[Milsurplus] Not necessarily milsurp, but...

[Charlie L.]

Has anyone seen or heard about a United Airlines  Model ES 276 receiver
that is in the National NC100 lineage?  Not a peep, letter, or image of it
anywhere.  There is a large hole on the left side that is factory made,
maybe intended for the eye tube some models had? No hold in the chassis to
show it may have had an eye tube bracket.  The hole on the right side is
labeled Range/Weather/Both  which I am thinking in function to the outboard
control box for the ARN6 and Bendix RDF with 'ADF1/ Both/ ADF2 /Range'
which is just and audio filter.  but was Cannon plug attached to the audio
line out of the RDF's aircraft harness, but not internal. to the RX's

Charlie, W4MEC in NC
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