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Icom IC- 900 mods
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IC900.3
440 Band - to expand coverage from 420 - 470 MHz:
Remove diode D25 (3,D) for RX
Install diode in (3,C) for TX
VCO in 440 module covers a 20 MHz range - re adjust as needed.
220 Band - to expand TX coverage from 216 - 236 MHz:
* This mod hasn't been tried and verified. *
Install diode (1,C) for TX
Remove diode (2,D) - ?
144 MHz Band - to expand TX coverage from 138 - 174 MHz:
Install diode in (1,C)
50 MHz Band - to expand coverage from 40 - 54 MHz:
Remove diode D32 (4,B) for RX
Install diode in (4,A) for TX
28 MHz Band - to expand coverage from 28 - 40 MHz:
Remove diode D33 (3,B) for RX
Install diode in (3,A) for TX
CONTINUED IN FILE IC900.4
Downloaded From P-80 International Information Systems 304-744-2253
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