5MHz band soon - restrictions?

[Neil McKie]

  Re the Collins 'S' Line.

  I number of years ago, I received a letter from the folks
 who bought Collins (Can't remember the name right now).  The
 letter stated how to use the S-Line and KWM-2 on frequencies
 between 5.0 and 6.5 MHz.

  If / when I locate that letter, I will let you know.

  The letter basically states what mixer crystals to use where
 and which frequencies to avoid.

  Neil McKie - WA6KLA ...


Glen Zook wrote:
>
> Well, I will be surprised that anyone modifies their
> Collins 32S3B since there were none marketed (there
> may have been a test unit, or two)!  The 32S-3A is the
> last of the S-Line transmitters.
>
> However, the Collins S-Line, with the 2.1 KHz filter
> (which is standard) meets the 2.8 KHz bandwidth
> requirements.  Also, Collins approved most of the 5.0
> to 6.5 MHz range including all of the proposed 60
> meter band in Service Information Letter 2-75.  All
> that it takes to put the S-Line or KWM-2 series on 60
> meters is to plug an 8455 crystal into one of the band
> 2 slots (band 1 doesn't work - already tried it!) and
> that gives coverage of 5300 - 5500 KHz which takes in
> all of the 60 meter band.
>
> As for modifying other equipment, some of it will work
> fine and some won't!  That is the "breaks of the
> game".  Remember that when 15 meters became an amateur
> band around 1950 that most of the rigs didn't cover it
> then.  Also, when 6 and 2 meters came into being they
> were different from the old 5 and 2.5 meter bands and
> required new equipment.
>
> One thing is that since most equipment will have to be
> modified, that most of the "trouble makers" (jammers,
> etc.) won't take the trouble to modify their equipment
> just to play havoc with the band since they can cause
> all sorts of problems elsewhere.
>
> Glen, K9STH
>
> --- Brian Carling <bcarling at CFL.RR.COM> wrote:
> What does this last part mean?
>
> Now we have to MODIFY our surface-mount constructed
> $2,000.00 Japanese black boxes to USE that sorry
> excuse for a "Band" ???
>
> Who will be the first to modify their 32S3B to comply?
>
> =====
> Glen, K9STH
>
> Web sites
>
> http://home.attbi.com/~k9sth
> http://home.attbi.com/~zcomco
>
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