recovery.  

I was watching the flight with binoculars when the balloon burst. I was able to watch the box fall to the earth. 

I watched it down to about 30,000 feet where I foolishly thought “I’ll have a look for be box with my naked eyes!”. I was unable to find the box with the binoculars after that. 

Recovered the payload a couple miles from where we were watching the burst. 

James
VE6SRV


On Sun, Jun 14, 2020 at 8:31 AM Hank Riley via groups.io <n1ltv=yahoo.com@groups.io> wrote:
Bill,

What kind of optical aid is Harry using?  Very appropriate he of all people is getting that treat.

Hank
_______________________


On Sunday, June 14, 2020, 10:24:04 AM EDT, Bill wrote:

Harry KC5TRB has a visual sighting of the KF4ZTI-11 latex floater as it flies nearly over the top of his house in Tulsa OK at 108,000 feet. It has been flying now for 25 hours.

--
James
VE6SRV



Zack


--
James
VE6SRV


--
Mark Garrett
Tri States Public Radio
WIUM Macomb, IL
WIUW Warsaw, IL
WVKC Galesburg, IL
K292GR Burlington, IA
Office (309) 298-1104
Cell    (309) 255-6987
Fax    (309) 298-2133

Re: KF4ZTI 11 latex floater now over Tulsa OK

Garrett, Mark
 

I am the same way.  

On Sun, Jun 14, 2020 at 12:02 PM James Ewen VE6SRV <ve6srv@...> wrote:
If it was within a few hours of me, I *know* I would head out and retrieve it. 

Like a dog after a ball!

James
VE6SRV

On Sun, Jun 14, 2020 at 10:59 AM Garrett, Mark <ma-garrett@...> wrote:
I believe so since it transmits on 144.390 and 144.340 thereabouts.  There are openings in that area so possibly it made it to one of those.  I know if it was close to me I would head out.  Might be a nice drive in the country at the worst.

On Sun, Jun 14, 2020 at 11:55 AM Zack Clobes W0ZC <zclobes@...> wrote:
I've been texting with Harry this morning. Said he was trying to get a local to find a final location. 

Final location looks to be pretty heavily wooded. Is this one of Bill's balloons???

Zack

On Sun, Jun 14, 2020, 11:51 AM Garrett, Mark <ma-garrett@...> wrote:
It is coming down.  Harry, you gonna retrieve it?

On Sun, Jun 14, 2020 at 11:00 AM Zack Clobes W0ZC <zclobes@...> wrote:
The floater seems to be descending slowly.

As for the visual, yes they look like a star in the day fly. They're really cool to watch and especially when they pop.

Zack

On Sun, Jun 14, 2020, 9:38 AM James Ewen VE6SRV <ve6srv@...> wrote:
Harry might be wearing glasses if he has bad vision. Most likely just using his eyes. 

A 1200 gram balloon at that altitude is easy to spot. It will be a little white dot in the sky. 

The balloon will be about 30 feet or so across. 

It is kind of hard to imagine being able to see a balloon so far away until you actually see one. I recall seeing my first HAB at altitude and being amazed that I could see it. 

One flight we did, we put a very light payload in a 1 cu ft styrofoam box with no parachute. Just a tumble recovery.  

I was watching the flight with binoculars when the balloon burst. I was able to watch the box fall to the earth. 

I watched it down to about 30,000 feet where I foolishly thought “I’ll have a look for be box with my naked eyes!”. I was unable to find the box with the binoculars after that. 

Recovered the payload a couple miles from where we were watching the burst. 

James
VE6SRV


On Sun, Jun 14, 2020 at 8:31 AM Hank Riley via groups.io <n1ltv=yahoo.com@groups.io> wrote:
Bill,

What kind of optical aid is Harry using?  Very appropriate he of all people is getting that treat.

