Date   
Send your name to Mars

L. Paul Verhage KD4STH
 

NASA is collecting names to go with their 2020 Mars Rover. Here is a link for you, https://mars.nasa.gov/participate/send-your-name/mars2020/

Flight Registration for GPSL 2019

Zack Clobes W0ZC
 

I've been updating the website with attendee and flight information.  So far there's only a couple of flights listed.  If you're wanting a timeslot on 144.39, it's time to get your request in as we'll have to get that firmed up here very quickly.

 

Also, as a former GPSL organizer, PLEASE cut Mike some slack and get registered ASAP so he can get logistics ironed out.  *hint hint*.


See you in a few!!!


Zack Clobes, W0ZC
Project: Traveler
www.projecttraveler.org

Join us on Facebook for the latest information:



Project: Traveler is a research project of Custom Digital Services, LLC.

Re: 2019 GPSL Update

Garrett, Mark
 

I registered today as I had planned to after Hamvention.  Will be returning the WB0URW-5 along with the balloon.  I did separate the Skytracker from the balloon to confirm its operation, beaconing away on sunny days from a window and should be ready to fly with a new balloon.

Mark


On Wed, May 22, 2019 at 6:18 PM Mike, n0mpm <morgamp52@...> wrote:
We are only 3 weeks away!  Here is what's going on...much of this will end up on the superlaunch web page, but here is a sneak peak:

1. Pre-Registrations are running very slow.  So far only 18 have signed up for the seminar and that includes Jim and me.  GPSL 2013 in Pella had 39 at the Friday seminar.  If you are planning on attending please pre-register SOON....I need a bunch more to cover my up front costs and to meet some minimum numbers on dinner venues.

2.  The Thursday Tours are just about set.  We will tour Lely Inc, a company that makes automatic/computerized milking machines. Lely is a Dutch company and Europe is way ahead of the USA implementing this technology.   I am sure we all will be running out to buy a herd of milk cows so we can make use of this product.   Our other tour will be back at Vermeer Manufacturing most likely in their Forestry Division.  I had hoped to tour the directional drilling area, but it got "blown away" in last July's tornado.  We will also get a recap on the tornado and the rebuild plans.  As time permits, those that want to visit the Dutch Windmill, I will be glad to give the tour.

3.  Zack is working on getting the Saturday balloon launch information form on the web page.  So far I know of 4 latex balloons, and I assume a few pico balloons will be in the mix also...Those I know about so far are:  KD2EAT(Mike), EOSS, MOHAB, and Project Traveler(with NearSys)...

4.  I plan to work with Mark Conner to order up perfect weather.  So far this spring, his perfect weather strategy has not been working too well.....

Looking forward to an educational and fun weekend...



--
Mark Garrett, KA9SZX
Tri States Public Radio

Re: 2019 GPSL Update

L. Paul Verhage KD4STH
 

I will also share a flight with Mike Moody. I have a balloon for that launch.

Mike, we need to get gas.

Zack, did I say what balloon I would bring for our flight?

On Wed, May 22, 2019, 5:18 PM Mike, n0mpm <morgamp52@...> wrote:
We are only 3 weeks away!  Here is what's going on...much of this will end up on the superlaunch web page, but here is a sneak peak:

1. Pre-Registrations are running very slow.  So far only 18 have signed up for the seminar and that includes Jim and me.  GPSL 2013 in Pella had 39 at the Friday seminar.  If you are planning on attending please pre-register SOON....I need a bunch more to cover my up front costs and to meet some minimum numbers on dinner venues.

2.  The Thursday Tours are just about set.  We will tour Lely Inc, a company that makes automatic/computerized milking machines. Lely is a Dutch company and Europe is way ahead of the USA implementing this technology.   I am sure we all will be running out to buy a herd of milk cows so we can make use of this product.   Our other tour will be back at Vermeer Manufacturing most likely in their Forestry Division.  I had hoped to tour the directional drilling area, but it got "blown away" in last July's tornado.  We will also get a recap on the tornado and the rebuild plans.  As time permits, those that want to visit the Dutch Windmill, I will be glad to give the tour.

