Date   

Re: Rain stops play

Robert Price <g8dtf@...>
 

Hi Richard
 
Well done on the new ODX. I had been a bit tied up in another project to get out yesterday. I have made a start on the preparation for the pump-up mast, which will mean I will be able to operate  from home more. I have made a sleeve for the sqare base of the mast out of UPVC cladding. I now need to dig a hole 1m square and 1.25m deep - then put concrete around the sleeve.
 
I have just been having a look at the weather forecast for next weekend (Cumulative) and there seems to be stable weather over the weekend. Hepburn is showing a good probability of tropo ducting over the weekend.
 
regards
 
Bob
G8DTF


From: Richard Newstead
To: ukmicrowaves@...
Sent: Monday, 25 May, 2009 22:32:41
Subject: [ukmicrowaves] Rain stops play

My plan for today was to make a top-loaded vertical for 500kHz and test it on a hilltop. I made an early start and thus when the rest of the family got up, they were treated to seeing me assembling the new aerial on the back lawn (a rather common sight here!). The aerial required some soldering and, while the iron was heating up, I idly switched the home 500kHz system on. Oh dear, the band was covered in static. Maybe 500kHz was a poor choice today after all. My fallback plan was to do some 2m SSB from a hilltop as DX-sherlock was showing a tropo opening into Scandinavia.

While packing up the aerial I though about the static crashes on 500kHz. It occurred to me that due to the daytime propagation on 500kHz that they must be from less than 1,000km away - probably a lot less. Thus I idly looked at the Met Office rain radar. I nearly fell off my chair when I saw a huge storm over SE England. All thoughts of 2m vanished. This looked like a 10G day instead.

I rapidly logged into KST and saw that DX was being worked from the SE of England and earlier that Gordon G0EWN had had some success. The storm history indicated that it might be useful for me shortly as it was moving north so I scrambled out with the 10G portable system. I had packed very quickly and as I drove into the hills I had the awful feeling that I must have forgotten something.

I soon set up and logged into KST. As I half expected, there was no DX reaching me at all. I hung about, did a few tests and in the end just worked Sam G4DDK and Neil G4BRK. A least it wasn't a wasted trip. I returned home, trimmed lawns etc.

In the early evening I again checked KST and saw an upsurge in activity. I noticed that John G4EAT had worked an OK portable at just over 900km on 10G and Rob M0DTS was out portable and had worked into Denmark. Of course neither of these events meant that there would be any propagation over here. A check of the rain radar showed a more encouraging picture with scattered storm cells. Then I had to decide whether to go portable for a second time or spend the evening watching the TV. For a moment I had a very rare enthusiasm failure. So many of these trips fail to yield anything. But 30 seconds later I decided yet again to pack and go. Five minutes afterwards I was in the car on the way out.

Light rain on the windscreen across the hills was not encouraging. My system is not suitable for wet weather. I arrived at my favourite local site and unpacked. It takes three minutes to set up the 10G portable system. The very first thing I do is power up the transverter so that by the time I have everything sorted out it is fairly stable.

I connected everything up and switched on the FT817. Immediately I heard a strong station calling CQ. I expected it to be Gordon G0EWN but it wasn't. It was Gerd DJ5BV at 59s. Somewhat excited, I dashed back to the car to find the keyer and paddle. For some reason I didn't actually expect Gerd to hear me but he did - first call. We easily completed for a new best DX for me at 688km. I could hear several other stations weakly but sadly no more DX contacts were made although I was heard briefly in France. I also contacted Rob M0DTS/p. Gerd was a huge signal for nearly an hour. At one stage he was so strong he was overloading the receiver and was audible on two frequencies.

Although I made just the one DX contact I was quite happy with the results given that my system is very small and low power (40cm dish and 1 Watt). Even 1,000km now looks quite possible on the right day!

It appears that 500kHz and 10G are quite a complimentary pairing of bands after all. If it is too noisy for 500kHz, 10G will probably be in good shape.

73

Richard
G3CWI



Re: Rain stops play

g0ewn191 <g0ewn191@...>
 

The 25th May certainly produced some interesting propagation. Well done Richard for sticking with it--operating /P is never easy, as those who do go portable will realise. Congrats on your new ODX 3cms.

Good conditions started to form the previous day and I worked stations on 23cms, including DK7QX JO42 and 3cms--PA2M JO21.

