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| Name & Callsign |
Comments |
| 189) |
vu3kod  |
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Location:
india |
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 Wednesday, 25 January 2012 11:17
hi John, vy gud site I ever seen. I like ur 1:1 Balun. I made one works fine. Hpe to catbh u on air.
73. Nik.
Vu3kod.
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| 188) |
KE6ZUZ |
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Location:
EL98jp |
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Sunday, 8 January 2012 01:29
Where are the details of the 572B HF Linear Amplifier?
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| 187) |
Michael J Talkington |
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Location:
Lost Creek, WV USA |
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Wednesday, 28 December 2011 21:08
I am building the 9:1 balun fron your webpage for my K9AY loop thanks for the balun info 73 de Mike N8FWD
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| 186) |
K2QB |
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Location:
Niagara Falls. NY |
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Thursday, 17 November 2011 12:40
Great site John. Gives me a few ideas for mine when I finally get around to building it. Very interedt in your UnUn 9:1 balun. What is the power handling capability ot it using that core and wire?
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| 185) |
Jim G4YEO |
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Location:
Denham, London |
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Wednesday, 16 November 2011 17:36
Nice web site, hope you dont mind if i put a link to it on my web site. Probably just a few students coming for a look.
73s from Jim
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| 184) |
John G7HIA |
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Location:
Devon |
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Monday, 14 November 2011 22:38
Nice one on the slim jim. Building one for receiving satellites on 2m
73 John g7hia
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| 183) |
RLPendergaast N5JYW |
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Location:
Wisconsin, USA |
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Tuesday, 8 November 2011 04:18
I like your site.
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| 182) |
Michael EI9HS |
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Location:
Dublin, Ireland |
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Saturday, 5 November 2011 05:40
Hi John, Great work on your website and thanks for making the info and calculators available. One thing which I believe you should do... Nowhere in your calculator or discussion of the Slim Jim do you mention G2BCX, Fred Judd, SK whose invention this is. It is traditional in radio to associate the design with the inventor and it would be nice to have the articles refer to the '2BCX Slim Jim'. My 2cents.
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Friday, 4 November 2011 20:40
Program for designing and printing the completed QSL-cards and labels. Printing directly from the print queue HRD Logbook, AALog, UR5EQF Log, ADIF-files. [ www.radiosoft.info]
I would be grateful if you put information on its website.
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| 180) |
Stephen adams K4STA/G0OMM |
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Location:
Lawrenceville GA |
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Sunday, 23 October 2011 22:40
Hello John,
Ex Brit Pat here from South London (Peckham) UK call G0OMM but now living in the USA in a city called Lawreceville Georgia South East part of the country. Now back in the hobby with the UK call of K4STA. 73 John De Steve K4STA/G0OMM
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| 179) |
Nick Scott G0FDM |
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Location:
IO93ne |
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Monday, 10 October 2011 22:52
Just built the Slim Jim for 4m and wanted to thank you for the excellent Slim Jim Antenna Calculator. Made it out of 13mm copper pipe and following your measurements within the mm the SWR was 1.5 acroos the band. Two small adjustments and its under 1.2.
Not sure how its working yet as 4m is a bit dead but always impressed with this design.
Nick
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| 178) |
VU3BEP |
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Location:
Mangalore |
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Wednesday, 28 September 2011 07:31
Despite i am not on the band these days, got to saw your page while browsing for inverter circuits. Superb and informative page with live updates of your staus. Hats off to you who is so innovative and enthusiastic. A rare gem of hams.
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| 177) |
Noz:5B4AIX |
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Location:
Paphos Cyprus |
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Tuesday, 27 September 2011 21:03
Very nice site, with useful information...will look out for John...73's
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Wednesday, 7 September 2011 18:23
Did your mic. mod on the FT-817 .
Works great ! i used a 560 nF for 1uF sounds to brown HI
TNX
vy 73
John PD7MAA
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| 175) |
JOHN GW0GIH |
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Location:
BRECON POWYS UK |
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Monday, 5 September 2011 19:55
LOOKING FORWARD TO HEARING FROM YOU OUT THYERE.73
JOHN 
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| 174) |
Alex Hansen |
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Monday, 15 August 2011 20:29
Please never give up!
King regards
Alex Hansen (mailto:alex@isurfer.de)
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| 173) |
Dave Merrill AA7IZ |
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Location:
Holladay, Utah USA |
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Sunday, 14 August 2011 04:23
Welcome to the Ham Radio Group on flickr.com (photo sharing by Yahoo!)
I believe your our 750th member!
Post Often we love seeing photos!
[ www.flickr.com]
I just love your website 73
de Dave AA7IZ
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| 172) |
Rick M0ZAV |
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Location:
Peterborough |
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Friday, 12 August 2011 08:49
Hi John
Just to let you know I have done the MH-31 mic mod. Just waiting to perform some on air tests. Will let yo know how I get on. Cheers for the advice
Rick
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| 171) |
Georges HB9EFN |
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Location:
geneva |
| |
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Tuesday, 2 August 2011 13:45
Built a Slim Jim for 70cm using your calculator.
Basic material is 4mm anodised aluminium rod 1m lenght from local hobby shop, a narrow plasic conduit box and dismantled electrician screw connector to attach in an adjustable way the N pigtail.
Compared with 1/4 wave home made groundplane.
The same repeater (HB9G)went from S2-S3 to S7-S8 . everything staying equal.
SWR of 1.5 after 20m of RG213 and a diamond triplexer. Joly good , makes me ponder about that M 160 GPX I have for 2m operation ??
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| 170) |
John GM0EMQ |
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Location:
Blackburn 9M NW of Aberdeen. |
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Saturday, 30 July 2011 21:30
Thanks for the very interesting 30 mins browsing your Web especially for the detailed instructions for the 9:1 unun.
Best 73 and hope to catch you on 40 sometime.
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| 169) |
MM6AHJ - Billy N |
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Location:
Glasgow |
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Saturday, 30 July 2011 14:00
Only just found my way to your front page at last, after loads of your stuff comes up as Google searches of mine :)
Brill site!
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| 168) |
Bert VE3NR |
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Location:
Toronto Canada |
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Friday, 29 July 2011 18:15
Hi John,
Thanks for the tip about modifying the Yaesu MH-31 mic. It works great and much better than with the old dynamic element. Sounds great too according to on the air reports.
I hope you're having fun with your new HF amp. Nice project! Congrats!!
73 Bert, VE3 No Refund
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| 167) |
Giorgos SV7BGQ |
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Location:
Greece Kavala |
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Sunday, 24 July 2011 15:21
Hi John Very good information and good site 73
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| 166) |
Yohan VE2HPY |
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Location:
Canada |
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Sunday, 17 July 2011 22:24
good 73 
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| 165) |
Alan G4MPV |
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Location:
Rotherham |
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Friday, 1 July 2011 11:10
Hi very good site
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