Welcome. I passed my Foundation exam and got the callsign M3UKD on 4th Jan 2007. After operating as a Foundation Licencee for six months, I then took the Intermediate exam and passed in June 2007, and got the call 2EØUKD. I then took the advanced exam on 10th December 2007, and got the results on the 21st. Fortunately, I passed, and got the callsign MØUKD on 21st December 2007. I run an Icom IC-7400 from home, on 2m, and HF. Antennas are a Diamond X-300 mounted about 11 metres above ground for VHF/UHF, and a homemade carolina windom outside on HF. I also run 2 metres mobile with a Yaesu FT-2200, and portable with a Yaesu VX-7R, IC-706MKIIG or an FT-817ND. Thanks for visiting! John.
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| Name & Callsign |
Comments |
| 64) |
Rompetechos |
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 Thursday, 18 June 2009 13:53
Very good site, but if you only put the photos of the longwiire 9:1 balun, without the electronic diagram, I think nobody will be able to build one.
73's
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| 63) |
SimonGough  |
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Location:
Poole, Dorset |
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Tuesday, 16 June 2009 13:28
Hi,
First of all may I say this is a great web page. I was wondering if you could send me a circuit diagram of the 1:1 balun. I've tried working one out from the photo but not had much luck. I'm building a fan dipole in my loft and would like to use your balun design to match it.
Thanks very much.
73's
Simon
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| 62) |
Rob Hall 2E0RBY |
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Location:
IO94df |
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Saturday, 13 June 2009 10:00
Hi,
This is a great website. I too am into making kit wherever possible (I've saved a fortune and learnt even more!) and this site is an inspiration for those of us who aren't just rig-in-a-box fanatics. And cheapskates :) Keep up the great work. 73
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| 61) |
CT2HOM Alberto |
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Location:
vila do conde Portugal |
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Tuesday, 9 June 2009 01:17
Compliments for your web_page and also for all experiences you have donne with homemade antennas very interesting
....
if you allow me I'm go to translate into Portuguese the data from aerial carolina for a friend
Best 73's 
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| 60) |
VE6CMV |
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Location:
Cold Lake, AB |
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Thursday, 4 June 2009 13:49
One of the best information pages i have come across. Pictures of your projects are very clear and easy to understand, keep up the good work. Thank you.
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| 59) |
tom n5tcg |
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Location:
flower mound, texas |
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Tuesday, 19 May 2009 02:48
great website.
73
n5tcg
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| 58) |
Takis - sv6czq |
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Thursday, 14 May 2009 20:18
Congratulations on your page. Introductory very young and especially for those who do not know how to translate from a construction project.
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| 57) |
John Black 2E0JDB |
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Location:
King's Lynn Norfolk |
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Wednesday, 29 April 2009 21:07
Hi John - could you please give details of balun for 1090MHz for AIRNAV Radar Box, I have obtained the calculations from your Slim Jim. I have been advised that physical dimensions woul be tiny. Comments please.
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| 56) |
Oliver |
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Monday, 20 April 2009 12:51
I really like the hombrew part of your page, but at the 2m amp page I miss a note/schematic about the necessary low pass filter at the amp output! This could lead some guys to unintentionally transmit a lot of harmonics...
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| 55) |
d82hei (CB/PR) |
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Location:
JN58QD |
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Friday, 17 April 2009 21:41
Hi,
I just(19:50 UTC)heard You on 40m S4R4
JN58QD 10 miles west of munich, bavaria.
Vy 73 de Heiko
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| 54) |
Clive 2E0BSL |
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Location:
Catford |
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Monday, 13 April 2009 08:24
Very well put together Website. Ive made the Slim jim for 4m and Unun and I recommend the site to people all the time. Good to see such a decent collection of info.
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| 53) |
Mike Maciel CU3AAF |
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Location:
Azores Islands |
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Friday, 10 April 2009 13:40
Nice looking website, really enjoyed it...
Keep up the great work!!
