Kenwood TK-981

From InterceptRadio.com Wiki

Revision as of 02:13, 6 January 2010 by Rich (Talk | contribs)
(diff) ← Older revision | Current revision (diff) | Newer revision → (diff)
Jump to: navigation, search

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 !!!

Retrieved from "http://interceptradio.com/wiki/index.php/Kenwood_TK-981"
Personal tools