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
Modem / TNC
|
Tone Frequencies
|
|
Group "A"
|
||
Bell 103 Originate
|
1070
|
1270
|
Group "B"
|
||
Tigertronics TM1
|
1100
|
1300
|
Group "C"
|
||
MFJ-1270 & MFJ-1270b
|
1600
|
1800
|
TinyTrack 3 & 4
|
1600
|
1800
|
Kam Plus
|
1600
|
1800
|
PacComm TNC320 | 1600 | 1800 |
OpenTracker | 1600 | 1800 |
Group "D"
|
||
Bell 103 Answer
|
2025
|
2225
|
Group "E"
|
||
AGWPE (Soundcard)
|
2100
|
2300
|
MixW (Soundcard)
|
2100
|
2300
|
Group "F"
|
||
PK-232
|
2110
|
2310
|
MFJ-1270c & MFJ-1274c
|
2125
|
2295
|
MFJ-1276 & MFJ-1278
|
2125
|
2295
|
Group "G"
|
||
DSP-12
|
2125
|
2325
|