[Hammarlund] HQ-129-X Question

[D C *Mac* Macdonald]

I don't know if this got posted or not.
It didn't show up and I never got a
notice that it had been received by the
list.
 
---- Original Message ----
 
Set screw tightened with dial in
wrong position on the shaft?


* "An unarmed man can but flee *
* from evil. Evil can NEVER be *
* overcome by flight FROM it." *

 
* * * * * * * * * * *
* 73 - Mac, K2GKK/5 *
* (Since 30 Nov 53) *
* Oklahoma City, OK *
* USAF, Ret (61-81) *
* * * * * * * * * * *



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> From: km1h at jeremy.mv.com
> To: gzook at yahoo.com; hammarlund at mailman.qth.net; k1lky at earthlink.net
> Date: Mon, 29 Nov 2010 12:12:31 -0500
> Subject: Re: [Hammarlund] HQ-129-X Question
>
> 200 is not fully open on BS.
>
> Ive been looking for late 129/140 BS dials for awhile so I can use 15M.
> in the 129's and 120's.
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> > From: "Glen Zook"
> > To: "hammarlund List" ; "Roy Morgan"
> > Sent: Monday, November 29, 2010 11:43 AM
> > Subject: Re: [Hammarlund] HQ-129-X Question
> >
> > The manual on the HQ-129X states that the bandspread is to be set at 200
> > which, on the original receivers, was fully open. Somewhere during
> > production the bandspread dial was changed to have the logging scale 0 to
> > 100 instead of 0 to 200. The original HQ-129X bandspread dials had the 80,
> > 40, 20, and 10 meter bands calibrated. The very last versions had the 15
> > meter band added.
> >
> > The actual quotation, from page 16 of the manual (I have an original) is:
> >
> > "The front row of adjustments, shown on the chart (Fig. 8), control the H.F.
> > Oscillator circuits and consequently the dial calibration. To check these
> > adjustments the band spread dial must be at 200, since that is the setting
> > at which the main dial was calibrated."
> >
> > On page 4 the band spread dial is described as:
> >
> > "An exceptionally wide band spread of 310 degrees supplied by a special 9
> > section condenser, is provided on the 4 higher frequency ranges. The band
> > spread dial has 5 scales. Four of these are directly calibrated for the 80,
> > 40, 20, and 10 meter amateur bands. The fifty scale is an arbitrary 0-200
> > division scale, provided for making up calibration charts for other bands,
> > such as the short wave international broadcast bands. It is also of use in
> > logging stations."
> >
> > My original manual has handwritten notes changing the 200 reading on the
> > band spread to 100.
> >
> > Glen, K9STH
> >
> > Website: http://k9sth.com