[ARC5] anyone know what it is? AN/PPN-17

[Mike Morrow]

Jay asked:

> Looks like a sonobouy but it's rf not sonic I think.
>
> http://www.ebay.com.au/itm/130892126425

The document at http://www.dtic.mil/dtic/tr/fulltext/u2/a250435.pdf
states:

"AN/PPN-17 Transponder Set:  Under a contract with RADC, Avion
Electronics, Incorporated developed and produced the AN/PPN-17
transponder for use in Southeast Asia as a portable navigation aid
during night or conditions of low visibility.  By May, Avion
Electronics had produced 19 units for evaluation."

The unit has a 1967 contract number.

Mike / KK5F