3.  Zack is working on getting the Saturday balloon launch information form on the web page.  So far I know of 4 latex balloons, and I assume a few pico balloons will be in the mix also...Those I know about so far are:  KD2EAT(Mike), EOSS, MOHAB, and Project Traveler(with NearSys)...

4.  I plan to work with Mark Conner to order up perfect weather.  So far this spring, his perfect weather strategy has not been working too well.....

Looking forward to an educational and fun weekend...

Re: GPSL 2019 Hydrogen Available for Purchase

Joe WB9SBD
 

Actually what is even better, and I even have a tankful but just have not made a payload as of yet for the flight.

This Gas make Hydrogen seem as safe as helium or nitrogen.

I'm gonna do a flight using NH3

It has a neat property when it gets cold enough it will condense back to a liquid and of course loose it's lifting capability. then as it warms it will boil off again and get it's lift back so possibly the balloon could fly forever.

Joe WB9SBD

The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com

On 5/22/2019 6:00 PM, Mike wrote:
That’s why you could go for the record.  Actually n2 density is 96.8% of air density(give or take a tad for air humidity)
It would be one big balloon!  
As a chemical engineer I tend to know these useless facts.  


On May 22, 2019, at 5:41 PM, Joe <nss@...> wrote:

Nitrogen is heavier than air,,

Joe WB9SBD
<CLEAN-IDLE-TYME-LOGO-120x96.jpg>
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com

On 5/22/2019 1:25 PM, Mike wrote:
Everyone I talk to does not use h2. Or supply h2.  The mom and pop shops are supplied from airgas.  Vermeer is a huge welding gas user but has no h2 usage.  They won’t let me purchase under their vendor agreement.   
I can get you nitrogen for peanuts.  You could shoot for a record on alt and distance!

Sent from my iPhone

On May 22, 2019, at 12:30 PM, Joe <nss@...> wrote:

I really find it extremely hard to believe in rural farming country that someplace within 5 miles of there doesn't have any.  You need to look in not what you think places.
Like my gas passer is a place that fixes and sells lawn mowers.
In no way would you know they sell gas, just a plain brown building.
Joe WB9SBD
<H2.jpg>
<CLEAN-IDLE-TYME-LOGO-120x96.jpg>
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com

On 5/22/2019 10:45 AM, Mike Morgan wrote:

airgas is only supplier in 25 mile radius

On 5/22/2019 10:24 AM, Joe wrote:
try a local farm supply store.
That's where I get mine. $29 bucks. Largest tank made.

Joe WB9SBD
<CLEAN-IDLE-TYME-LOGO-120x96.jpg>
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com

On 5/22/2019 10:13 AM, Mike Morgan wrote:

Airgas

Praxair left town 5 years ago.    Welding supply vendors do not supply gas...

mpm

On 5/22/2019 7:29 AM, Zack Clobes wrote:
That's a question for Mike.  He is coordinating this year's gpsl.


Zack

On Tue, May 21, 2019, 10:17 PM Hank Riley <n1ltv@...> wrote:
Zack,

Do you know what the name of the hydrogen supplier for GPSL 2019 is?  I see Airgas and Praxir are in Pella.  No doubt several welding supply places, too.

Joe asked the question over a week ago and there hasn't been a response posted.  I think it was a good question.

Hank
__________________________________________________


On Sunday, May 12, 2019, 11:25:28 PM EDT, Joe WB9SBD <nss@...> wrote:

Where are you getting your H2 from,
Last I bought was 29 bucks and checked 2 weeks ago.





2019 GPSL Update

Mike, n0mpm
 

We are only 3 weeks away!  Here is what's going on...much of this will end up on the superlaunch web page, but here is a sneak peak:

1. Pre-Registrations are running very slow.  So far only 18 have signed up for the seminar and that includes Jim and me.  GPSL 2013 in Pella had 39 at the Friday seminar.  If you are planning on attending please pre-register SOON....I need a bunch more to cover my up front costs and to meet some minimum numbers on dinner venues.

