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KG6BAJ > NWSGRP 04.10.09 03:44l 34 Lines 1048 Bytes #999 (0) @ WW
BID : 12221_N1OES
Read: GUEST
Subj: Re: 30 meter mod for a Kenwood TS-520
Path: DB0FHN<DB0MRW<DK0WUE<DB0RES<ON0BEL<ZS0MEE<CX2SA<N6RME<KG6BAJ<KG6BAJ
Sent: 091003/0630Z @:KG6BAJ.#NCA.CA.USA.NOAM #:12221 [Grass Valley] InterGate $
** NEWSGROUP: rec.radio.amateur.equipment
** FROM : Fred McKenzie <fmmck@aol.com>
In article <YY3wm.2947$cW.944@newsreading01.news.tds.net>,
Jack Pagel <nz9u@tds.net> wrote:
> Was there ever a modification that will enable transmit on 30 meters?
> Thanks,
Jack-
As I understand the TS-520, it has tuned circuits plus a heterodyne
crystal for each band. You could sacrifice 40 Meters, retune the coils
for 30 Meters, and change the 40 Meter heterodyne crystal for one that
is 3 Mhz higher. In theory, it would then tune from 10.0 MHz when the
dial indicated tuning from 7.0 MHz.
Retuning the coils might be as simple as changing a tap on a coil or
replacing a capacitor in a parallel-tuned circuit. Doesn't the TS-530
have the WARC bands included? You might look at it for ideas on how
best to modify the TS-520.
Be careful, since you could easily end up transmitting outside the Ham
bands!
73,
Fred
K4DII
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