tube amp

VK5BR 20-40 Metre EH Antennas  ^pop - How to construct a very small but efficient Antenna with PVC Plumbing tube and discarded fruit cans. - Just the thing to fit in a small space such as the house attic

EH antennas and CFA antenna - Many antennas function because of common mode currents, rather than working in spite of them. Two popular examples are CFA and EH antennas. Another recent example, appearing in Antennex's compact antenna articles, is a thick stub "vertical" with no counterpoise.

OH7SV Matti Hohtola Ham Projects  ^pop - The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO, 50 ohm to 200 ohm HF wide band transformers, Wilkinson splitter for RX measurements, Windom baluns 2001/2004, Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver

Charlie's CQ Room - Ham radio site devoted to classic collectible amateur and military radios, featuring vintage ham radio color photos and commentary, free downloadable manuals and pamphlets and links for ham radio hobbyists.

Multi-Elmac - THE MULTI-ELMAC AF-67 Trans-Citer is a ten-tube variable frequency or crystal controlled seven band transmitter.

RX3ANF Russian boatanchors - Boatanchors in Russia. Old tube radiosets.

Rec.radio.amateur.boatanchors FAQ - Frequently Asked Questions - about vintage tube-type ham radio and communications equipment

Vintage Radios - Purveyor and Collector of Antique/Vintage Radios, Valves (Tubes) and Service Data for many radios. Alba Bush Champion Cossor Dansette Decca Defiant Eddystone Ekco Emerson Etronic Eveready Ferguson Ferranti GEC Grundig HMV Invicta Kolster-Brandes Lissen Marconi Masteradio McMichael Mullard Murphy Pam Perdio Philco Philips Pilot Pye Regentone RGD Roberts Sobell Sony Stella Strad Ultra Vidor

The Old Tube Radio Network - The Old Tube Radio Network is dedicated to those real, American-Made, Old Tube CB Radios

Omega electronics - Omega Electronics International is the source for Ameritron linear amplifiers as well as other amateur related products and repair service

W6BHZ - Cal Poly Amateur Radio Club - The California Polytechnic State University Amateur (Ham) Radio Club (CPARC) has a long tradition of communications service on campus and in the community of San Luis Obispo. The club was founded in 1947, making the Cal Poly Amateur Radio Club the second oldest club on campus

The Clovis Amateur Radio Pioneers - Clovis, CA USA - The Clovis Amateur Radio Pioneers is a non-profit Amateur Radio Club located in Clovis, California

Saddleback Repeater Association - Southeast New Hampshire W1SRA / 147.000Mhz / Negative Offset / 100.0 PL Tone Welcome to the Sunday Night Net each Sunday evening at 8:00 PM.

Hampton Road's Emergency Services - STPD, VDOT Mutual Aid/Airport Fire, Hospital to Ambulance COR by www.hrconnect.com

Telstar Electronics - Makers of VoiceMax Transceiver Speech Processor. Linear amplifier production has been discontinued.

Polish radio direction finding - IARU region 1 RD championship

Southern California Repeater Lists - The most up-to-date listing of VHF/UHF amateur repeater stations operating in Southern California.

WinAmp Railroad stream - Southcast railroad radio streaming

Myottes Scanner frequencies Northeastern states Plus - Maryland,Massachusetts,New Hampshire scanner frequencies by County

Ham Radio Repair - N4DA - - The Radio Doctor provides complete repair services for all major brands of HF Transceivers and HF Amplifiers, including vintage radios GA USA

MOSFET amplifier for 80 mt.  ^pop - Picture index of 150W MOSFET linear amplifier for 80m 1996, includes photos and schematics

RF and Microwate Power Amplifiers - RF and Microwave Power Amplifier and Transmitter Technologies, amplifierlinearity, efficiency and available RF power devices.

50Mhz amplifier GS35b by OZ1DPR - A 6 meters band amplifier width schematics

WV7U.com - Hank's Amp Pages - WV7U's YC156 and 3CPX800 amplifier projects. Everything you wanted to know about using the YC156 or 3CPX800 in a ham radio linear amplifier. See pictures, schematics, test data, links, and more!

Receive only processing equipment - One of our most popular products, receiving preamplifiers are used for achieving top signal band performance in competition operating, low noise longwave reception, repeater applications into the UHF region, or lab use