On the 25th I woke early and as things looked promising to check conditions. A number of 3cm beacons were 'end stop' including ON0RUG and DB0GHZ. GB3CAM was the strongest yet. Despite excellent conditions I only managed to work a couple of 23cm contacts. The summer months often produce good microwave conditions early in the morning---4.45am!! Only one station was around to test with on 3cms, OZ1FF; we worked at 539 both ways. After breakfast I left operating and, like Richard bussied myself with another 'project'; in my case a 5 element 6m yagi. (I had tested it the day before--first call with 2.5w from the trusty 817 produced EA1CJF via 'E' with the antenna resting on garden trellis just 2m over ground.Too easy!)

I had been watching the weather and knew of the storm system and possibilities for RS. Unfortunately for the early part of the day most of the potential scatterpoints were either too far or outside my azimuth window. However things looked more promising in the early evening. After listening for 30mins or so I located a scatterpoint scp and started to make contacts. For a change this included a number of French stations---normally difficult for this location. Gerd, DJ5BV was an excellent signal throughout the evening and must be one of the most active RS devotees around. The only problem was there were a number of scp's available at the same time. At one point the band was suffering qrm due perhaps a dozen or more people operating from the same scp in the 20kcs above .100 .

I was about to call a halt to operating when I heard a strong ssb sig --- it was Rob M0DTS who at times reached 59 with little if any RS distortion. My antenna was pointing S at the time--completely wrong direction for normal LOS to Rob.(6 degree elevation) Rob like Richard had gone /P on Rosedale in the N. York moors and like Richard Rob had been rewarded with a contact with Gerd.

Throughout the day the tropo signal from DB0GHZ was at 589 or better showing the N. Sea effect was also in place.

Gordon G0EWN


G4BAO 23cm LDMOS PA kit - update

g4bao
 

I have confirmed availability of a further 50 devices for the PA and they should be coming with the second batch of boards in mid June, so I can safely reopen the "interested" list.
Please email me off reflector to be added to the list and I will order a third batch of PCBs if necessary.

I have assembled the first 20 kits from the first batch of boards, and have emailed the first 20 people on the list. If you have enquired and have not been emailed, you are in the second batch.
 
See www.g4bao.com and June RadCom for details

I look forward to louder signals on 23cms soon!

73

John
-- 
G4BAO
QRV 23,3 and 1.2cm
Beacon keeper GB3CAM/24GHz
http://www.g4bao.com 


Re: Activity List for the First 5.7/10/24GHz Cumulative - Sunday 31st May 09:00-

Richard Newstead <g3cwi@...>
 

--- In ukmicrowaves@..., "M Vincent" <ukv@...> wrote:

Hi Tony et al
All being well, we'll be QRV this Sunday as follows:-

G3ZME/P. Location Brown Clee IO82QL.

Hi Martyn

Are you able to move your system on Brown Clee to work stations to the west and north west of you? I am considering suitable hills that will work for Tony. A possibility is Tal y Fan, 610m SH729727. This would not be a good direction from your normal spot on Brown though!

73

Richard
G3CWI


Re: Activity List for the First 5.7/10/24GHz Cumulative - Sunday 31st May 09:00-

Martyn G3UKV
 

Hi Tony et al
All being well, we'll be QRV this Sunday as follows:-
 
G3ZME/P. Location Brown Clee IO82QL.
5.7GHz, 10GHz, 24 GHz
Talkback 144.175 MHz (preferred) and KST (likely). Mobile phone 07932 927887
 
For 24 GHz, may also operate a second site if the activity warrants it - late afternoon.
 
73  Martyn G3UKV
 

----- Original Message -----
Sent: Monday, May 25, 2009 3:09 PM
Subject: [ukmicrowaves] Re: Activity List for the First 5.7/10/24GHz Cumulative - Sunday 31st May 09:00-

Hi,
I'm thinking of heading to Dublin again this Sunday, is there likely to be much activity?
I ask because its a 5-6 hour round trip!
Tony

--- In ukmicrowaves@yahoogroups.com, Dave Ackrill ...> wrote:
>
> Eddie G0EHV wrote:
> > Hello,
> >
> > Both Rob (M0DTS) and myself (G0EHV) will be out /P on Sunday.
>
> Not looking good for me I'm afraid to say.
>
> Having thought I might be OK, as we wont be having my grand-daughter
> over to stay that weekend, it's now less likely as my partners youngest
> daughter has decided to 'organise' a party for Kate's birthday (which is
> on Friday) involving various members of the family and Kate's
> Grandchildren coming to our place over the weekend.
>
> As with all of these sorts of chaotic events organised by someone else
> at short notice I'm now not sure what's going to happen on Sunday.
> However, I may persuade Kate that what she will want to do is have a lie
> in on Sunday to get over the events and I'll nip out for a few hours to
> play radio.
>
> However, it's likely to have to be a local spot and not a commanding
> altitude.
>
> I also hope to do a trial of the larger dish in the week on a trip for
> work up to Ayr, on Tuesday evening, and a place between Edinburgh and
> Glasgow on Wednesday evening if I can get the gear sorted out on Monday.
>
> Dave (G0DJA)
>


