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Technical and construction pages
  Web Link
  Link   PA0FRI QRO, antenna and mods page
Frits have described many interesting projects as power amplifiers with PL519s, antennas, ...
  Link   YU1EF antennas
Ljubisa Popa YU1EF has designed a huge collection HF, 6m, 4m and 2m band antennas. The main focus was put on obtaining an as low as possible isotropic temperature of the antennas and as much as possible gain for given boom length resulting in best po
  Link   6m / 4m interlaced yagi antenna YU7EF
Pop, YU7EF, published a design he had been working on for a "space saving antenna" for the 4m and 6m bands
  Link   Coil loading of an 80m Dipole for restricted space
Short, around 20m long dipole antenna for 80m band
  Link   W5QJR Antenna
Richard K5CNF has revisited an interesting antenna for 80m band. Simple construction for limited space
  Link   OZ2OE's low noise preamplifier for 432 MHz or 1296 MHz
Design of low noise preamplifier for 432 MHz or 1296 MHz using P-HEMT ATF-54143
  Link   'Patch' Feed for S-Band
This feed is a patch antenna for 2.4 GHz intended for use with a parabolic reflector dish
  Link   Homebrew EI9GQ
Portable Yagi for 144 MHz, HF Transceiver, Digital display and VFO stabiliser, a compact beam for 10M VK2ABQ/'Moxon Rectangle', transverters, converters and lot of more
  Link   ON6MU's Radioamateur Homebrew
Antennas, wireless, amplifiers, balun, tuners, power supplies, modems and soundcard interfaces
  Link   2m and 70cm preamplifiers
A collection of constructions 2m and 70cm preamplifiers
  Link   OZ2CPU Radio Amateur Electronics and Nixie Clocks
Construction of radioamateur accessories like lift systems, baluns, ATUs, bridges, transmitters, amplifiers, frequency counters,...
  Link   Digital elevation readout
This page shows you how i did build a simple but very accurate (0.3 degrees) elevation readout using a electronic spirit level
  Link   TVI filter VR2XMT
Quality TVI filter by VR2XMT
  Link   The GM4JJJ Home Page
Astronomy, Moonbounce (RF Sensing Bias Circuit for 8877 PA,144MHz XPOL Array Notes, 144MHz Antenna Elevation Systems, Cutting Phasing Lines to Length, The W1SL 144MHz Power Amplifier), Software for Palm and Macintosh
  Link   Notch filter for the two meter band, simply made from coax
Notch filter for 2m band constructed from coax
  Link   DJ9BV preamplifier
Construction and pictures of DJBV's preamplifier that built F5SOH
  Link   ND2X QRO collection
ND2X is a collector of many schematics of QRO power amplifiers
  Link   YU1AW projects and articles library
Dragan is known constructor of VHF power amps, low noise amplifiers and antennas. On his pages are not only his constructions but also many circuits from other constructors
  Link   DK7ZB
Amateurradio-Station DK7ZB. Martin is wellknown constructor of Yagi antennas
  Link   GM3SEK's Amateur Radio Technical Notebook
Ian GM3SEK is an editor of In Practice column in RadCom magazine. Here are circuits like RF Power Amplifiers, special VHF/UHF constructions and antennas. Of course, also some hints for EME
  Link   The W1GHZ Online Microwave Antenna Book
Paul is giving a lot of informations about Practical Antennas for microwave bands, Performance Enhancements, Antenna Measurement or Computer Analysis of Antennas
  Link   G4CQM's YAGI DESIGNS
Homebrew VHF Yagi for 50MHz, 144MHz, 432MHz, 1296MHz, 2320MHz. Based on the 'Direct Feed'. VHF/UHF/SHF Yagis have been carefully optimised with YO7 PRO from Brian Beezley (K6STI)
  Link   Numerical Electromagnetics Code NEC2 unofficial home page
His website gathers together NEC2 documentation and code examples
  Link   Computer models of antennas HF/VHF/UHF
Computer models of antennas HF/VHF/UHF (NEC+YO format)
  Link   K5OE's Home Brew Amateur Antennas
LEO Sat. Antennas, Portable Antennas, AO-10 Atennas, AO-40 Antennas and Homebrew hardware
  Link   Coffe Can Feed
A coffe can feed for 13 cm by Andreas, OE1DMB
  Link   Dishes and their feeds for amateur radio use
Dishes and their feeds for amateur radio use by Robert, W0LD covering a lot of patch and helix infos
 
