lightning protection off

Protection for Yagi elements - The following discussion about the Aluminum oxidization & protection of Yagi elements took place in the Moon-Net reflector.

Homebrew SGC SG-237 Control Box - A remote control box for the SG-237 that allow to turn on and off, check status the SGC tuner remotely by AA5TB

Free DXers Radio Group - Official website

CQ WW RTTY - Official web site of CQ World Wide RTTY Contest

3D20CR - Conway Reef Web Site - 3D20CR Official website of Conway Reef DX Pedition 2009

K4M Midway Isl. Official Web Site - Official web site of the K4M Midway Isl. 2009, 9 October to 19 October 2009

TY1MS Benin Official Web Site - TY1MS Benin 2009 DXPedition official web site

TX3A - Chesterfield Islands - TX3A Official web site of Chesterfield Islands dx pediition from Nov 23 to Dec 6, 2009.

Red Covered Bridge ARC - The official website of the Red Covered Bridge Amateur Radio Club of Princeton, Illinois

W1MMA Amateur Radio Club - With over 800 students, our campus offers several curriculas to fulfill the need for men and women in the maritime industry

Short Mountain Repeater Club - The Short Mountain Repeater Club (W4YXA) maintains an open repeater operating at 146.910 MHz using a negative offset (146.310 MHz). The repeater is located about 60 miles SSE of Nashville, Tennessee

RPF Communications - Innovative and fast growing radio communications accessory company in the UK. Station protection, monitoring and control products, Microphone splitters and headsets

Centerfire antenna - US Antenna manufacturer offering base and mobile antennas for 2 meter, 1.25 meter and 70 cm Amateur Radio GMRS and MURS Citizens Band Radio VHF and UHF Business Band Radio HF, VHF and UHF Scanning

ITU Map - Official ITU-R zone map at ITU Broadcasting services division

FT-817 DC Circuit Protection - A schematic for a DX circuit protection for the Yaesu FT-817, provides protection from the external power supply overvoltage by DL2LTO in german

About GAP HF Vertical Antennas - A review on current HF Vertical antenna models offered by GAP at euro-qso

Global Microwave Systems - GMS Inc. offers the latest in microwave communications equipment.

Vis Radio - Ham Radio dealer in Coffeeville, AL

Jaycar Electronics - Jaycar electronics offers electronic kits, components, semiconductors, enclosures, batteries, PMR, transceivers, UHF CB Antennas

Digital Master 780 - Digital Master 780 is a windows freeware multi-mode program which uses Ham Radio Deluxe for radio control. Support PSK, QPSK, Contestia, CW, DominoEx, Hell, MFSK, MT63, OLIVIA, RTTY, RTTYM, THROB and SSTV. Offer Logging functions.

Digital Oscilloscope and analyzer software - PC based mixed signal digital oscilloscope and analyzer software for BitScope. Runs on Windows, Linux or Mac OSX systems.

MSYS - Un-official home of MSYS the multi-user BBS program for Packet Radio. This software is available for free use by all licensed radio amateurs.

Ground Systems - Basic ground system functions, lightning and safety ground, RF return-path ground and induced ground currents

The Rock-Mite CW Kit - The Rock-Mite is a 40m CW kit offered by Small Wonder Labs . It features built-in keyer, direct conversion receiver with a crystal RF bandpass filter, 500 milliwatts of power, and switchable frequency offsets to work around QRM

Resolving 6 Meter Amateur Interference - Transmitting operations in the 50-54 MHz range offer some unique problems that over the past 50 years have stymied station owners, forcing them to tolerate quiet hours and hostility from family and neighbors attempting to enjoy other electronic services.