Can anyone ID this LaVoie Spectrum Analyzer ?

[Bill Griffith]

Hi!  I have a '50's vintage military spectrum analyzer, AN/UPM-110, made by
Lavoie Laboratories Inc., Morganville, NJ.  It covers 10 Mc/s to 44 kMc/s,
and consists of two main units, indicator and tuner, mounted in one case. It
is very similar to the LA-18 shown at Steve Bragg's KA9MVA webpage :

   http://darts.c2-tech.com/photos.htm  (at the bottom of the page)

My USM-110 unit seems to have roughly the same construction, but it has an
external mount on the tuner for the high-bands mixer crystal, and a VIDEO
OUT BNC connector on the indicator, (upper left).

The spec-an has served me well over the past 20-odd years (used sparingly),
but now needs some TLC, and I've been unable to locate a UPM-110 manual.
Does anyone know the nearest commercial equivalent Lavoie model number ?  Is
the LA-18 the nearest model, or is there one better ?

Thanks and 73,

Bill VE3WGX

http://webhome.idirect.com/~griffith/

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