HF Digital Communications for beginners

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HF Digital Communicationsfor beginners

• Psk31, Rtty, Sstv
• Val Campbell K7HCP
• Jeff Anderson KD7PAW

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RECEIVE MODEpsk31 Phase Shift Keying _at_ 31
baud
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Minimum ConfigurationSW Radio, Computer,
Microphone
Sound Card Mic-In
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Radio Setuppsk31

• SSB/CW (USB)
• 14.070 mhz 20 meters
• 7.070 mhz 40 meters
• 3.580 mhz 80 meters

Receiver Mode
Day time
Early evenings
Night time
3 popular bands
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Digipan is Freewarehttp//digipan.net
Digipan is free software Written by hams
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Download Digipan
Small, downloads quick
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Initial Program Screen
Xmit Macros
Qso Log Data
Click to configure
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Configure Personal Information
Enter personal data
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Receive - Microphone Gain
Adjust input level
Select Microphone
If using microphone input option
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Speaker-Out gtgtgt Line-In
Direct connection - preferred method
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Receive Line In Gain
Adjust input level
Select Line-In
If using speaker direct connection option
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Display Screen AreasReceive Data, Transmit
Data, Waterfall
Psk31 signal Waterfall Tracks
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Water Fall - Tuning Area
Station at 14.071.00
Station at 14.071.80
Tune with your mouse pointer just click desired
track to decode
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Receive Data Decode
Received data displays here
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TRANSMIT MODEpsk31 Phase Shift Keying _at_ 31
baud
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Sound-Out gtgtgt Mic-In
Various radios require different mic level
settings
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Transmit Audio Gain
Wave output level
Master Volume Control
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Transmit Data - CQ
Click here to send CQ (macro)
- OR manually enter transmit data here
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PSK31 QSO
Received data
Transmit data
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PROGRAM CONTROLLED PTTAutomatic Trans / Recv
switch over
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Basic PTT InterfacePC RS232 gtgtgt Radio PTT
Only 3 common components required
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Enhanced PTT Interface PC RS232 gtgtgt Radio PTT
Only 5 more common components required
Provides enhanced RF isolation / protection
Xmit indicator LED
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Trans / Recv
Click to transmit
- OR- Click to transmit
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LOGGING QSO DATA
2nd click here
3rd Click to commit qso data
1st click here
Automatically time stamped
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Digital Decoder Programs

• PSK31 Phase Shift Keying
• DigiPan http//digipan.net/
• RTTY - Radio TeleType
• MmRTTY http//amateur-radio.ca/
• TrueTTY http//dxsoft.com/
• SSTV Slow Scan TV
• MmSSTV http//amateur-radio.ca/
• CW Morse Code
• GetCw http//dxsoft.com/
• Multi Mode programs
• HamScope http//www.qsl.net/hamscope/
• MixW http//mixw.net
• Logging programs

best for Psk31
best for Rtty
best for Sstv
supports most popular modes
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The EndVal Campbell K7HCPJeff Anderson
KD7PAWVisit http//OgdenArc.org Click
Downloads