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KG6BAJ > NWSGRP 04.10.09 05:15l 42 Lines 1538 Bytes #999 (0) @ WW
BID : 12282_N1OES
Read: GUEST
Subj: Re: 30 meter mod for a Kenwood TS-520
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DB0RES<ON0AR<HS1LMV<7M3TJZ<ZL2BAU<N4JOA<N9ZZK<KG6BAJ<KG6BAJ
Sent: 091003/2000Z @:KG6BAJ.#NCA.CA.USA.NOAM #:12282 [Grass Valley] InterGate $
** NEWSGROUP: rec.radio.amateur.equipment
** FROM : Jack Pagel <nz9u@tds.net>
Fred McKenzie wrote:
> 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
I just picked up a TS-520 at a local hamfest. It receives 30 meters with
no problem, with the WWV monitor switching, so I thought it may not be
so difficult to add the transmit too. I read about someone doing that
with a TS-180, which I know nothing about those radios. Years ago I took
out 40 and put in 30 meters on a HW-8 QRP rig. It was easier going up
frequency than it would have been if I took out 20 meters instead.
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