Hank
_______________________


On Sunday, June 14, 2020, 10:24:04 AM EDT, Bill wrote:

Harry KC5TRB has a visual sighting of the KF4ZTI-11 latex floater as it flies nearly over the top of his house in Tulsa OK at 108,000 feet. It has been flying now for 25 hours.

--
James
VE6SRV




Zack



--
James
VE6SRV



--
Mark Garrett
Tri States Public Radio
WIUM Macomb, IL
WIUW Warsaw, IL
WVKC Galesburg, IL
K292GR Burlington, IA
Office (309) 298-1104
Cell    (309) 255-6987
Fax    (309) 298-2133

Re: KF4ZTI 11 latex floater now over Tulsa OK

James Ewen VE6SRV
 

If it was within a few hours of me, I *know* I would head out and retrieve it. 

Like a dog after a ball!

James
VE6SRV

On Sun, Jun 14, 2020 at 10:59 AM Garrett, Mark <ma-garrett@...> wrote:
I believe so since it transmits on 144.390 and 144.340 thereabouts.  There are openings in that area so possibly it made it to one of those.  I know if it was close to me I would head out.  Might be a nice drive in the country at the worst.

On Sun, Jun 14, 2020 at 11:55 AM Zack Clobes W0ZC <zclobes@...> wrote:
I've been texting with Harry this morning. Said he was trying to get a local to find a final location. 

Final location looks to be pretty heavily wooded. Is this one of Bill's balloons???

Zack

On Sun, Jun 14, 2020, 11:51 AM Garrett, Mark <ma-garrett@...> wrote:
It is coming down.  Harry, you gonna retrieve it?

On Sun, Jun 14, 2020 at 11:00 AM Zack Clobes W0ZC <zclobes@...> wrote:
The floater seems to be descending slowly.

As for the visual, yes they look like a star in the day fly. They're really cool to watch and especially when they pop.

Zack

On Sun, Jun 14, 2020, 9:38 AM James Ewen VE6SRV <ve6srv@...> wrote:
Harry might be wearing glasses if he has bad vision. Most likely just using his eyes. 

A 1200 gram balloon at that altitude is easy to spot. It will be a little white dot in the sky. 

The balloon will be about 30 feet or so across. 

It is kind of hard to imagine being able to see a balloon so far away until you actually see one. I recall seeing my first HAB at altitude and being amazed that I could see it. 

One flight we did, we put a very light payload in a 1 cu ft styrofoam box with no parachute. Just a tumble recovery.  

I was watching the flight with binoculars when the balloon burst. I was able to watch the box fall to the earth. 

I watched it down to about 30,000 feet where I foolishly thought “I’ll have a look for be box with my naked eyes!”. I was unable to find the box with the binoculars after that. 

Recovered the payload a couple miles from where we were watching the burst. 

James
VE6SRV


On Sun, Jun 14, 2020 at 8:31 AM Hank Riley via groups.io <n1ltv=yahoo.com@groups.io> wrote:
Bill,

What kind of optical aid is Harry using?  Very appropriate he of all people is getting that treat.

Hank
_______________________


On Sunday, June 14, 2020, 10:24:04 AM EDT, Bill wrote:

Harry KC5TRB has a visual sighting of the KF4ZTI-11 latex floater as it flies nearly over the top of his house in Tulsa OK at 108,000 feet. It has been flying now for 25 hours.

--
James
VE6SRV



--
Mark Garrett
Tri States Public Radio
WIUM Macomb, IL
WIUW Warsaw, IL
WVKC Galesburg, IL
K292GR Burlington, IA
Office (309) 298-1104
Cell    (309) 255-6987
Fax    (309) 298-2133

Zack



--
Mark Garrett
Tri States Public Radio
WIUM Macomb, IL
WIUW Warsaw, IL
WVKC Galesburg, IL
K292GR Burlington, IA
Office (309) 298-1104
Cell    (309) 255-6987
Fax    (309) 298-2133

--
James
VE6SRV

Re: KF4ZTI 11 latex floater now over Tulsa OK

Garrett, Mark
 

I believe so since it transmits on 144.390 and 144.340 thereabouts.  There are openings in that area so possibly it made it to one of those.  I know if it was close to me I would head out.  Might be a nice drive in the country at the worst.

