PSK31 is a form of modulation (or "mode") that offers a new and higher level of performance in conversational communications (keyboard-to-keyboard) that "hams" (amateur radio operators) can enjoy.  And it's been made instantly usable by all of us, due in part to the proliferation of the personal computer, and in part to the superb and generous efforts of some very talented ham/programmers.

PSK31 is a new digital mode. It was designed by Peter G3PLX, that betters SLOWBPSK, an idea and implementation of Pawel SP9VRC amd is based on the RTTY mode of operation. It is useful for live keyboard to keyboard QSO that works at 31.25 bauds, that uses varicode caracter coding what gives 50wpm. It is easy to use and monitor, which gives very good copy under low Eb/No numbers and is thus suitable for QRP. Instead of using FSK or on/off keying it uses BPSK or QPSK with a Viterbi decoder, that is available for free for many platforms, including Windows (c) with SoundBlaster type Soundcard, and uses advanced DSP and narrow band (31 Hz!!) techniques.

I have been bit by this mode. I purchased and built the PSK-80 Warbler and next want to get the PSK-20 and PSK-40 Kits to build and use.

Remove Frames

 

PSK31 Information Sites Dale, KF4SIR's nice links page DigitalHam.net eHAM.net Links HellSchreiber Modes K4ABT's really super PSK31 page KG7IL Digital Modes New Jersey QRP Club PSK31 Fundamentals and Setup PSK31 Info Page PSK31 Mailing List PSK31 "Official" Homepage PSK31 Relay QRP Amateur Radio Club Intl. W2MU's Digital Amateur Radio

PSK31 Hardware: BUX CommCo - RASCAL  Oak Hills Research PSK-20 and PSK-40 Kits PSK-80 Warbler Kit Small Wonder Labs Tigertronics Incorporated West Mountain Radio - RIGBlaster PSK31 Software: Amateur Radio Software Collection DigiPan Software The DXSoft Group W2MU's PSK31 Software Links WinPSK - AE4JY Home Page WinPSKse Home Page

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PSK stations can be found on the following bands and frequencies:

Band	Frequency
160 Meters	1838 KHz
80 Meters	3.580 MHz
40 Meters	7.035 MHz
30 Meters	10.140 MHz
20 Meters	14.070 MHz
17 Meters	18.100 MHz
15 Meters	21.080 MHz
12 Meters	24.920 MHz
10 Meters	28.120 MHz
6 Meters	50.290 MHz
2 Meters	144.144 MHz
1.25 Meters	222.07 MHz
70 Centimeters	432.2 MHz
33 Centimeters	909 MHz

Click here for the sound of PSK31

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PSK31 Kits

Warbler-80 Kit

PSK-20/40 Kit

PSK-20/40 Kit Enclosure

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PSK31 Interfaces

BUX CommCo HF Interface for PSK31

RIGblaster HF Interface for PSK31

Tigertronics SignaLink for PSK31

The DigiPan Isolating Interface

 

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