Re: Looking for Bob Platt G8OZP

Richard Newstead <g3cwi@...>
 

--- In ukmicrowaves@..., "Paul Bicknell" <paul@...> wrote:

If the interest is for Voice only then don't forget The Microwave >Society
(Glen Ross)

I think their info is in the files section of this group.

73

Richard
G3CWI


Re: Rain stops play

Julie & Stephen <stephen_hayman@...>
 

Best report I have read in a long time Richard,
 
And congrats on 688 km on 3cm....well done! I remember your posting at over 500km..
 
Your thread should have said " Rains starts play" on 3cm...
 
Lesson to be learn't here... stick with it or else the golden momments will be missed...hi
 
73 Steve ZL1TPH

--- On Tue, 26/5/09, Richard Newstead wrote:

From: Richard Newstead
Subject: [ukmicrowaves] Rain stops play
To: ukmicrowaves@...
Received: Tuesday, 26 May, 2009, 9:32 AM

My plan for today was to make a top-loaded vertical for 500kHz and test it on a hilltop. I made an early start and thus when the rest of the family got up, they were treated to seeing me assembling the new aerial on the back lawn (a rather common sight here!). The aerial required some soldering and, while the iron was heating up, I idly switched the home 500kHz system on. Oh dear, the band was covered in static. Maybe 500kHz was a poor choice today after all. My fallback plan was to do some 2m SSB from a hilltop as DX-sherlock was showing a tropo opening into Scandinavia.

While packing up the aerial I though about the static crashes on 500kHz. It occurred to me that due to the daytime propagation on 500kHz that they must be from less than 1,000km away - probably a lot less. Thus I idly looked at the Met Office rain radar. I nearly fell off my chair when I saw a huge storm over SE England. All thoughts of 2m vanished. This looked like a 10G day instead.

I rapidly logged into KST and saw that DX was being worked from the SE of England and earlier that Gordon G0EWN had had some success. The storm history indicated that it might be useful for me shortly as it was moving north so I scrambled out with the 10G portable system. I had packed very quickly and as I drove into the hills I had the awful feeling that I must have forgotten something.

I soon set up and logged into KST. As I half expected, there was no DX reaching me at all. I hung about, did a few tests and in the end just worked Sam G4DDK and Neil G4BRK. A least it wasn't a wasted trip. I returned home, trimmed lawns etc.

In the early evening I again checked KST and saw an upsurge in activity. I noticed that John G4EAT had worked an OK portable at just over 900km on 10G and Rob M0DTS was out portable and had worked into Denmark. Of course neither of these events meant that there would be any propagation over here. A check of the rain radar showed a more encouraging picture with scattered storm cells. Then I had to decide whether to go portable for a second time or spend the evening watching the TV. For a moment I had a very rare enthusiasm failure. So many of these trips fail to yield anything. But 30 seconds later I decided yet again to pack and go. Five minutes afterwards I was in the car on the way out.

Light rain on the windscreen across the hills was not encouraging. My system is not suitable for wet weather. I arrived at my favourite local site and unpacked. It takes three minutes to set up the 10G portable system. The very first thing I do is power up the transverter so that by the time I have everything sorted out it is fairly stable.

I connected everything up and switched on the FT817. Immediately I heard a strong station calling CQ. I expected it to be Gordon G0EWN but it wasn't. It was Gerd DJ5BV at 59s. Somewhat excited, I dashed back to the car to find the keyer and paddle. For some reason I didn't actually expect Gerd to hear me but he did - first call. We easily completed for a new best DX for me at 688km. I could hear several other stations weakly but sadly no more DX contacts were made although I was heard briefly in France. I also contacted Rob M0DTS/p. Gerd was a huge signal for nearly an hour. At one stage he was so strong he was overloading the receiver and was audible on two frequencies.

Although I made just the one DX contact I was quite happy with the results given that my system is very small and low power (40cm dish and 1 Watt). Even 1,000km now looks quite possible on the right day!