2.  The Thursday Tours are just about set.  We will tour Lely Inc, a company that makes automatic/computerized milking machines. Lely is a Dutch company and Europe is way ahead of the USA implementing this technology.   I am sure we all will be running out to buy a herd of milk cows so we can make use of this product.   Our other tour will be back at Vermeer Manufacturing most likely in their Forestry Division.  I had hoped to tour the directional drilling area, but it got "blown away" in last July's tornado.  We will also get a recap on the tornado and the rebuild plans.  As time permits, those that want to visit the Dutch Windmill, I will be glad to give the tour.

3.  Zack is working on getting the Saturday balloon launch information form on the web page.  So far I know of 4 latex balloons, and I assume a few pico balloons will be in the mix also...Those I know about so far are:  KD2EAT(Mike), EOSS, MOHAB, and Project Traveler(with NearSys)...

4.  I plan to work with Mark Conner to order up perfect weather.  So far this spring, his perfect weather strategy has not been working too well.....

Looking forward to an educational and fun weekend...

Re: GPSL 2019 Hydrogen Available for Purchase

Joe WB9SBD
 

I really find it extremely hard to believe in rural farming country that someplace within 5 miles of there doesn't have any.  You need to look in not what you think places.
Like my gas passer is a place that fixes and sells lawn mowers.
In no way would you know they sell gas, just a plain brown building.
Joe WB9SBD


The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com

The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com

On 5/22/2019 10:24 AM, Joe wrote:
try a local farm supply store.
That's where I get mine. $29 bucks. Largest tank made.

Joe WB9SBD

The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com

On 5/22/2019 10:13 AM, Mike Morgan wrote:

Airgas

Praxair left town 5 years ago.    Welding supply vendors do not supply gas...

mpm

On 5/22/2019 7:29 AM, Zack Clobes wrote:
That's a question for Mike.  He is coordinating this year's gpsl.


Zack

On Tue, May 21, 2019, 10:17 PM Hank Riley <n1ltv@...> wrote:
Zack,

Do you know what the name of the hydrogen supplier for GPSL 2019 is?  I see Airgas and Praxir are in Pella.  No doubt several welding supply places, too.

Joe asked the question over a week ago and there hasn't been a response posted.  I think it was a good question.

Hank
__________________________________________________


On Sunday, May 12, 2019, 11:25:28 PM EDT, Joe WB9SBD <nss@...> wrote:

Where are you getting your H2 from,
Last I bought was 29 bucks and checked 2 weeks ago.



Re: Wanted: Payload recovery team for GPSL

Michael Hojnowski
 

Jerry,

Awesome, thanks!  We can coordinate more at the meeting on Friday :-)

Mike

On 5/20/2019 5:33 PM, Jerry via Groups.Io wrote:
Mike,

I don't have a balloon to chase so I can probably go after the bear.

Jerry Gable
Balloon Flight Prediction tools
http://www.s3research.com


On Sunday, May 19, 2019, 4:11:32 PM MST, Michael Hojnowski <kd2eat@...> wrote:


Nick,

The flight will have three identical trackers.  They're all APRS "Peach"
trackers, originally designed by Alan Adamson, W7QO, though built by me
and some Cornell students.  They're running with 1/4 wave dipole
antennas and measured at about 15mw.  I've flown 12 of my own payloads
with these trackers, and assisted in a half dozen other flights with
them.  I've never lost a flight using these trackers, aside from that
last drop payload that ended up in a lake.   That said, they're 15mW. 
It takes skill to track and recover them.  It's usually advisable to
have someone near the predicted landing zone as it descends.  If they're
in a tree, you'll hear them easily a mile away.  If they're on the
ground, it could be 1/4 mile or less, depending on terrain.  On one
recovery, I had to unsquelch my radio and listen for squawks and driving
around doing crude "rdf" until they were loud and clear enough to
decode.  I know I'm a whacko, but in my opinion, that adds to the fun
and challenge of the payload fox hunt.  Since the payloads belong to me,
I can take that chance.  For other groups, we usually supplement with a
SPOT or something.