On Sun, Jun 14, 2020 at 11:55 AM Zack Clobes W0ZC <zclobes@...> wrote:
I've been texting with Harry this morning. Said he was trying to get a local to find a final location. 

Final location looks to be pretty heavily wooded. Is this one of Bill's balloons???

Zack

On Sun, Jun 14, 2020, 11:51 AM Garrett, Mark <ma-garrett@...> wrote:
It is coming down.  Harry, you gonna retrieve it?

On Sun, Jun 14, 2020 at 11:00 AM Zack Clobes W0ZC <zclobes@...> wrote:
The floater seems to be descending slowly.

As for the visual, yes they look like a star in the day fly. They're really cool to watch and especially when they pop.

Zack

On Sun, Jun 14, 2020, 9:38 AM James Ewen VE6SRV <ve6srv@...> wrote:
Harry might be wearing glasses if he has bad vision. Most likely just using his eyes. 

A 1200 gram balloon at that altitude is easy to spot. It will be a little white dot in the sky. 

The balloon will be about 30 feet or so across. 

It is kind of hard to imagine being able to see a balloon so far away until you actually see one. I recall seeing my first HAB at altitude and being amazed that I could see it. 

One flight we did, we put a very light payload in a 1 cu ft styrofoam box with no parachute. Just a tumble recovery.  

I was watching the flight with binoculars when the balloon burst. I was able to watch the box fall to the earth. 

I watched it down to about 30,000 feet where I foolishly thought “I’ll have a look for be box with my naked eyes!”. I was unable to find the box with the binoculars after that. 

Recovered the payload a couple miles from where we were watching the burst. 

James
VE6SRV


On Sun, Jun 14, 2020 at 8:31 AM Hank Riley via groups.io <n1ltv=yahoo.com@groups.io> wrote:
Bill,

What kind of optical aid is Harry using?  Very appropriate he of all people is getting that treat.

Hank
_______________________


On Sunday, June 14, 2020, 10:24:04 AM EDT, Bill wrote:

Harry KC5TRB has a visual sighting of the KF4ZTI-11 latex floater as it flies nearly over the top of his house in Tulsa OK at 108,000 feet. It has been flying now for 25 hours.

--
James
VE6SRV



--
Mark Garrett
Tri States Public Radio
WIUM Macomb, IL
WIUW Warsaw, IL
WVKC Galesburg, IL
K292GR Burlington, IA
Office (309) 298-1104
Cell    (309) 255-6987
Fax    (309) 298-2133

Zack



--
Mark Garrett
Tri States Public Radio
WIUM Macomb, IL
WIUW Warsaw, IL
WVKC Galesburg, IL
K292GR Burlington, IA
Office (309) 298-1104
Cell    (309) 255-6987
Fax    (309) 298-2133

Re: KF4ZTI 11 latex floater now over Tulsa OK

Zack Clobes W0ZC
 

I've been texting with Harry this morning. Said he was trying to get a local to find a final location. 

Final location looks to be pretty heavily wooded. Is this one of Bill's balloons???

Zack

On Sun, Jun 14, 2020, 11:51 AM Garrett, Mark <ma-garrett@...> wrote:
It is coming down.  Harry, you gonna retrieve it?

On Sun, Jun 14, 2020 at 11:00 AM Zack Clobes W0ZC <zclobes@...> wrote:
The floater seems to be descending slowly.

As for the visual, yes they look like a star in the day fly. They're really cool to watch and especially when they pop.

Zack

On Sun, Jun 14, 2020, 9:38 AM James Ewen VE6SRV <ve6srv@...> wrote:
Harry might be wearing glasses if he has bad vision. Most likely just using his eyes. 

