operating modes

NB6Zep Antenna and more - A modified EDZep for 20 meters, Yagi, Zepp Beam, Dual Dipole, Space Restricted 80 meter wires. Operating Bands: 40 thru 10 meters with tuner

1 EU 040 Ersoy - Turkish CB and HAM radio station operating from Rome. Mostly in Turkish with english summary.

Guernsey Amateur Radio Society - Home page of the Guernsey ARS, with info about operating in Guernsey, and an online callbook

3C5J / MW0BRO Martin - Website of Martin Lewis, 3C5J & MW0BRO, operating from an oil platform offshore Bioko Island, Equatorial Guinea

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

RM Italy  ^{updated  pop} - RM is an Italian company operating in the radio communication field since 1974, main products are: HF-CB-VHF-UHF-Dual Band Amplifier, Power Supply, DC-DC Converters Antennas and more

I5XWW Crispino Kits - Ham Radio Kits, soundcard interface for digimodes, usb CAT Interfaces, PA interface cables, connectors, DRM hardware and software, DRM converters

SIXily News - Six meter band portal with lots of dx informations and operating aids by IW9CER

Digital Signals Sounds - Several files with examples of sounds from digital radio modes on short wave. PSK, RTTY Hellschreiber MFSK FSK Sitor

EME resources by DL4EBY - Several kinds of operational data needed for Amateur Radio moonbounce (EME, earth moon earth) communications, the technical challenge amongst the various propagation modes on VHF, UHF and microwaves

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.

Safe Mobile Operations - Safety suggestions on operating and setting up amateur radio mobile station.

Ham Radio HF Digital modes - A complete overview of modern digital HF radio operating modes: PACTOR AMTOR GTOR CLOVER RTTY PSK31 HELLSCHREIBER PACKET MT63 MFSK16 THROB.

Yaesu 920 & SoundCard - This circuit provides an interface between the Yaesu 920 transceiver and IBM computer sound card which allows data transfer and control of PSK31, RTTY, KEYBOARD CW, and SSTV modes for Amateur Radio

WJ2V's Page - Dedicated to QRP radio building and operating.

SSTV Transmission Modes - General characteristics of SSTV transmission 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

WACARS  ^pop - The only ACARS software to feature in-line message decoding and aircraft tracking. ACARS Reception and Decoding Software For Windows

PolarPlot - Freeware antenna software that lets you see what the polar diagram of your rotatable beam actually looks like where it is operating. With PolarPlot you can measure the polar diagram of the antenna and check for abnormalities - compare plots taken before and after changes to the design or location - check the -3dB beamwidth - look at the front to back ratio - see the size and position of the sidelobes.

Stream - Stream is a software that implements MFSK16 and MFSK8 modes designed by me and Murray Greenman ZL1BPU. It also offers a series of experimental modes based on FEC, interleaving and several modulation techniques (PSK, QPSK, MSK, &c.).

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

WinConvers - Convers is a chat system (similar to IRC) operating using internet TCP/IP protocols on amateur packet radio and the internet.

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!

Zakanaka  ^pop - A digital mode decoding and terminal program that uses no terminal unit, terminal node controller, or multimode hardware. It does all its decoding using the sound card inside the computer, and it can interface with a radio using a COM port. Zakanaka is an extremely cost-effective way of operating PSK31 and RTTY