roger beep schematic

How antenna traps work - An interesting article about homebrewing antenna traps for multiband antennas by VE3GK

Radio Era Archives - REA offers a wide variety of items for antique radio. We have schematics, old books, reference data, historical information in paper copy form or on CD-ROM.

Mauritron Technical Services - Service Manuals & Schematics, supplied for most types of equipment, Audio, TV, Video, Test and Ham Radio

Antique Radio Schematics - Specializes in antique radio schematics, circuit diagrams and service data for vintage tube radios. Carries information for American, Canadian and European antique radios.

21 DT 163 Roger - SSTV, pictures, home brew from sweden

IOTA Manager's Website Priority listing - Roger Balister, G3KMA, RSGB IOTA Manager -monthly newsletters giving latest IOTA information including updates on IOTA Directory, recent operations and useful links.

Canada's Radio Community - Filled with info about Ham radio and frequency listings as well as great links.

Amateur Packet Radio Networking - Packet Radio Networking Information by CQ Magazine Packet Editor Buck Rogers, K4ABT

Orion Downloads - Download Ten tec Orion firmware, schematic, manuals, documentation

WinPack  ^pop - Popular ham radio packet windows application. By G4IDE (RIP)

WV7U - Hank's Amp Pages - WV7U YC156 and 3CPX800 amplifier projects. See pictures, schematics, test data, links, and more!

600 Watt HF Amplifier  ^pop - Schematics plans by K9GDT and all infos to build a 600 Watt HF Amplifier

100W HF QRO linear amplifier - Based on Motorola MRF454, schematics and component list

1.5 to 30 Mhz RF Amplifier  ^pop - This high range amplifier is very small [SB200 size] Vacuum variable input and output caps as well input and output switching.

Schematic Database  ^{updated  pop} Priority listing - Schematic database for HAM Radios and CB Radios

Galaxy radio mods  ^pop - Galaxy web site updates and additions with modifications, diagrams, and schematics for galaxy radios

ICOM CI-V Interface schematic - G3VFP schematic for the ICOM CI-V interface with PTT and CW Keying

TVI and BCI Filters - TVI and BCI bandpass and bandstop filters in SMD technique. Schematics and images.

SSB and CW Filter - A pdf file with schematics of an ssb and cw filter AF amplifier

Krasnodar - radio schematics - Contain schematic diagram of many different radio, and some operations instructions.

The G8TTI homebrews - Home made transverters blockschematics two metre HB9CV, 144MHz SSB Transceiver

27Cxx Eprom programmer and KissEprom - Simple eprom programmer for 27Cxx family , used in TNC and G3ruh modem, eprom tutorial, schematics and KissEprom software for windows by iz7ath

Homebrew radio receiver  ^pop - Detailed plans of my homebrew receiver. Frequency coverage is from below 300kHz to 30MHz. Pictures, schematics, board layouts, parts lists and more can be found here.

PTT and Sound Card Interface - PTT and soundcard interface schematic by ON6MU

50 MHz Transverter idea - Complete 144/50 MHz transverter with GaAs Fet LNA and 400 mW out. No printed circuit board. Schematics and images by Christoph Petermann DF9CY