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160-meters antenna problems and solutions - Bill Orr W6SAI ham radio techniques. Improving ground connection, computer analysis of the antenna, modelling sample antennas pdf file

Cross-Field-Antenne - CFA and EH Antenna samples in german

XE1YJS Joaquin - Ham radio, Mir contact samples in Real audio, packet and some links

ScanDawson: Live Dawson County Sheriff, Fire, and EMS Radio - This site allows you to listen to Dawson County, Georgia Sheriff and Fire Department Sample e-mail notification radio communications.

Microwave audio samples - 10GHz Rainscatter audio files

g3vdz/mm - maritime mobile station, with sound sample in audio wave files

RTTY and SSTV sounds - SSTV and RTTY sample sound files in wav or mmv format for test pourposes.

Sound samples of digital transmissions - Sound samples of the transmission modes recorded at 11025 samples per second, mono and the message in all of the samples is the same: "the quick brown fox jumps over the lazy dog 1234567890".

DD3DJ Sound Samples - Some sound samples of received signals mainly on VHF-band

SoftRock-40 - The SoftRock-40 is a small, low-cost, good-performing "software defined radio" receiver that plugs into a computer USB port and delivers I-Q audio signals to the computer's sound card. It was designed by Tony Parks, KB9YIG and Bill Tracey, KD5TFD as an "SDR sampler project" for hams everywhere to easily try out software defined radio.

W8JI History of 160 Meters - Includes W1BB Stew Perry letters, and a sample QSL cards of dated 1963

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

IV3YNB CW pages - Pages fully dedicated to beginners guides, includes an interesting sample of a CW QSO, and a list of frequencies to practise morse code, useful for beginners,

QRSS - Very Slow CW - W0CH QRSS explained, with samples and software reviews

HRX80 80 meters receivers for APRS - 80-meter peilontvanger / receiver includes printed circuit sample and list of components

SSTV by WB8DQT - Experiences, samples and software by WB8DQT

Unusual HF Propagation Phenomena - This page has a collection of audio samples from unusual HF propagation phenomena, from round-the-world propagation to moonbounced signals , and to ducted transmission.

Kamko QSL cards - QSL cards by Kamko, samples, order form.

QSL-Shop.com - Premium quality QSL cards, with samples, preview and on-line order

Cool QSL - QSL print service - QSL print service online from poland with lots of printed card samples

YagiCAD - A freeware software package for Yagi design. This webpage also contains many sample and standard antenna downloads for experimentation.

Elmer - Macintosh shareware, contains the full pool of questions for each of the five exams, and creates sample tests that will vary each time you take them and it will grade your exam.

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

MM-TNC - This package contains a sample code for the MMTTY custom TNC emulation. It is supposed to run on the same PC or on the remote PC, and offers the functions of the TNC emulation.

Audio spectrum analyzer  ^pop - Analyzes audio from 10 Hz to 20 kHz, input from microphone or wave file, Variable sample rates (8000 Hz, 11025 Hz, 22050 Hz, 44100 Hz) Variable transform sizes (1k, 2k, 4k, 8k) Upper and lower limits adjustable Continuous, averaged, peak hold