DX World of Ham Radio
DX News / Choice Snippets of Info

XR5L - Isla Santa Maria, SA-070
  QRV between Jan 28 - Feb 4. QSL via CE6AMN. *Website above       


ARRL Amateur Radio News
The National Association of Amateur Radio

ARRL Headquarters Closed for Thanksgiving Holidays
ARRL Headquarters will be closed November 27 and 28 in observance of Thanksgiving. There will be no W1AW bulletins or code practice transmissions those days. The ARRL Letter will be published on Wednesday, November 26, but there will be no ARRL Audio News on Friday, November 28. ARRL Headquarters will reopen Monday, December 1 at 8 AM Eastern Standard Time. We wish everyone a safe and bountiful Thanksgiving holiday.

Global Emergency Network Marks Record
The Global ALE High Frequency Network (HFN) -- an international Amateur Radio Service organization of ham operators dedicated to emergency/relief radio communications -- has become the first network to operate continuously for more than 500 days on all international Amateur Radio shortwave bands simultaneously. According to HFN International ALE Coordinator Bonnie Crystal, KQ6XA, the main purpose of the Network is to provide efficient emergency and disaster relief communications to remote areas of the world. "Beginning with a core group of six North American radio operators in June 2007, HFN rapidly expanded to cover large areas of the planet with 24/7 digital communications," she said."HFN was designed to be an open framework for global Amateur Radio emergency services to interoperate on HF using the Automatic Link Establishment (ALE) system." Relying on ionospheric radio communications, interconnected HFN base stations scan the radio bands every 10 seconds, from 3.5 MHz-28.0 MHz. Through this Net, Crystal said, ham operators stay connected with each other at all hours of the day or night in any mode of operation, and can send Internet e-mail or cell phone mobile text messages from the field."

Section Manager Election Results Announced
There were nine Section Manager races this fall, four of which saw no opposition. Election ballots were counted and verified on Tuesday, November 18 at ARRL Headquarters for the remaining five races. Terms of office for these new Section Managers will begin on January 1, 2009.


Make More Miles on VHF
Make More Miles on VHF

Updated: 2008-11-19 at 12:27 UTC
More info at www.MMMonVHF.de

EA8/G4RGK
EA8/G4RGK will be QRV from Canary islands

ZD8B
Ernie, W1MRQ, is back now on 144 MHz as ZD8B from Ascension Island (II22TB)


Southgate Amateur Radio Club RSS Feed
A selection of circuits, tips, news and humour

South Africa to host 2011 IARU Region 1 Conference
Sun City in South Africa will host the next IARU Region 1 Conference in 2011

European Parliament members get Amateur Radio Year Planner
An Amateur Radio 2009 Year Planner has been sent to all Members of the European Parliament

Venezuelan Radio Station and an Amateur Radio website
Radio Ham Chip N2YO has had a lot of publicity for his Satellite Tracking website from a Venezuelan Radio Station and numerous Spanish Language Blogs


MØMCX
Amateur Radio Operator

160m SSB Club Calls Contest - November 2008
107 in the log. I’ve no idea what my score was since I used N1MM’s DX Serial Contest template to do the logging and the miscellaneous field for logging random text did a hopeless job of being able to edit long club names efficiently. The last time I entered this contest, my log was called into [...]

Waterproof PL259 connectors for Ecoflex
I’ve been lucky enough to purchase 100 meters of Ecoflex 15 recently and the solderless connectors are awesome. Available for Aircell 7 (RG213 replacement) and Ecoflex 10 (Westflex replacement) and this giant 15mm diameter stuff, once fitted they are completely waterproof. My experience with all these products started with me laying down a few runs for my [...]

SSB Field Day 2008 - M0XXT
2008 will go down as a wet year. Both VHF NFD and SSB FD was a soaking experience. Luckily, as with most close knit teams, we laughed it off and worked through it, however a tough act all the same. I didn’t take too many photos due to the extreme wet weather however I managed to [...]


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