2m 70cm 6m 10m

VHF rubber duck Portable Antenna - You can make your own 2-meter "rubber duckies" that will likely perform much better than many commercial units.

17 elements 144 MHz Plus2 LFA Yagi Priority listing - No other 2M antenna comes close in performance to these Plus2 Yagis, commercial or otherwise.

19 elements Plus2 LFA Yagi for EME Priority listing - A Low-Noise Urban 19 element Plus2 LFA Yagi for 144MHz, check the VE7BQH list, no other 2M antenna comes close in performance. You can build it yourself for free

The Cobra antenna - This article explores the Cobra Junior linear loaded antenna for 80m to 10m bands. This antenna is a linear loaded dipole described by W4JOH in 73 magazine June 1997

Broadband Dipole 2MHz o 30MHz with no ATU - A broadband travelling wave dipole for HF bands, whose VSWR is less than 2:1 from 3 to 15 MHz and does not exceed 2.6 to 1 from 2.3 to at least 30 MHz

Halo stack for 70 cm on the cheap - An halo stack antenna for 70 cm by KR1ST

Hentenna for the 6m band - An Hentenna plan for six meters band

3MA triband mobile antenna - 3 band mobile antenna - 10m full size wave/4 whip - quick tilt-down system for 20 and 15 m loading coil change by IZ7DJR

Twoband-Antenna for HT - Homebrew a 2m/70cm portable or mobile whip antenna for your HT or mobile radio

144MHz omnidirectional antenna - A full wave 2-meter VHF omnidirectional antenna by ON6MU

14 Elements for 432 MHz - A 14 elemets yagi antenna for 432 MHz based on DK7ZB design

TACLog - Tac Log is a free input format log book for VHF/UHF/SHF contests. Where most other programs dictate the order and format of the input data during contesting, TACLog gives you freedom of operation, both on the air and on your computer. EDI format and Region 1 rules compliant.

Meteor Shower Calendar - This lists the major shower activity and is compiled from information available on the net

IC-781 vs IC-7800 - ICOM IC-781 vs IC-7800 a comparative study by KK5DR

80-10m Linear Amplifier - High-power 3-500 HF linear amplifier by Don Pinnock G3HVA

2 meters Power Amplifiers - Several 144 MHz Power Amplifier by YT1AR using GI7B GS31B GS35B GU34B

6M QRO - 500 W RF Power Amplifier for 50 MHz by KB0NLY

Homemade HF +50MHz Antenna tuner - HF/6M antenna tuner preselector and antenna switcher project by ON6MU

Mic Pre Ampllifier - A microphone preamplifier schematic for hand-helds by ON6MU

Connect a frequency counter to MFJ 9406 - Modification to connect a frequency counter to a MFJ-9406 50 MHz transceiver by ON6MU

Wavemeter for Two and 70cm - G8ACC article project for a 144 & 430 MHz wavemeter

QRP AM CW transmitter - A simple low-power broadcast-type circuit, using a crystal oscillator integrated circuit and an a collector modulated AM oscillator

2M to 10M receive converter - EI9GQ 144 to 28 MHz converter

Kenwood TH-215 TH-415 mods - Unfilter LF output from the TH215/415 kenwood portable radio

Condor 16 project by ON6MU - Project Condor16 VHF transceiver