I'd prefer to chase my main payload, since it'll have hundreds of
dollars of additional electronics on it.  I wouldn't want to put the
"declared lost" responsibility on anyone but myself.  The drop payload
I'm requesting help for will just be the stuffed animal with a tracker,
which costs me about $50 to build.  If we can't find it, "oh well". 
I'll spend more than that on gasoline on the chase day.

Anyway, the payload I'm requesting help for is simply a fun and silly
little experiment.  No harm, no foul if lost, or if people aren't
interested in chasing it.  I can always backtrack to look for it after
my main payload recovery.

Mike

On 5/19/2019 9:46 AM, Nick wrote:
> Mike,
>
> When you say a "tracker" can we assume that includes a GPS, APRS processor like a TinyTrack3, a transmitter of some power (we chased a 50 mw transmitter once that was a giant waste of time), and a reasonable antenna and that the package has flown before and/or had a reasonable amount of testing?
>
> Would you consider chasing and recovering the secondary and let another group chase and recovery the main payload?
>
> Nick
> EOSS

>
> -----Original Message-----
> From: GPSL@groups.io [mailto:GPSL@groups.io] On Behalf Of Michael Hojnowski
> Sent: Saturday, May 18, 2019 20:33
> To: GPSL@groups.io
> Subject: [GPSL] Wanted: Payload recovery team for GPSL
>
> Gang,
>
> I'm intending to reprise a launch of the payload we launched at Cornell
> a few weeks back.  It features a DTMF triggered secondary payload
> release (the last one was a little Cornell Big Red Bear) with Parachute
> and tracker.  We attempted to release it at 90,000 feet but our DTMF
> decoder didn't quite get the message.  A failsafe dropped the bear from
> 95,000 feet.  Unfortunately, the Bear got a little waterlogged prior to
> flight (it was drizzling rain) and fell faster than predicted right into
> Cayuga lake.  It's sleepin' with the fishes.
>
> I want to make another attempt with a, hopefully, better outcome. Since
> the dropped payload follows its own trajectory, I would need to have a
> second team attempt to recover that payload while I chase down the main
> payload package.  If anyone is free to chase the drop payload, I'd love
> the help.  It's not going to be especially valuable, just a tracker and
> some token item on a hand-made parachute, so I won't cry if it goes
> unrecovered.
>
> If interested, please let me know!
> Mike / KD2EAT
> Advisor, Amateur Radio Club at Cornell
>
>
>
>
>
>
>
>
>





Re: Wanted: Payload recovery team for GPSL

Michael Hojnowski
 

Mark,

Yea, when I ran predictions for the previous launch, I anticipated that the Bear would drop in about the same place as the main payload.  We had expected a much lower descent rate (4m/s vs 6.1 m/s).  Unfortunately, the bear fell at 9 m/s, and so fell well to the west of our prediction.  I'm going to try and do more drop tests with the new and improved bear to dial in the descent rate so I get a better prediction.  I would like it to be a few m/s slower than the main payload, so that they are in the same general area.  If necessary, I can sew up a slightly larger parachute.

Regarding beaconing time, the last time I did a duration test, one AAA battery lasted something on the order of 3 days.  It shouldn't be a problem for the flight and recovery.

Mike

On 5/20/2019 1:45 PM, Garrett, Mark wrote:
Looks like my question got answered in later messages.  
If the operations are exclusively on 144.390 then possibly tailoring the parachute for a longer decent rate to get more reports might be beneficial to recovery.  Since steering winds are not as prevalent as they are in winter, it should still be in the general drop zone of the balloons around it.  How many hours of operation will the bear have with the APRS Peach tracker?

Mark 

On Mon, May 20, 2019 at 12:26 PM Garrett, Mark via Groups.Io <ma-garrett=wiu.edu@groups.io> wrote:
Michael:

Just catching up on emails after meeting you at Hamvention.  What kind of tracking device are you going with for the bear?  

