[Milsurplus] [Vintage-Military-RADAR] Historical Connector Question

J. Forster jfor at quikus.com
Thu May 15 14:14:31 EDT 2014


Thanks very much. I'll look at the GEE docs.

Oh, and to nit-pick, it's LORAN. I'm intreagued you say LORAN was
developed for the Pacific.

-John

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



> It all stems from the British IFF Mk2 and the TR1433 VHF Air to ground
> Transmitter receiver. The americans had nothing to match their
> capabilities at that time. They were redesigned to become the APX1 & ABK
> IFF and the SCR522. The american copies used the same plugs, and I think
> the SCR522
> even had the same mounting tray. The overall physical dimensions were the
> same. As you know, R.J. Dippy designed the GEE Navigator for navigation
> over Europe and it worked on tho 20m/cs -85m/cs bands. This had coverage
> over Europe. To cover the Pacific, Loran (acronym for long range) was
> developed from British Gee using 2m/cs to get propagation over that
> distance. Gee used Pye connectors etc. GEE manuals can be downloaded from
> VMARS site to compare Loran to.
> Best regards
> Paul D Whiteley
> Halifax, Great Britain
>   ----- Original Message -----
>   From: 'J. Forster' jfor at quikus.com [Vintage-Military-RADAR]
>   To: Milsurplus at mailman.QTH.net ; VMARS at yahoogroups.com ;
> Vintage-Military-RADAR at yahoogroups.com
>   Sent: Thursday, May 15, 2014 6:13 PM
>   Subject: [Vintage-Military-RADAR] Historical Connector Question
>
>
>
>   On the Milsurplus list, there have been some recent musings about why
> the
>   LORAN-A receivers (APN-4 & APN-9) used Pye connectors. (and also the P-
>   multipin, instead of the US common MS series)
>
>   I have a theory,which I'd like to test:
>
>   Does anyone know if the APN-4 LORAN-As replaced some earlier radio
>   navigation system in British bombers partway through WW II?
>
>   I could well image the connector oddities were so that the installed
>   systems could just have the new stuff swapped in, using the EXISTING
>   cables?
>
>   Inquiring minds want to know.
>
>   -John
>
>   ==================
>
>
>
>
>
> ---
> This email is free from viruses and malware because avast! Antivirus
> protection is active.
> http://www.avast.com
>




More information about the Milsurplus mailing list