[ARC5] Mystery Black Box

[Scott Johnson]

Make that 112 plugs, two per cylinder!

Scott W7SVJ

-----Original Message-----
From: ARC5 [mailto:arc5-bounces at mailman.qth.net] On Behalf Of Michael A.
Bittner
Sent: Saturday, April 26, 2014 6:17 PM
To: jfor at quikus.com
Cc: D C _Mac_ Macdonald; Military Surplus Mail List; ARC-5 Mail List
Subject: Re: [ARC5] Mystery Black Box

Sounds like the answer to me.  Now I can just see myself trying to find
those LORAN C pips amongst all the "grass" created on the APN-4 scope by the
56 spark plugs on the PBM!!
Mike-W6MAB
  ----- Original Message ----- 
  From: J. Forster 
  To: Michael A. Bittner 
  Cc: D C _Mac_ Macdonald ; KE6PPF Jay Coward ; Military Surplus Mail List ;
ARC-5 Mail List 
  Sent: Saturday, April 26, 2014 6:02 PM
  Subject: Re: [ARC5] Mystery Black Box


  Yes. But LORAN-C can have more SLAVES per MASTER than LORAN-A. Also,
  LORAN-A has several operating frequencies, LORAN-C only one.

  The box is an LO and one or two BPFs. And possibly an AGC.

  -John

  ==================

  > Other than carrier frequencies, how are LORAN A and C "different
  > animals"?.  I think both are pulse modulated hyperbolic systems.
Couldn't
  > up-converted LORAN C signals be displayed on the APN-4 and used for
  > navigation with a suitable chart?
  > Mike-W6MAB
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