rf amp circuits

Optimised Six-Metre Yagi - Design for a 5 element beam on a 23 foot boom with an unusual combination of performance characteristics

X-Bones Antennas Priority listing - 10 and 11 meter mobile DX and keydown antennas, radio and amp mods, pics, links, and much more.

WC2L Web Cluster - An AR-Cluster powered web interface to packet cluster by WC2L

Radio Club of thessaloniki - Club for Radio enthusiasts in Thessaloniki - Macedonia - Greece

Microwave audio samples - 10GHz Rainscatter audio files

Amateur Packet Radio Gateways - Amateur Packet Radio Gateways by dl1eis

scanningmetrorichmond.info - This site is supplied as a reference for those interested in monitoring radio communications in the Richmond,Chesterfield,Henrico areas.

BA-Electronics - Electronic components dealer stocking RF adapters and many other popular items.

MPE Calculator - Free RF exposure evaluation software for amateur radio

Beacon-Prediction Wizard Priority listing - Specialized interface for the communications-analysis-prediction engine provided by VOACAP, predicts the expected performance of high frequency, HF, radio systems

HamGrids - Windows application that will allow you to perform calculations with the popular Maidenhead Grid Square system. This grid system is used worldwide by amateur radio operators for many aspects of ham radio.

TCalc - TCalc+ analyses the Noise and intermodulation performance of radio receiver front-ends.

Ham Radio Deluxe Logbook - HRD Logbook v5 is a freeware windows logbook program that offer full control of your radio, Rotor control, support for many db engines, multiple logbook, dx cluster client interface, band maps and solar status report and audio recording

EchoStation - EchoStation is a commercial windows repeater-control program for Windows which makes it easy to set up a complete, fully-functional repeater or announcement machine using a personal computer. Demo version available

SDRMAXII - graphical user interface which communicates with QS1RServer.exe over three UDP ports. QS1RServer.exe controls the QS1R Versatile Radio Board (VERB), a Software Defined Radio developed and produced by Phil Covington

Freq 51 - Program samples the input, performs an FFT, and graphs the output

Analyzer2000  ^pop - Superfast analyzer for audio and radio signals

eQSO - Dedicated ham radio internet gateway and server system. It is intended for use by RF gateways and PC users connected to the internet

VoiceKeyExpress - Turns your PC's sound card into a powerful and versatile digital voice keyer. Commercial by n7qjp

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

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.

50 MHz GS35B 1500 Watt Amplifier - 50 MHz 1500 Watt Russian GS35B amplifier. Well documented. Complete construction details,pictures,schematics, and more.

K8CU Technical Topics - Well documented Amateur Radio HF/VHF antenna projects, high power Russian GS35B RF amplifiers, mobile RFI solutions, related accessories, vintage radios, Six meter equipment, and useful techniques by K8CU are inside.

Homebrew resources for wireless enthusiasts - PDF resources containing information on low cost ssb,am,cw circuits, which are useful for beginners.

Rtty interface (FSK/AFSK) with sound cards - "How to remove the so called ""ground loop"" and the reentry in the RTTY broadcast and make radio and PC happily coexist"