It appears that 500kHz and 10G are quite a complimentary pairing of bands after all. If it is too noisy for 500kHz, 10G will probably be in good shape.

73

Richard
G3CWI


Re: Looking for Bob Platt G8OZP

Paul G8KFW
 

Hi

There is a lot of interest in wide band 10 G

Is this for voice  or TV  or both ?

 

A request for information on gun mod 2 by Bob Platts  has been posted

 

For your information one of Bob’s first articles on the subject was in February 1988

In CQ-TV 141 this is available from the BATC web site or I can send it as it is to large to go on the file area

 

If the interest is for Voice only then don’t forget The Microwave Society  (Glen Ross)

Produced a set of PCB,s and these I think where designed by G6DCL and made by RAMAR

 

All the best  Paul G8KFW

 


From: ukmicrowaves@... [mailto:ukmicrowaves@...] On Behalf Of Matt
Sent: 25 May 2009 01:36
To: ukmicrowaves@...
Subject: [ukmicrowaves] Re: Looking for Bob Platt G8OZP

 





>
>2c. Re: Looking for Bob Platt G8OZP
> Posted by: "g8gtz" noel@noelandsally.net g8gtz
> Date: Sun May 24, 2009 1:36 am ((PDT))
>
>Hi,
>
>Apparantly Bob no longer does ATV components. However, I have a
>cicuit of the Gunmod 2 if it helps?
>
>73
>
>Noel - G8GTZ

Thanks Noel I'll take that off you. Please contact me off list so we
can organize it. mycall @arrl.net

> 2d. Re: Looking for Bob Platt G8OZP
> Posted by: "Dave Ackrill" dave.g0dja@tiscali.co.uk g0dja
> Date: Sun May 24, 2009 3:45 am ((PDT))
>
>g8gtz wrote:
>> Hi,
>>
>> Apparantly Bob no longer does ATV components. However, I have a
cicuit of the Gunmod 2 if it helps?
>
> Yes please, I have one old Gunn only Solfan in the garage which I might
> resurrect.
>
> Cheers - Dave (G0DJA)

Umm that's why I am asking around Dave... To replace what I
sold. Please don't start collecting what I was hunting for... (;

Matt -VK2DAG-


Rain stops play

Richard Newstead <g3cwi@...>
 

My plan for today was to make a top-loaded vertical for 500kHz and test it on a hilltop. I made an early start and thus when the rest of the family got up, they were treated to seeing me assembling the new aerial on the back lawn (a rather common sight here!). The aerial required some soldering and, while the iron was heating up, I idly switched the home 500kHz system on. Oh dear, the band was covered in static. Maybe 500kHz was a poor choice today after all. My fallback plan was to do some 2m SSB from a hilltop as DX-sherlock was showing a tropo opening into Scandinavia.

While packing up the aerial I though about the static crashes on 500kHz. It occurred to me that due to the daytime propagation on 500kHz that they must be from less than 1,000km away - probably a lot less. Thus I idly looked at the Met Office rain radar. I nearly fell off my chair when I saw a huge storm over SE England. All thoughts of 2m vanished. This looked like a 10G day instead.

I rapidly logged into KST and saw that DX was being worked from the SE of England and earlier that Gordon G0EWN had had some success. The storm history indicated that it might be useful for me shortly as it was moving north so I scrambled out with the 10G portable system. I had packed very quickly and as I drove into the hills I had the awful feeling that I must have forgotten something.

I soon set up and logged into KST. As I half expected, there was no DX reaching me at all. I hung about, did a few tests and in the end just worked Sam G4DDK and Neil G4BRK. A least it wasn't a wasted trip. I returned home, trimmed lawns etc.

In the early evening I again checked KST and saw an upsurge in activity. I noticed that John G4EAT had worked an OK portable at just over 900km on 10G and Rob M0DTS was out portable and had worked into Denmark. Of course neither of these events meant that there would be any propagation over here. A check of the rain radar showed a more encouraging picture with scattered storm cells. Then I had to decide whether to go portable for a second time or spend the evening watching the TV. For a moment I had a very rare enthusiasm failure. So many of these trips fail to yield anything. But 30 seconds later I decided yet again to pack and go. Five minutes afterwards I was in the car on the way out.

Light rain on the windscreen across the hills was not encouraging. My system is not suitable for wet weather. I arrived at my favourite local site and unpacked. It takes three minutes to set up the 10G portable system. The very first thing I do is power up the transverter so that by the time I have everything sorted out it is fairly stable.

