HF Modem Tones
Page changed by VK2IO: Mon, 17/05/2010 - 14:55.
Popular Modem Offsets
The table below lists the common HF modem/TNC equipment in use, and thier tones.
These have been are categorised into "Groups" for the purpose of carrier frequency selection
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Modem / TNC
|
Tone Frequencies
|
|
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Group "A"
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Bell 103 Originate
|
1070
|
1270
|
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Group "B"
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Tigertronics TM1
|
1100
|
1300
|
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Group "C"
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MFJ-1270 & MFJ-1270b
|
1600
|
1800
|
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TinyTrack 3 & 4
|
1600
|
1800
|
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Kam Plus
|
1600
|
1800
|
| PacComm TNC320 | 1600 | 1800 |
| OpenTracker | 1600 | 1800 |
|
Group "D"
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Bell 103 Answer
|
2025
|
2225
|
|
Group "E"
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AGWPE (Soundcard)
|
2100
|
2300
|
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MixW (Soundcard)
|
2100
|
2300
|
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Group "F"
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PK-232
|
2110
|
2310
|
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MFJ-1270c & MFJ-1274c
|
2125
|
2295
|
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MFJ-1276 & MFJ-1278
|
2125
|
2295
|
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Group "G"
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DSP-12
|
2125
|
2325
|