On Sat, May 18, 2019 at 9:32 PM Michael Hojnowski <kd2eat@...> wrote:
Gang,

I'm intending to reprise a launch of the payload we launched at Cornell
a few weeks back.  It features a DTMF triggered secondary payload
release (the last one was a little Cornell Big Red Bear) with Parachute
and tracker.  We attempted to release it at 90,000 feet but our DTMF
decoder didn't quite get the message.  A failsafe dropped the bear from
95,000 feet.  Unfortunately, the Bear got a little waterlogged prior to
flight (it was drizzling rain) and fell faster than predicted right into
Cayuga lake.  It's sleepin' with the fishes.

I want to make another attempt with a, hopefully, better outcome. Since
the dropped payload follows its own trajectory, I would need to have a
second team attempt to recover that payload while I chase down the main
payload package.  If anyone is free to chase the drop payload, I'd love
the help.  It's not going to be especially valuable, just a tracker and
some token item on a hand-made parachute, so I won't cry if it goes
unrecovered.

If interested, please let me know!
Mike / KD2EAT
Advisor, Amateur Radio Club at Cornell







Re: Wanted: Payload recovery team for GPSL

Jerry
 

Mike,

I don't have a balloon to chase so I can probably go after the bear.

Jerry Gable
Balloon Flight Prediction tools
http://www.s3research.com


On Sunday, May 19, 2019, 4:11:32 PM MST, Michael Hojnowski <kd2eat@...> wrote:


Nick,

The flight will have three identical trackers.  They're all APRS "Peach"
trackers, originally designed by Alan Adamson, W7QO, though built by me
and some Cornell students.  They're running with 1/4 wave dipole
antennas and measured at about 15mw.  I've flown 12 of my own payloads
with these trackers, and assisted in a half dozen other flights with
them.  I've never lost a flight using these trackers, aside from that
last drop payload that ended up in a lake.   That said, they're 15mW. 
It takes skill to track and recover them.  It's usually advisable to
have someone near the predicted landing zone as it descends.  If they're
in a tree, you'll hear them easily a mile away.  If they're on the
ground, it could be 1/4 mile or less, depending on terrain.  On one
recovery, I had to unsquelch my radio and listen for squawks and driving
around doing crude "rdf" until they were loud and clear enough to
decode.  I know I'm a whacko, but in my opinion, that adds to the fun
and challenge of the payload fox hunt.  Since the payloads belong to me,
I can take that chance.  For other groups, we usually supplement with a
SPOT or something.

I'd prefer to chase my main payload, since it'll have hundreds of
dollars of additional electronics on it.  I wouldn't want to put the
"declared lost" responsibility on anyone but myself.  The drop payload
I'm requesting help for will just be the stuffed animal with a tracker,
which costs me about $50 to build.  If we can't find it, "oh well". 
I'll spend more than that on gasoline on the chase day.

Anyway, the payload I'm requesting help for is simply a fun and silly
little experiment.  No harm, no foul if lost, or if people aren't
interested in chasing it.  I can always backtrack to look for it after
my main payload recovery.

Mike

On 5/19/2019 9:46 AM, Nick wrote:
> Mike,
>
> When you say a "tracker" can we assume that includes a GPS, APRS processor like a TinyTrack3, a transmitter of some power (we chased a 50 mw transmitter once that was a giant waste of time), and a reasonable antenna and that the package has flown before and/or had a reasonable amount of testing?
>
> Would you consider chasing and recovering the secondary and let another group chase and recovery the main payload?
>
> Nick
> EOSS

