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Amateur Radio Digital Modes
AMTOR
PACTOR G-TOR
PACTOR
CLOVER
CW
PSK31
HF PACKET
HELLSCHREIBER MT63
MFSK16
RTTY
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Why Digital Modes
1. Efficient use of band width.
2. Efficient use of power.
3. Provide more capability for Technician Class Licensees
4. A more “secure” method of passing traffic
5. Generate more use of our bands – “use them or lose them”.
KC8TVW 2011
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What do you need? 1. Transceiver for the band desired
2. Laptop/Desktop with sound card*
3. Hardware interface between computer and radio
4. Software – Readily available & free
Receiving
You do not need the interface
Typically 1/8” stereo audio cable RadioShackModel: 42-2387 $7.50
Software - Digipan or WinPSK or fldigi
Computer
1/8” stereo phone plug audio cable
Mic In Spkr Out
KC8TVW 2011
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4
http://www.tigertronics.com/
http://www.westmountainradio.com/
http://www.digipan.net
KC8TVW 2011
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5
$120
May require radio specific adapter ~$10
KC8TVW 2011
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Computer
Mic/Line In
USB Port
Spkr Out
Interface Radio
Headphone/
Line Out
Audio In
Serial In
Mic Out Mic/Data In
Rigblaster Nomic Flowchart
KC8TVW 2011
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KC8TVW 2011 7
$60
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Example: Nomic jumper setup
Interface uses jumpers to configure different radios/manufacturers
KC8TVW 2011
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9
Rigblaster Plus $160
KC8TVW 2011
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TigerTronics SignalLinkUSB $100-105
Cable – Mic or data USB Cable
Built in sound card
Uses only 2 cords
Power from USB
May use data port
KC8TVW 2011
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11 KC8TVW 2011
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TigerTronics SignaLink USB WMR RigBlaster Nomic
KC8TVW 2011
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PSK31
2 Meter Band FM: 145.55
2 Meter Band SSB: 144.144
6 Meter Band: 50.125
10 Meter Band: 28.110 - 28.125 Mhz
12 Meter Band: 24.920 - 24.930 Mhz
15 Meter Band: 21.060 - 21.080 Mhz
17 Meter Band: 18.100 - 18.110 Mhz
20 Meter Band: 14.060 - 14.080 Mhz
30 Meter Band: 10.130 - 10.145 Mhz
40 Meter Band: 7.060 - 7.080 Mhz
80 Meter Band: 3.620 - 3.640 Mhz
KC8TVW 2011
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Digital Modes
Olivia 8-500
MT63-1000
BPSK31
RTTY
Contesia 4-250
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Digital Software
Screen From Actual QSO - BPSK31