v4 sound card tnc

F8JZR Morse keys collection - Telegraphy collection, telegraph, sounder, relay by F8JZR in french

The W7HR QSL Card Gallery - QSL Card Collection by Don Miller

W4BPD QSL Card Gallery - Gus Browning W4BPD QSL Card Collection

K8CX QSL CARD GALLERY - QSL Cards from ALL 338 DXCC Entities, deleted countries QSL Cards, other interesting cards

JH3GBD's QSL Card Gallery - QSL cards collection from Japan

Old QSL Card Gallery - Some very olds QSL cards

Clipperton DX Club QSL Gallery - QSL cards from dx peditions sponsored by CDXC

W7HR QSL Card Gallery

VE3TMG - QSL Card Gallery - A full page with QSL cards

HL2WA - QSL Card Collection - Received QSL Cards

MicroHAMS - Microhams is a dynamic organization of hams in the Puget Sound area. The club includes a broad range of people from our local tech industry who participate in just about every aspect of our hobby.

Yimber's podcast - DX recording for about 20 years old in Popayan, just get a visit there and you are able to hear son interesting DX Sounds, made by Colombia DXer, Yimber Gaviria now living in Cali, Colombia

Digital Operating Modes - Description, frequencies and sound samples of most popular amateur radio digital modes by DG8FBV

Tower Electronics - PL-259, Motorola & N connectors, Coax Seal, universal adapter kit, TNC, Mini-UHF, SMA, F & BNC connectors, audio connectors,antenna mounts and antennas

iQSL USA - QSL card printer from Niagara Falls, NY

UX5UO print - world of QSLs - Ux5uo print, world of qsls: easy and inexpensive printing of radio amateur qsl cards in russian and english

D-PRS - D-PRS is GPS for ham radio. Includes DStarTNC2, javAPRSSrvr, DStarInterface, and TNC-X. D-PRS is the act of converting Icom GPS information generated by Icom D-STAR radios in GPS mode into TNC2 fomatted APRS strings.

DTMF Decoder  ^updated - DTMF decoder program that uses the sound card and FFT to decode DTMF by KB5RYO

TNC - The Packet Terminal Driver program is a general purpose communications package for communicating with a packet TNC attached to your IBM-PC/clone. The program was written to work with the Kantronics range of TNC's but should work with any TNC that is connected to a serial port on your computer.

Test Tone Generator - This Test Tone Generator (TTG) turns your PC into a function generator and enables you to demonstrate, test and tune sound systems, create sound effects and a whole range of other uses to suit your needs. It can also be used for educational purposes.

Tone Sound Frequency Sweep Generator - Generating of up to eight independent oscillatory processes per each channel with separate frequency, initial phase and amplitude controls.

SigJenny - SigJenny turns your PC into a flexible and powerful audio signal generator for free. It can create multiple waveforms, sweep, fire single or repeating tone bursts. You can save your sound as a wav file, display a frequency response, use SigJenny a bit like an oscilloscope, and do a very good impression of a police car!

Spectrum Analyzer Real-time FFT - Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.

Sound Card Interfacing for RTTY, PSK31, and SSTV - Using a PC sound card to coonect to your radio.

Sound Card interface - Interface to insulate the radio circuits from the computer by VK2GWK