o2a pll channel mod

Tango Echo DX Group - Thames Estuary DX Group based in SE England. Mods, links and radio contests throughout the year.

K0JD's Ham Homebrew Pages - K0JD's home construction projects, featuring the R2/T2 modules by KK7B

MM0BQM Priority listing - MM0BQM Homepage, lots of info on most soundcard data modes plus received SSTV picture gallery.

F5SOH Laurent - Packet with Linux, homebrew, Talco mods. in French

KD4IMU Ernest - Contains radio modification information. Frequencies for scanner users, and links to major callsign servers.

Hal Communications - HF radio data communications products, analog and DSP modems

YAM Modem - YAM is a multi-standard modem capable of AFSK 1200 bps and Manchester-FSK 2400 bps operations.

Kemo Electronics - Electronic kits, modules, devices and cases, transformer, boards, electronic accessories

Autek Research - Autek Research make three models of RF Analysts, power and swr meters

MT63 HF mode - MT63 is a DSP based advanced HF mode for Amateur Radio, intended to provide high performance keyboard - to - keyboard conversational operation on HF bands under poor conditions

Hellschreiber beacon project - This web site describes a low power beacon system to be used for propagation and performance tests on the lower bands. The beacon offers CW (on-off keyed) modes and FSK modes; the traditional Morse ID mode, and Feld-Hell, another highly noise immune CW mode.

ST2NH Nader - Many satellites homebrew projects from the sudanese amateur radio station ST2NH active on satellites, ISS, HF phone and digital modes.

E-layer & Sporadic-E - Two modes of propagation at 50MHz E-layer & Sporadic-E by Ken G4IGO

Sunspots explained - History, activity, glossary and modern reseach about suspots

FT-950 mod - expand TX - Yaesu FT-950 MARS/CAP extend transmission to 1.8-30Mhz and 50-54Mhz.

ASAP - A Free general purpose antenna analysis user-oriented software program for numerical electromagnetic antenna design, antenna modeling and antenna analysis.

MixW V3  ^{updated  pop} Priority listing - PSK31, RTTY, SSTV, MFSK, MT63 Olivia Hellschreiber SSTV and other modes, Log, DXCluster, telnet access, log backup, Rotor, CAT and whatever you dream in a single program

Embaycom 2.1 - Baycom modem emulator, EMBAYCOM.ZIP for HF 300 baud Packet EM1200M2.COM - for 1200 VHF Packet Tested with BAYCOM-soft v1.5 and 1.6

WinTFS - TNC virtual phone modem driver for windows 95, known also as TFSlip95

AGW Packet Driver - SV2AGW packet radio driver, runs TCP/IP protocol over radio, support windows 95/98/NT and several devices like baycom and, E5DXL 9600 G3RUH compatible modems, DRSI and Sound cards by SV2AGW George Rossopoulos.

SkySweeper - Provides most advanced digital signal processing (DSP) functions to be used together with your HF receiver. All signal processing is done in your PC and no extra hardware is needed. HF/VHF rx & tx and analysis software introducing free advanced SkyBoost and MFSK16 modes!

RemIcom-B - Freeware RemIcom-B is a very simple ICOM remote program. Display of current frequency, mode and filter ITU HF Band assignment (ITU Region 1, 2 and 3 selectable) HAM HF Band usage analog frequency band display

PLL2 - 2nd Order phase locked loop design for passive and active circuits. Bode plot, step response, design parameters

AAVoice digital voice processor Priority listing - "Digital voice processor for amateur radio operators. It use prepared ""wav""-files for transmition. Can work in the beacon mode. Optionally you can use simple circuit for PTT-control. It has a lot macros for tramsmitting. Can cooperate with RZ4AG AALog logger."

Multi-fax Priority listing - Weather demodulator software, cards and antennas.