73's
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| 52) |
Tony m0cvc |
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Location:
Stockport |
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Thursday, 9 April 2009 11:27
A very interesting site and very well designed
Cheers TONY MOCVC 
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| 51) |
Derek G4WXN |
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Location:
East Anglia |
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Thursday, 9 April 2009 08:26
I used your slim Jim calculator.
Made a Slim Jim from some old glass fibre tent poles, lashed into the correct form with tie wraps (zip ties) and hot glue. I used the earth from flat twin and earth mains cable as the element. I was totally convinced it would fail. I rigged the whole contraption up on a glass fibre pole held upright in my Black and Decker workmate, in the back yard. VSWR of 1.4 or LESS across the entire 2mtr band. Worked GB3NB and GB3EA repeaters with strong reports from both. Working on a 70cms version now.
Many thanks.
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| 50) |
Derek G4WXN |
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Location:
East Anglia |
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Friday, 3 April 2009 10:10
Good site, the Slim Jim info is very useful, sure I could have found it elsewhere, but never see a calculator for it. Probably knocking on together this weekend, so a timely find.
all the best
Derek
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| 49) |
Gordon GM4FEO |
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Location:
Crianlarich Perthshire |
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Friday, 6 March 2009 19:31
Very informative website.
Slim Jim info very usefull
Thanks
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| 48) |
Bob Aldrich, N9RLA |
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Location:
Monticello, Indiana USA |
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Wednesday, 4 March 2009 22:41
Could you possibly tell me what type of ferrite rod your line isolator is made of? There are many types such as type 33, 61, 64 and 77. I'm planning on making the Carolina Windom and want to make sure it build it as designed. Thanks for any feedback you can provide.
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| 47) |
Bob Aldrich, N9RLA |
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Location:
Monticello, Indiana, USA |
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Monday, 2 March 2009 14:57
Great site and very informative! Keep up the good work.
73
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| 46) |
DG7NBG |
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Location:
Germany/ South near Nürnberg |
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Saturday, 28 February 2009 15:47
Hallo,dear OM, a nice site.
Please can you help me?I have a problem with my Microwave Modules 144/100 LS.
In your page i have seen the same type.
Can you send me a foto or ar simple drawing of the cables to the switches.
(from what pin to what switchpin)
Thank you DG7NBG
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Wednesday, 25 February 2009 11:42
very nice this website friend... Congratulations!
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| 44) |
Bob Gitzen |
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Location:
Concord, California |
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Friday, 13 February 2009 23:58
Thanks for the Slim Jim calculator. I made one to receive FM radio and I wonder if I could ask about feed placement. As you can see from the pics it's #8 copper mounted on a sheet ABS former (pic shows cable ties before cutting). It' about 44.5 wide and 2234.6 mm long (98 MHz), and it lives in the pictured 2 inch PVC tower. Could you give me a best guess on feed placement for 75 ohms, or is it anyone's guess?
Bob G.
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| 43) |
WB6JSB Thomas |
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Location:
Northern California |
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Wednesday, 11 February 2009 23:25
Hi John, enjoyed your site. Some good info. Do you like your Windom Antenna? My antennas are 1/4 wave verticals on 80, 40, and 20 which loads on 17, and 15 mtrs. Also vert for 2 mtrs. I like verticals. Been ham since 1963. Have fun and again, nice web site. God Bless, Thomas
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| 42) |
Wolfgang DO4WD |
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Location:
Germany JN48QT |
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Monday, 9 February 2009 09:40
I also own a 'vintage' Toyo T-435 Watt Meter. And I love it also! But for calibration I need the schematic of this nice device. Who can help me? Best 73 de Wolfgang DO4WD
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| 41) |
Hugh M0ACF |
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Location:
Cambridgeshire |
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Saturday, 7 February 2009 18:19
Hi John,very interesting articles, I have been looking for baluns etc for a Windom, what sort of power have you used with your 4:1 balun and where do you get your 1/2 inch ferrite rod from?
Will be visiting again.
Cheers, Hugh.
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| 40) |
Pedro Almeida |
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Location:
Esposende , Portugal |
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Saturday, 7 February 2009 01:41
hi there my friend .
great page, i have made you 144MHz amplifier and works fine.
73
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