diamond dp ch4

30 Meter Loop by N9MW - This antenna is an easy one day construction project. It was made out of common number 12 stranded electrical wire. Read more about SWR reports and home brewing details.

14 el 70 MHz Low Noise LFA Yagi - This is a true monster Yagi for the 4m band which has a 50Ohm feedpoint with wide band performance yet the gain and F/B of a low impedance Yagi.

Vertical antenna for 50 MHz - 5/8 vertical groundplane antenna for six meters band

Trap dipole for WARC bands - Diamond W8010 Multiband Dipole Modifications

HF BandPlan by RAC - Canadian HF Bandplan by RAC in pdf format

USA Amateur Radio HF Band Plan - PDF with USA Amateur radio HF band plan and common country prefixes updated in 2008 by Icom

Belgian UHF VHF Band Plan - VHF UHF Bandplan from UBA Belgium

VA3QV's Weblog - My view on the world of AMATEUR RADIO- "Rambling on" so to speak

VA3STL weblog - The station, equipment and contacts of amateur radio station VA3STL

IZ5BRW Riccardo - Weblog from Florence Italy, with personal infos and updates on his ham radio activity

KE2YK's Random Oscillations - Amateur radio news, events and other electronic stuff by KE2YK

W1REI Blog - W1REI / DU1LWQ amateur radio station blog from California

HERTZ -YU7ADY-Ada - Radio klub: Serbia

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

VE3VRW Macintosh Satellite Gateway - Listen to the Gateway Live on the internet Amateur Radio Operators in Southern Ontario and Western New York have been using the VE3VRW Satellite Gateway via the Toronto Area SSPBD Repeater System to make contacts on AO-27, UO-14, SO-67, Sunsat, SO-41, SO-50, Echo, Mir and ISS since it was first installed in 1997. MacDoppler tracks the FM UHF/VHF Amateur Radio satellites 24 hours a day, 7 days a week.

Drake TR-7 museum - Drake museum page dedicated to the TR-7 Transceiver

How to Measure Receiver Sensitivity - Testing an Elecraft K2 sensivity using a signal generator, headphones and an AC Voltmeter

Gap Titan dx SWR tests - GAP Titan DX Measurements of SWR report by WT5L

Avantiradio - Polish amateur radio dealer for Yaesu Icom Motorola Diamond MFJ Daiwa Lafayette

ROS ham radio modem - ROS Multimode software for Ham Radio Operators

Headphone amplifier - A headphones splitter box with amplification by Ian White, M0BXR

Using Band-Pass Filters - Clean Up Your Signals with Band-Pass Filters

Receiver Band-Pass Filters - Third-order Cauer filters can boost performance of multi-transmitter, multi-operator contest stations to the next level. The filters are practical and you don’t need expensive test equipment to align them.

Passive CW headphone filter  ^updated - This filter is a plug in adapter that has no batteries but gives very good performance by G8MNY

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