I connected everything up and switched on the FT817. Immediately I heard a strong station calling CQ. I expected it to be Gordon G0EWN but it wasn't. It was Gerd DJ5BV at 59s. Somewhat excited, I dashed back to the car to find the keyer and paddle. For some reason I didn't actually expect Gerd to hear me but he did - first call. We easily completed for a new best DX for me at 688km. I could hear several other stations weakly but sadly no more DX contacts were made although I was heard briefly in France. I also contacted Rob M0DTS/p. Gerd was a huge signal for nearly an hour. At one stage he was so strong he was overloading the receiver and was audible on two frequencies.

Although I made just the one DX contact I was quite happy with the results given that my system is very small and low power (40cm dish and 1 Watt). Even 1,000km now looks quite possible on the right day!

It appears that 500kHz and 10G are quite a complimentary pairing of bands after all. If it is too noisy for 500kHz, 10G will probably be in good shape.

73

Richard
G3CWI


Re: New file uploaded to ukmicrowaves

Dave Ackrill <dave.g0dja@...>
 

Thank you for that Noel,

Much appreciated.

Dave (G0DJA)


Re: New file uploaded to ukmicrowaves

Dennis_G6YBC
 

Thanks Noel
 
73's Dennis G6YBC


From: "ukmicrowaves@..."
To: ukmicrowaves@...
Sent: Monday, 25 May, 2009 21:23:21
Subject: [ukmicrowaves] New file uploaded to ukmicrowaves


Hello,

This email message is a notification to let you know that
a file has been uploaded to the Files area of the ukmicrowaves
group.

File : /gunmod2 cct.zip
Uploaded by : g8gtz <noel@noelandsally. net>
Description : Bob Platt's Gunmod 2 cct and instructions

You can access this file at the URL:
http://groups. yahoo.com/ group/ukmicrowav es/files/ gunmod2%20cct. zip

To learn more about file sharing for your group, please visit:
http://help. yahoo.com/ l/us/yahoo/ groups/original/ members/web/ index.htmlfiles

Regards,

g8gtz <noel@noelandsally. net>




New file uploaded to ukmicrowaves

ukmicrowaves@...
 

Hello,

This email message is a notification to let you know that
a file has been uploaded to the Files area of the ukmicrowaves
group.

File : /gunmod2 cct.zip
Uploaded by : g8gtz <noel@...>
Description : Bob Platt's Gunmod 2 cct and instructions

You can access this file at the URL:
http://groups.yahoo.com/group/ukmicrowaves/files/gunmod2%20cct.zip

To learn more about file sharing for your group, please visit:
http://help.yahoo.com/l/us/yahoo/groups/original/members/web/index.htmlfiles

Regards,

g8gtz <noel@...>


Activity List for the First 5.7/10/24GHz Cumulative - Sunday 31st May 09:00-20:00 UTC

Steve Cooke <s.cooke375@...>
 

CALL : G6KIE/P + G1MPW/P

LOCATOR : JOOOAU

Bands + equipment
10GHZ ..... both stations 1 W .. 60cms dishes

24GHZ .....( With any luck ) 500mW .... 35cms dishes

Talkback ... 144.175MHz 100 W .... 8 element
+ KST

73 steve G1MPW


Re: Activity List for the First 5.7/10/24GHz Cumulative - Sunday 31st May 09:00-

Robert Price <g8dtf@...>
 

Hi Tony & Richard
 
I will be on Winter hill on Sunday and I would be happy to try and see if we can make it. I was looking at the path the other day and it looks like a sea path, just grazing the north coast of Anglsey. I will be on ON4KST and I will have low power (10W) 144.175 talkback.
 
Let me know roughly when you will be around.
 
Gear is Downeast Microwave transverter 1.8W to a 45cm dish with a penny feed arrangement.
 
regards
 
Bob

 


From: Richard Newstead
To: ukmicrowaves@...
Sent: Monday, 25 May, 2009 16:28:01
Subject: [ukmicrowaves] Re: Activity List for the First 5.7/10/24GHz Cumulative - Sunday 31st May 09:00-

--- In ukmicrowaves@ yahoogroups. com, "Tony Gallagher"
>is there likely to be much activity?