A 1200 gram balloon at that altitude is easy to spot. It will be a little white dot in the sky. 

The balloon will be about 30 feet or so across. 

It is kind of hard to imagine being able to see a balloon so far away until you actually see one. I recall seeing my first HAB at altitude and being amazed that I could see it. 

One flight we did, we put a very light payload in a 1 cu ft styrofoam box with no parachute. Just a tumble recovery.  

I was watching the flight with binoculars when the balloon burst. I was able to watch the box fall to the earth. 

I watched it down to about 30,000 feet where I foolishly thought “I’ll have a look for be box with my naked eyes!”. I was unable to find the box with the binoculars after that. 

Recovered the payload a couple miles from where we were watching the burst. 

James
VE6SRV


On Sun, Jun 14, 2020 at 8:31 AM Hank Riley via groups.io <n1ltv=yahoo.com@groups.io> wrote:
Bill,

What kind of optical aid is Harry using?  Very appropriate he of all people is getting that treat.

Hank
_______________________


On Sunday, June 14, 2020, 10:24:04 AM EDT, Bill wrote:

Harry KC5TRB has a visual sighting of the KF4ZTI-11 latex floater as it flies nearly over the top of his house in Tulsa OK at 108,000 feet. It has been flying now for 25 hours.

--
James
VE6SRV



--
Mark Garrett
Tri States Public Radio
WIUM Macomb, IL
WIUW Warsaw, IL
WVKC Galesburg, IL
K292GR Burlington, IA
Office (309) 298-1104
Cell    (309) 255-6987
Fax    (309) 298-2133

Zack

Re: KF4ZTI 11 latex floater now over Tulsa OK

Garrett, Mark
 

It is coming down.  Harry, you gonna retrieve it?

On Sun, Jun 14, 2020 at 11:00 AM Zack Clobes W0ZC <zclobes@...> wrote:
The floater seems to be descending slowly.

As for the visual, yes they look like a star in the day fly. They're really cool to watch and especially when they pop.

Zack

On Sun, Jun 14, 2020, 9:38 AM James Ewen VE6SRV <ve6srv@...> wrote:
Harry might be wearing glasses if he has bad vision. Most likely just using his eyes. 

A 1200 gram balloon at that altitude is easy to spot. It will be a little white dot in the sky. 

The balloon will be about 30 feet or so across. 

It is kind of hard to imagine being able to see a balloon so far away until you actually see one. I recall seeing my first HAB at altitude and being amazed that I could see it. 

One flight we did, we put a very light payload in a 1 cu ft styrofoam box with no parachute. Just a tumble recovery.  

I was watching the flight with binoculars when the balloon burst. I was able to watch the box fall to the earth. 

I watched it down to about 30,000 feet where I foolishly thought “I’ll have a look for be box with my naked eyes!”. I was unable to find the box with the binoculars after that. 

Recovered the payload a couple miles from where we were watching the burst. 

James
VE6SRV


On Sun, Jun 14, 2020 at 8:31 AM Hank Riley via groups.io <n1ltv=yahoo.com@groups.io> wrote:
Bill,

What kind of optical aid is Harry using?  Very appropriate he of all people is getting that treat.

Hank
_______________________


On Sunday, June 14, 2020, 10:24:04 AM EDT, Bill wrote:

Harry KC5TRB has a visual sighting of the KF4ZTI-11 latex floater as it flies nearly over the top of his house in Tulsa OK at 108,000 feet. It has been flying now for 25 hours.

--
James
VE6SRV



--
Mark Garrett
Tri States Public Radio
WIUM Macomb, IL
WIUW Warsaw, IL
WVKC Galesburg, IL
K292GR Burlington, IA
Office (309) 298-1104
Cell    (309) 255-6987
Fax    (309) 298-2133

Re: KF4ZTI 11 latex floater now over Tulsa OK

Zack Clobes W0ZC
 

The floater seems to be descending slowly.

