Rich: Created page with 'Kenwood TK-981 / TK981 information Kenwood TK-981 Use KPG49d to program RX Filter: 920-950mhz RX VCO: 925-950mhz TX VCO: 880-950mhz The RX filter is fixed (not varactor tune…'

Rich — Wed, 06 Jan 2010 02:13:37 GMT

Created page with 'Kenwood TK-981 / TK981 information Kenwood TK-981 Use KPG49d to program RX Filter: 920-950mhz RX VCO: 925-950mhz TX VCO: 880-950mhz The RX filter is fixed (not varactor tune…'

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Kenwood TK-981 / TK981 information

Kenwood TK-981

Use KPG49d to program

RX Filter: 920-950mhz
RX VCO: 925-950mhz
TX VCO: 880-950mhz

The RX filter is fixed (not varactor tuned like the TK-780).

FCC 1 = TX 896.0125
FCC 399 = TX 900.9875
default max deviation = 63 "2.5 khz" (2.2 khz)
71 low
100 (.2 khz)
135 (1 khz)
150 (.4 khz)
199 high
200 (3.2 khz)
207 high
209 high
213 high dev - past passband
215 past passband
223 (6.8 khz)
230 (6.2 khz)
231 (6 khz) (high!)
239 high
256 (8 khz)
- set to 212 (2.8khz)
default squelch = 135 volume 9 - (113-122/124 = open) changed to 125

350: ff ff 01 50 12 50 93 50 12 60 89 32 32 1 t: 896.0125 r: 935.0125
350: ff ff 01 00 25 50 93 00 25 60 89 33 33 2 t: 896.025 r: 935.025

370: ff ff 02 00 75 99 93 00 75 09 90 33 33 398 t: 900.975 r: 939.975
370: ff ff 02 50 87 99 93 50 87 09 90 32 32 399 t: 900.9875 r: 939.9875
^^ ^^
After programming, while making hex-edit changes for ham band,
change "33 33" to "32 32" !!! Otherwise TX will be off freq +20kc or -40kc !!!

Kenwood TK-981 - Revision history

Rich: Created page with 'Kenwood TK-981 / TK981 information Kenwood TK-981 Use KPG49d to program RX Filter: 920-950mhz RX VCO: 925-950mhz TX VCO: 880-950mhz The RX filter is fixed (not varactor tune…'