It was tuneable, but after WWII, it was fixed at 1030/1090, and the APX-25 SIF encoder was added. It was then capable of modes 1,2, and 3/A
Scott W7SVJ
From: [email protected] <[email protected]> On Behalf Of Doran Platt
Sent: Sunday, July 30, 2023 13:49
To: [email protected]; ARC-5 <[email protected]>
Subject: Re: [ARC5] APR-4 Fans
Isn't the APX-6 an L band IFF set, around 1100 Mhz?. Predecessor to the APX-25/ KY-95 IFF/SIF set.
K3HVG
On 07/30/2023 4:02 PM EDT [email protected] wrote:
Loved it. I used it to listrlen to the Aeronautical VHF band and to tune up my modified APX-6 transceiver.
Mike N2MS
On 07/30/2023 3:55 PM EDT David Stinson <[email protected]> wrote:
Who here is the biggest fan of the APR-4 search receiver?
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