As for the visual, yes they look like a star in the day fly. They're really cool to watch and especially when they pop.

Zack


On Sun, Jun 14, 2020, 9:38 AM James Ewen VE6SRV <ve6srv@...> wrote:
Harry might be wearing glasses if he has bad vision. Most likely just using his eyes. 

A 1200 gram balloon at that altitude is easy to spot. It will be a little white dot in the sky. 

The balloon will be about 30 feet or so across. 

It is kind of hard to imagine being able to see a balloon so far away until you actually see one. I recall seeing my first HAB at altitude and being amazed that I could see it. 

One flight we did, we put a very light payload in a 1 cu ft styrofoam box with no parachute. Just a tumble recovery.  

I was watching the flight with binoculars when the balloon burst. I was able to watch the box fall to the earth. 

I watched it down to about 30,000 feet where I foolishly thought “I’ll have a look for be box with my naked eyes!”. I was unable to find the box with the binoculars after that. 

Recovered the payload a couple miles from where we were watching the burst. 

James
VE6SRV


On Sun, Jun 14, 2020 at 8:31 AM Hank Riley via groups.io <n1ltv=yahoo.com@groups.io> wrote:
Bill,

What kind of optical aid is Harry using?  Very appropriate he of all people is getting that treat.

Hank
_______________________


On Sunday, June 14, 2020, 10:24:04 AM EDT, Bill wrote:

Harry KC5TRB has a visual sighting of the KF4ZTI-11 latex floater as it flies nearly over the top of his house in Tulsa OK at 108,000 feet. It has been flying now for 25 hours.

--
James
VE6SRV

Re: KF4ZTI 11 latex floater now over Tulsa OK

James Ewen VE6SRV
 

Harry might be wearing glasses if he has bad vision. Most likely just using his eyes. 

A 1200 gram balloon at that altitude is easy to spot. It will be a little white dot in the sky. 

The balloon will be about 30 feet or so across. 

It is kind of hard to imagine being able to see a balloon so far away until you actually see one. I recall seeing my first HAB at altitude and being amazed that I could see it. 

One flight we did, we put a very light payload in a 1 cu ft styrofoam box with no parachute. Just a tumble recovery.  

I was watching the flight with binoculars when the balloon burst. I was able to watch the box fall to the earth. 

I watched it down to about 30,000 feet where I foolishly thought “I’ll have a look for be box with my naked eyes!”. I was unable to find the box with the binoculars after that. 

Recovered the payload a couple miles from where we were watching the burst. 

James
VE6SRV


On Sun, Jun 14, 2020 at 8:31 AM Hank Riley via groups.io <n1ltv=yahoo.com@groups.io> wrote:
Bill,

What kind of optical aid is Harry using?  Very appropriate he of all people is getting that treat.

Hank
_______________________


On Sunday, June 14, 2020, 10:24:04 AM EDT, Bill wrote:

Harry KC5TRB has a visual sighting of the KF4ZTI-11 latex floater as it flies nearly over the top of his house in Tulsa OK at 108,000 feet. It has been flying now for 25 hours.

--
James
VE6SRV

Re: KF4ZTI 11 latex floater now over Tulsa OK

Hank Riley
 

Please, now that the situation has settled down a little, tell us a little more about the hardware.  Who designed it and built it?  Microcontroller employed?

What should have been the lift?
____________________________________________________________________________

 This is an unplanned latex floater due to KF4ZTI putting in only a few ounces of positive lift on a 1200 gram balloon.

Re: KF4ZTI 11 latex floater now over Tulsa OK

Hank Riley
 

Bill,

What kind of optical aid is Harry using?  Very appropriate he of all people is getting that treat.

Hank
_______________________


On Sunday, June 14, 2020, 10:24:04 AM EDT, Bill wrote:

Harry KC5TRB has a visual sighting of the KF4ZTI-11 latex floater as it flies nearly over the top of his house in Tulsa OK at 108,000 feet. It has been flying now for 25 hours.