>
> -----Original Message-----
> From: GPSL@groups.io [mailto:GPSL@groups.io] On Behalf Of Michael Hojnowski
> Sent: Saturday, May 18, 2019 20:33
> To: GPSL@groups.io
> Subject: [GPSL] Wanted: Payload recovery team for GPSL
>
> Gang,
>
> I'm intending to reprise a launch of the payload we launched at Cornell
> a few weeks back.  It features a DTMF triggered secondary payload
> release (the last one was a little Cornell Big Red Bear) with Parachute
> and tracker.  We attempted to release it at 90,000 feet but our DTMF
> decoder didn't quite get the message.  A failsafe dropped the bear from
> 95,000 feet.  Unfortunately, the Bear got a little waterlogged prior to
> flight (it was drizzling rain) and fell faster than predicted right into
> Cayuga lake.  It's sleepin' with the fishes.
>
> I want to make another attempt with a, hopefully, better outcome. Since
> the dropped payload follows its own trajectory, I would need to have a
> second team attempt to recover that payload while I chase down the main
> payload package.  If anyone is free to chase the drop payload, I'd love
> the help.  It's not going to be especially valuable, just a tracker and
> some token item on a hand-made parachute, so I won't cry if it goes
> unrecovered.
>
> If interested, please let me know!
> Mike / KD2EAT
> Advisor, Amateur Radio Club at Cornell
>
>
>
>
>
>
>
>
>




Re: Wanted: Payload recovery team for GPSL

Garrett, Mark
 

Looks like my question got answered in later messages.  
If the operations are exclusively on 144.390 then possibly tailoring the parachute for a longer decent rate to get more reports might be beneficial to recovery.  Since steering winds are not as prevalent as they are in winter, it should still be in the general drop zone of the balloons around it.  How many hours of operation will the bear have with the APRS Peach tracker?

Mark 

On Mon, May 20, 2019 at 12:26 PM Garrett, Mark via Groups.Io <ma-garrett=wiu.edu@groups.io> wrote:
Michael:

Just catching up on emails after meeting you at Hamvention.  What kind of tracking device are you going with for the bear?  

On Sat, May 18, 2019 at 9:32 PM Michael Hojnowski <kd2eat@...> wrote:
Gang,

I'm intending to reprise a launch of the payload we launched at Cornell
a few weeks back.  It features a DTMF triggered secondary payload
release (the last one was a little Cornell Big Red Bear) with Parachute
and tracker.  We attempted to release it at 90,000 feet but our DTMF
decoder didn't quite get the message.  A failsafe dropped the bear from
95,000 feet.  Unfortunately, the Bear got a little waterlogged prior to
flight (it was drizzling rain) and fell faster than predicted right into
Cayuga lake.  It's sleepin' with the fishes.

I want to make another attempt with a, hopefully, better outcome. Since
the dropped payload follows its own trajectory, I would need to have a
second team attempt to recover that payload while I chase down the main
payload package.  If anyone is free to chase the drop payload, I'd love
the help.  It's not going to be especially valuable, just a tracker and
some token item on a hand-made parachute, so I won't cry if it goes
unrecovered.

If interested, please let me know!
Mike / KD2EAT
Advisor, Amateur Radio Club at Cornell






_._,_._,_



--
Mark Garrett KA9SZX

Video of the pico balloon race at the Dayton Hamvention

Bill Brown
 

Video of the launch of the four pico balloons for the Dayton Hamvention balloon race launched in high winds on Saturday. W8BI-11, W8BI-12, W8BI-13 and W5KUB-3. Astronaut Doug Wheelock launched W5KUB-3 which hit an RV and a power assisted liftoff on a power line which made for an exciting and dramatic launch. -Bill WB8ELK. https://www.youtube.com/watch?v=cNzckpCtZfI&feature=youtu.be&fbclid=IwAR0h6GOjH8CLm-iV6ZScn4GKTgJ39wFhSqiy6E_N0DLgT9Dd6YsdzSwVAUk


On May 19, 2019, at 6:03 PM, Hank Riley via Groups.Io <n1ltv@...> wrote:

A nice compact little squad of four pico balloons just passed Nantucket Island.   Traveling with speeds now in excess of 40 MPH.

W5KUB-3 trailing those of the Dayton Amateur Radio Association's trio of W8BI-11, W8BI-12, and W8BI-13.

KUB, BI-12, and BI-13 remarkably close together after the distance traveled so far.

 

Re: Wanted: Payload recovery team for GPSL

Garrett, Mark
 

Michael:

Just catching up on emails after meeting you at Hamvention.  What kind of tracking device are you going with for the bear?  

