low power amp

Small Loop Antennas  ^pop - Experience and practical use of magnetic loop antennas, by N0HC

Double 5 / 8 Flower Pot Antenna - The Double 5/8 is a natural extension of the Single 5/8 and uses a 5/8λ element for both the top and bottom radiators.

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

DX For Me - DX Cluster  ^updated - DXCluster which will allow mobile usage. Now able to manage filter per bands and mode, and to save configuration for specific DX or special event stations.

Microwave audio samples - 10GHz Rainscatter audio files

VLF Natural Radio Discussion Group - Discussion group dedicated to those who enjoy monitoring radio frequencies in the VLF radio spectrum and slightly below the VLF spectrum (3-30 KHz).

MFSK16 Reference Documents - Performance Reports, Sound Samples and specifications of MFSK mode

K4SET, Soundcard Digital, MFSK - "MFSK and the SoundCard Digital Software Revolution"" by K4SET and WD4HVA"

Amateur Packet Radio Gateways - Amateur Packet Radio Gateways by dl1eis

Going Postal Ham Radio T-shirts Priority listing - Going Postal produces unique and colorful t-shirts using postage stamps featuring ham radio or electronics themes.

UI-Point 32 - Add-on for UI-View32 that allows you to plot APRS stations on Microsoft MapPoint 2002 maps.

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.

MacDSP - Digital filter for Macintosh computers with a PowerPC processor

MacPacSat - allows a Macintosh computer to communicate via packet radio with the amateur packet satellites currently in operation using the 'PACSAT' protocols

MRP40 Morse Decoder  ^{updated  pop} - Program to receive morse code via sound card, Windows 9x/Me/XP, it allows to transmit morse code from the keyboard. Includes a comfortable Audio Analyzer Display. Successor of known MRP37

SRL QuickSilver QS1R VERB - The QS1R VERB is the most advanced open source digital down conversion (DDC) receiver board on the market. It features a Linear Technologies LTC2208 16 bit, 130 MSPS Analog Digital Converter (ADC) and an Altera EP3C16 Cyclone III FPGA. Connectivity to the PC is through a high speed USB 2.0 interface. QS1R covers 15 kHz through 55 MHz in its standard configuration and can be used in undersampling applications to 300+ MHz.

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

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.

Convert a PC Power Supply - 13.8 V / 15 A from a PC Power Supply

BC210 Conversion for Noaa Satellites - Allow 137 Mhz range by Steve Warley