[ARC5] What the ZBX was?

[Michael Hanz]

I recall seeing the term used loosely to describe the entire ZB 
variation family, sometimes with ZB* or ZB-* (or ZBX or ZB-X).  If 
you'll take a look at the pdf on my website - 
https://aafradio.org/docs/ZB-3&ARR-1.pdf - you'll see that the ZB-* went 
through five different versions:   ZB, ZB-1, ZB-2, ZB-3, and AN/ARR-1.  
The AN/ARR-2 was enough of a revamp that I'm not sure it would include 
it, but I've been wrong before.  The term could also refer to the 
developmental model (X denoting experimental) described in 
https://apps.dtic.mil/sti/tr/pdf/ADA084225.pdf - though on page 271 in 
that book NRL used the simple nomenclature "ZB" in describing the 
development of the system.

73,

Mike  KC4TOS

On 3/22/2024 4:53 AM, zakariya.abu at yandex.com wrote:
> I would like to ask if someone knows what the ZBX was? Was it a 
> particular type name of the ZB aircraft carrier landing system that 
> operated in VHF? If yes, in what dimension: was that the AN/ARR-1 or 
> AN/ARR-2?
>
> The ZBX term was used in the Navy's report on the disappearance of 
> Flight 19 five TBM Avengers in December 1945 off Florida.
>
> 73
>
> Jan SP5XZG
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-- 
Michael Hanz - KC4TOS