On Sat, May 18, 2019 at 9:32 PM Michael Hojnowski <kd2eat@...> wrote:
Gang,

I'm intending to reprise a launch of the payload we launched at Cornell
a few weeks back.  It features a DTMF triggered secondary payload
release (the last one was a little Cornell Big Red Bear) with Parachute
and tracker.  We attempted to release it at 90,000 feet but our DTMF
decoder didn't quite get the message.  A failsafe dropped the bear from
95,000 feet.  Unfortunately, the Bear got a little waterlogged prior to
flight (it was drizzling rain) and fell faster than predicted right into
Cayuga lake.  It's sleepin' with the fishes.

I want to make another attempt with a, hopefully, better outcome. Since
the dropped payload follows its own trajectory, I would need to have a
second team attempt to recover that payload while I chase down the main
payload package.  If anyone is free to chase the drop payload, I'd love
the help.  It's not going to be especially valuable, just a tracker and
some token item on a hand-made parachute, so I won't cry if it goes
unrecovered.

If interested, please let me know!
Mike / KD2EAT
Advisor, Amateur Radio Club at Cornell




--
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: Wanted: Payload recovery team for GPSL

Michael Hojnowski
 

Nick,

The flight will have three identical trackers.  They're all APRS "Peach" trackers, originally designed by Alan Adamson, W7QO, though built by me and some Cornell students.  They're running with 1/4 wave dipole antennas and measured at about 15mw.  I've flown 12 of my own payloads with these trackers, and assisted in a half dozen other flights with them.  I've never lost a flight using these trackers, aside from that last drop payload that ended up in a lake.   That said, they're 15mW.  It takes skill to track and recover them.  It's usually advisable to have someone near the predicted landing zone as it descends.  If they're in a tree, you'll hear them easily a mile away.  If they're on the ground, it could be 1/4 mile or less, depending on terrain.  On one recovery, I had to unsquelch my radio and listen for squawks and driving around doing crude "rdf" until they were loud and clear enough to decode.  I know I'm a whacko, but in my opinion, that adds to the fun and challenge of the payload fox hunt.  Since the payloads belong to me, I can take that chance.  For other groups, we usually supplement with a SPOT or something.

I'd prefer to chase my main payload, since it'll have hundreds of dollars of additional electronics on it.  I wouldn't want to put the "declared lost" responsibility on anyone but myself.  The drop payload I'm requesting help for will just be the stuffed animal with a tracker, which costs me about $50 to build.  If we can't find it, "oh well".  I'll spend more than that on gasoline on the chase day.

Anyway, the payload I'm requesting help for is simply a fun and silly little experiment.  No harm, no foul if lost, or if people aren't interested in chasing it.  I can always backtrack to look for it after my main payload recovery.

Mike

On 5/19/2019 9:46 AM, Nick wrote:
Mike,

When you say a "tracker" can we assume that includes a GPS, APRS processor like a TinyTrack3, a transmitter of some power (we chased a 50 mw transmitter once that was a giant waste of time), and a reasonable antenna and that the package has flown before and/or had a reasonable amount of testing?

Would you consider chasing and recovering the secondary and let another group chase and recovery the main payload?

Nick
EOSS

-----Original Message-----
From: GPSL@groups.io [mailto:GPSL@groups.io] On Behalf Of Michael Hojnowski
Sent: Saturday, May 18, 2019 20:33
To: GPSL@groups.io
Subject: [GPSL] Wanted: Payload recovery team for GPSL

Gang,

I'm intending to reprise a launch of the payload we launched at Cornell
a few weeks back. It features a DTMF triggered secondary payload
release (the last one was a little Cornell Big Red Bear) with Parachute
and tracker. We attempted to release it at 90,000 feet but our DTMF
decoder didn't quite get the message. A failsafe dropped the bear from
95,000 feet. Unfortunately, the Bear got a little waterlogged prior to
flight (it was drizzling rain) and fell faster than predicted right into
Cayuga lake. It's sleepin' with the fishes.

