[Milsurplus] SIGNAL CORPS INDICATOR UNIT I-152-AM

[J Forster]

The indicators are totally different. The APN-1 is a 270 deg. analog meter.
The SCR-718 is a radial scan CRT.

http://www.history.navy.mil/library/online/radar-12.htm
http://www.vk2bv.org/museum/apn1.htm

-John



Michael Tauson wrote:

> On Sat, Apr 19, 2008 at 5:23 AM, J Forster <jfor at quik.com> wrote:
>
> > They serve roughly the same function (measuring altitude above terrain)
> > and use roughly the same frequencies (400 to 500 MHz) but are otherwise
> > totally different.
>
> Uh, yeah.  The "serving the same function" part was what was germaine.
>  The modes are different, TX output powers are different and a whole
> bunch of other things are different.  They also worked in the same
> portion of the spectrum as the APS-13 "Tail End Charlie" radar, the
> ABA (SCR-515) and a few other sets.
>
> Michael