tube amp

2 meter slim jim copper tubing antenna - 2 meters copper tube antenna, tested with an Icom IC-V8000

PA0IB Magnetic Loop antennas - Nice photos of two home made magnetic loop antennas assembling details, covering 3.5 MHz to 10.2 MHz and 11.9 MHz to 32 MHz

Tubes photo gallery - Extensive tubes photogallery by df6na

YU1DO Zoran Simic - YU1DO Personal web presentation

DF6NA : EME Audio Examples - Lots of EME audio recordings

DF6NA : VHF Audio Examples - Sporadic E, meteor scatter, 70cm 23cm and 10Ghz audio recordings in various modes

Beacon Audio Examples - VHF Beacons audio recordings

Convert PC Power Supplies for use by Ham Radio - PC power supply conversion for ham radio use. Slide show overview showing how convert PC Power supplies to ham radio use presented at the August 2007 FSARC meeting.

RF Electronics - 500 W, KW and 6M ham radio amplifier kits for export

Alpha Linear Amplifiers  ^pop - RF Concepts manufacturer of Alpha Linear Amplifiers, amateur radio RF power amplifiers, commercial power amplifiers, power meters and dummy loads.

2006 US ARDF Championships - April 8-9, 2006 USA ARDF Championships

HRX80 80 meters receivers for APRS - 80-meter peilontvanger / receiver includes printed circuit sample and list of components

Ardf IARU Region II - The IARU Region II ARDF Working Group defines the official rules for ARDF in IARU Region II, organizes the IARU Region II ARDF Championships, and supports the growth of the sport throughout the region.

Unusual HF Propagation Phenomena - This page has a collection of audio samples from unusual HF propagation phenomena, from round-the-world propagation to moonbounced signals , and to ducted transmission.

PTT line interface for ICOM IC-706 family - Interfacing tips for ICOM IC-706MKII transceiver with a Collins 30L-1 linear amplifier

Automatic Amplifier Selection - Automatic Amplifier Selection for the ICOM IC-746, 736 and 706MKII Transceivers.

N1eu FTt-1000MP abd Acom 2000A - Connecting the FT-1000MP to Acom 2000A or other QSK Amp

Qsk keying for yaesu radios - QSK amplifier keying circuit for Yaesu FT-1000MP, FT-1000MP Mk-V, FT-1000/1000D and FT-920

Yaesu VL-1000 amplifier - The Yaesu VL-1000 Quadra HF Linear amplifier

N4ATS.com - N4ATS - Devoted to the Yaesu FL-7000 Amplifier. I have been rebuilding, repairing, and applying modifications to the Yaesu FL-7000 amplifier for 15 years. Over 200 units completed and counting!

Ham Gear - Ham Radio T-Shirts, Caps, Mousepads, also vintage designs! Designs include logos from Amperex, Collins, Eico, Eimac, Gonset, Hallicrafters, Hammarlund, Heathkit, Johnson, Knight, Mars, National, Swan, Skywarn and others.

The hunter six amplifier review - Review by Clive Davies, G4FV

Computer headset interface for icom ic-718 - KR1ST computer headset interface for Icom IC-718

The smk-1 on 20m - Taking the venerable SMK-1 design to 20m and adding an RF amp, audio filter, and a TiCK Keyer ... by Wayne McFee, NB6M

Amperion Inc BPL tests - Amperion Inc. issued an announcement that it has successfully tested its broadband powerline (BPL) technology over high-voltage, 69,000-volt transmission lines.