RST Engineering


Kit Electronics For Aviation and Communication




Altitude Encoder

































 A mode C transponder requires a source of barometric altitude.  The  RST-582 (our number for the ACK A-30 Altitude Encoder) interfaces directly with the transponder to provide that encoded altitude signal.

The ACK altiutde encoder may be mounted directly on the top of the transponder mounting tray (if you have room in the stack) to provide single-point mounting for both the transponder and the encoder.

This encoder carries the full 3-year from date of manufacture warranty from ACK.  The encoder, tray, and wiring harness are included.

This is the standard "Gray Code" unit.  The RS-232 serial unit is available on special order.


RST-582 Altitude Encoder $199.88

Plus $5 shipping and 8% sales tax to a California address


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RST Engineering

13993 Downwind Ct.   Grass Valley CA  95945    530-272-2203