psk interfaces

V21ZG Antigua - March/April 2010 will be QRV from March 16th till April 4th on IOTA NA-100, 6-80m - mainly in RTTY, PSK and SSB QSL via DL7AFS

20m live PSK stream Priority listing - Listen to a live PSK 20m stream from station G7AQK - Located in London, UK

EZE UK PCInterfaces - Digital mode interfaces are a speciality of EZE(UK). We are designers, agents, and manufacturers of both commercial, and ham radio interfaces together with programming units, and controllers.

G3LIV Data Interfaces - Data interfaces for PSK31 ,CW, RTTY, SSTV, FSK by G3LIV

RSQ Signal Rporting for Digital Modes - This site is devoted to promoting RSQ as an improved signal reporting system for narrow band digital modes and to demonstrating its application to the popular PSK31 mode.

Introduction to Digital Modes - Wireless Society of Southern Maine, Digital Modes Page, introduction to amateur radio digital modes, including FLDIGI, PSK31, RTTY, high speed CW, Slow Scan Television, HF Weather Fax, WeFAX, MFSK16, OLIVIA, G-TOR, AMTOR, MT63, Digital SSTV, Frequency Key Shifting, and more

The Advantages of CW - CW is not just another mode like SSB, FM, PSK-31, etc. It is a unique mode that has alot of advantages.

PSK-31 101 - Everything you need to know to understand and use PSK-31 by George Rothbart, KF6VSG Presentation to PACIFICON 2001

BARTG PSK31 Award - As part of its 40th anniversary celebrations, BARTG announced the BARTG PSK31 Award.

PSK31 Fundamentals and Setup - Background: The PSK31 philosophy, The QPSK mode, Varicode, Sound Card DSP Setup and Operating Tips

PSK31 Fundamentals - The PSK31 philosophy

Making the Most of your PSK31 Signal - Adjusting audio output of your soundcard to obtain a perfect PSK signal from your transmission. A project to help you tuning your PSK31 emission.

PSK31 Elmer page and PSK Signal Quality - Generating clean PSK signals and helping others to correctly tune their souncard output, as well as giving proper RSQ reports by identifying signal quality by N1NKM.

30 Meters receiver - A simple 30 meters receiver for low power QRSS Beacons and PSK31

Yaesu FT-897D PSK and RTTY Operation - Determining the audio input and output connections on the FT-897D.

SSTV Mode specifications - How SSTV Works, article by F1ULT

Opto Interface for Digital Modes - N2UZ interface first designed to be used with Kenwood TS-570SG, but also used with Yaesu FT-1000M

APRS Messenger program - APRS over digimodes including PSK, QPSK and GMSK with digipeating and two way HF internet gateway to the APRS-IS

ExtFSK by MM HamSoft - EXTFSK.DLL is an MMTTY extension that interfaces MMTTY to a user-made hardware device via serial port, parallel port or USB

Ham for iPhone - Ham is a free iPhone Ham Radio utility. View solar conditions (Solar Flux, Indices, X-Rays, Sunspots and calculated band conditions). View PSKreporter reports and Callsign lookups.

I-PSK31 - Ipsk31 is a modem based on Bpsk31 protocol for ham radio digital transmissions. Can be used on IPhone and Ipod Touch, and let you transmit and receive PSK31 directly from your Apple device.

Multimode - A new app for Ham Radio running on IPhone and IPod touch. Multimode is a modem for RTTY BPsk31 & QPsk31, with spectrum analyzer and Macros for easy operations.

Simple Interfaces for FSK, PTT & CW Keying - AA5AU FSK and CW interfaces

Sound Card to Radio Interfacing - Sound card Hamming, PSK31 and other digital modes, CQ amateur radio article by K5ABT

Radio Interfaces by W7IY - Article by W7IY on commercial pc to radio interfaces with products comparison and personal comments.