I want to make another attempt with a, hopefully, better outcome. Since
the dropped payload follows its own trajectory, I would need to have a
second team attempt to recover that payload while I chase down the main
payload package. If anyone is free to chase the drop payload, I'd love
the help. It's not going to be especially valuable, just a tracker and
some token item on a hand-made parachute, so I won't cry if it goes
unrecovered.

If interested, please let me know!
Mike / KD2EAT
Advisor, Amateur Radio Club at Cornell







Re: W5KUB-3 launched from Dayton passing slowly over Long Island at 11:51 AM EDT

Hank Riley
 

A nice compact little squad of four pico balloons just passed Nantucket Island.   Traveling with speeds now in excess of 40 MPH.

W5KUB-3 trailing those of the Dayton Amateur Radio Association's trio of W8BI-11, W8BI-12, and W8BI-13.

KUB, BI-12, and BI-13 remarkably close together after the distance traveled so far.

 

Re: W5KUB-3 launched from Dayton passing slowly over Long Island at 11:51 AM EDT

Hank Riley
 



Launched earlier this morning from Dayton.

W5KUB also doing live streaming high quality video/audio of Dayton at W5KUB.com





 

Re: WB8ELK on QSO Today

Christopher Rose
 

Never heard of QSO. Thanks



Sent from my Verizon, Samsung Galaxy smartphone

-------- Original message --------
From: "Mike, n0mpm" <morgamp52@...>
Date: 5/19/19 9:22 AM (GMT-05:00)
To: GPSL@groups.io
Subject: [GPSL] WB8ELK on QSO Today

Be sure to listen to the latest QSO Today podcast #250 for Bill Brown, WB8ELK.  Great hour interview on his journey in HAB..
www.qsotoday.com

73, mike

W5KUB-3 launched from Dayton passing slowly over Long Island at 11:51 AM EDT

Hank Riley
 

I guess it's a pico balloon.  Or it's a perfect floater.  Consistently been doing 30 MPH.  Lined up perfectly for a grand tour of Long Island.  Passed right over Manhattan with laser precision.

Launched earlier this morning from Dayton.

W5KUB also doing live streaming high quality video/audio at W5KUB.com


Inline image


 

Re: Wanted: Payload recovery team for GPSL

Nick
 

Mike,

When you say a "tracker" can we assume that includes a GPS, APRS processor like a TinyTrack3, a transmitter of some power (we chased a 50 mw transmitter once that was a giant waste of time), and a reasonable antenna and that the package has flown before and/or had a reasonable amount of testing?

Would you consider chasing and recovering the secondary and let another group chase and recovery the main payload?

Nick
EOSS

-----Original Message-----
From: GPSL@groups.io [mailto:GPSL@groups.io] On Behalf Of Michael Hojnowski
Sent: Saturday, May 18, 2019 20:33
To: GPSL@groups.io
Subject: [GPSL] Wanted: Payload recovery team for GPSL

Gang,

I'm intending to reprise a launch of the payload we launched at Cornell
a few weeks back. It features a DTMF triggered secondary payload
release (the last one was a little Cornell Big Red Bear) with Parachute
and tracker. We attempted to release it at 90,000 feet but our DTMF
decoder didn't quite get the message. A failsafe dropped the bear from
95,000 feet. Unfortunately, the Bear got a little waterlogged prior to
flight (it was drizzling rain) and fell faster than predicted right into
Cayuga lake. It's sleepin' with the fishes.

I want to make another attempt with a, hopefully, better outcome. Since
the dropped payload follows its own trajectory, I would need to have a
second team attempt to recover that payload while I chase down the main
payload package. If anyone is free to chase the drop payload, I'd love
the help. It's not going to be especially valuable, just a tracker and
some token item on a hand-made parachute, so I won't cry if it goes
unrecovered.

If interested, please let me know!
Mike / KD2EAT
Advisor, Amateur Radio Club at Cornell

WB8ELK on QSO Today

Mike, n0mpm
 

Be sure to listen to the latest QSO Today podcast #250 for Bill Brown, WB8ELK.  Great hour interview on his journey in HAB..
www.qsotoday.com

73, mike