[Milsurplus] information on RT-7/APN-1

[Bruce]

Hello Phil,

AN/APN-1
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Radar Altimeter, 420-460 MHz, Doppler frequency shift, dual scale meter 
0-400 and 0-4000 feet. Output 0.1 W, 14 or 28 VDC. Uses RT-7A/APN-1, 
ID-14/APN-1 and two AT-4/APN-1 antennas.

73, Bruce WA8TNC
==================
Phil Lewton wrote:
> Hi I have an RT-7/APN-1
>
> Can any one identify this item it appears to be aircraft may be radar but
> not sure
>
>   free to good home cost only postage.