Hi Tony

Last year there were a few stations active although many might be too far to work under normal conditions. You should stand a chance with Bob on Winter Hill IO83ro/rp. If I am certain that you will be there I could perhaps go to Anglesey (Holyhead Mountain). That would be a very easy hop and would give you Wales (it would be a poor choice for my wider contest ambitions though!). If you did want to try with me it would have to be right at the start of the contest so that I could relocate to somewhere better later in the day.

73

Richard
G3CWI



IN53 diodes

Paul G8KFW
 

Hi all
Dues anyone have any IN53 diodes for disposal ( any polarity )
Looking for 3 of them
They look like small rifle shells and are used typically at 40 Ghz
as mixers Paul B UK


5.6/10/24GHz Cumulative 31 May

Christopher Bartram <cbartram@...>
 

Hello All

Weather willing, I plan to be out on 24GHz for a couple of hours right at the
beginning of the Contest from Mynydd Preseli.

Also depending on weather, but additionally on work and chores both indoors
and on our land, I hope to find time to temporarily modify the mount of my 2.4m
dish to enable me to get the beam down to the horizon. IF I can do that, later
in the day, I'll then be QRV on 10GHz tropo from home with a good receiver
:-) plus about 40W at the feed. The snag will be that the current dish site
gives a very limited horizon: probably only 30 - 85T. I'd like to see how well
that will work, as I've been considering moving the dish to a location on the
farm where I'd have a chance of covering a larger arc: maybe 350 - 110T.

Vy 73

Chris
GW4DGU (IO71SV)


Re: [SPAM] Re: Activity List for the First 5.7/10/24GHz Cumulative - Sunday 31st May 09:00-

Russ Stewart <g4pbp@...>
 

Tony Gallagher wrote:


Hi,
I'm thinking of heading to Dublin again this Sunday, is there likely to be much activity?
I ask because its a 5-6 hour round trip!
Tony

--- In ukmicrowaves@... <mailto:ukmicrowaves%40yahoogroups.com>, Dave Ackrill <dave.g0dja@...> wrote:

Eddie G0EHV wrote:
Hello,

Both Rob (M0DTS) and myself (G0EHV) will be out /P on Sunday.
Not looking good for me I'm afraid to say.

Having thought I might be OK, as we wont be having my grand-daughter
over to stay that weekend, it's now less likely as my partners youngest
daughter has decided to 'organise' a party for Kate's birthday
(which is
on Friday) involving various members of the family and Kate's
Grandchildren coming to our place over the weekend.

As with all of these sorts of chaotic events organised by someone else
at short notice I'm now not sure what's going to happen on Sunday.
However, I may persuade Kate that what she will want to do is have a
lie
in on Sunday to get over the events and I'll nip out for a few hours to
play radio.

However, it's likely to have to be a local spot and not a commanding
altitude.

I also hope to do a trial of the larger dish in the week on a trip for
work up to Ayr, on Tuesday evening, and a place between Edinburgh and
Glasgow on Wednesday evening if I can get the gear sorted out on Monday.

Dave (G0DJA)
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I will be about Tony


Re: Activity List for the First 5.7/10/24GHz Cumulative - Sunday 31st May 09:00-

Richard Newstead <g3cwi@...>
 

--- In ukmicrowaves@..., "Tony Gallagher"
is there likely to be much activity?
Hi Tony

Last year there were a few stations active although many might be too far to work under normal conditions. You should stand a chance with Bob on Winter Hill IO83ro/rp. If I am certain that you will be there I could perhaps go to Anglesey (Holyhead Mountain). That would be a very easy hop and would give you Wales (it would be a poor choice for my wider contest ambitions though!). If you did want to try with me it would have to be right at the start of the contest so that I could relocate to somewhere better later in the day.

73

Richard
G3CWI


W3MC19A TWT

G8ZHA <g8zha@...>
 

I have got a W3MC19A TWT for 10GHz on ebay at the moment. Does anyone have any specifications for the tube, as I am being asked
afew questions!
 
Rich


Re: FT790 replacement

g0ewn191 <g0ewn191@...>
 

Hi Noel, the FT 817 makes an ideal microwave IF radio. You can easily modify it to put a voltage on TX, output is easily adjustable for most transverters and with a key connected, it can be made to put out dashes for stations to find your signal.( Beacon mode). With front and rear antenna sockets you can either have two transverters connected at the same time or a transverter and talk back.

I have found the FT 817 very reliable--- I also use it for SOTA and am amazed at the number of times others mention excellent audio quality. The '817' is a fine replacement for the venerable '290-690- 790' series and so many are around they can often be purchased for very reasonable prices.

Best wishes, Gordon, G0EWN