HF Digital Communications for beginners Psk31, Rtty, Sstv Val Campbell K7HCP Jeff Anderson KD7PAW.

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Presentation transcript:

HF Digital Communications for beginners Psk31, Rtty, Sstv Val Campbell K7HCP Jeff Anderson KD7PAW

RECEIVE MODE psk31 Phase Shift 31 baud

Minimum Configuration SW Radio, Computer, Microphone Sound Card Mic-In

Radio Setup psk31 SSB/CW (USB) mhz [20 meters] mhz [40 meters] mhz [80 meters] Receiver Mode 3 popular bands Day time Early evenings Night time

Digipan is Freeware Digipan is free software Written by hams

Download Digipan Small, downloads quick

Initial Program Screen Xmit Macros Qso Log Data Click to configure

Configure Personal Information Enter personal data

Receive - Microphone Gain Select MicrophoneIf using microphone input option Adjust input level

Speaker-Out >>> Line-In Direct connection - preferred method

Receive – Line In Gain Select Line-InIf using speaker direct connection option Adjust input level

Display Screen Areas Receive Data, Transmit Data, Waterfall Psk31 signal Waterfall Tracks

Water Fall - Tuning Area Station at Station at Tune with your mouse pointer – just click desired “track” to decode

Receive Data Decode Received data displays here

TRANSMIT MODE psk31 Phase Shift 31 baud

Sound-Out >>> Mic-In Various radios require different mic level settings

Transmit Audio Gain Wave output levelMaster Volume Control

Transmit Data - CQ - OR – manually enter transmit data here Click here to send CQ (macro)

PSK31 QSO Received data Transmit data

PROGRAM CONTROLLED PTT Automatic Trans / Recv switch over

Basic PTT Interface PC RS232 >>> Radio PTT Only 3 common components required

Enhanced PTT Interface PC RS232 >>> Radio PTT Only 5 more common components required… Provides enhanced RF isolation / protection + Xmit indicator LED

Trans / Recv Click to transmit - OR- Click to transmit

LOGGING QSO DATA 1 st click here 2 nd click here 3 rd Click to commit qso data Automatically time stamped

Digital Decoder Programs PSK31 – Phase Shift Keying –DigiPan RTTY - Radio TeleType –MmRTTY –TrueTTYhttp://dxsoft.com/ SSTV – Slow Scan TV –MmSSTV CW – Morse Code –GetCwhttp://dxsoft.com/ Multi Mode programs –HamScope –MixW Logging programs –AALoghttp://dxsoft.com/ –ACLog best for Psk31 best for Rtty best for Sstv $ supports most popular modes

The End Val Campbell K7HCP Jeff Anderson KD7PAW Visit: Click: Downloads