Project (9)

Development Projects

LA2YUA

ITT Mackay Marine 3021N Receiver (Part 1)

The ITT Mackay Marine 3021N is a mid 70's communications receiver, designed for merchant marine and military use. I've basically built it again using modern electronics, which will be covered in detail in this series.

This is part 1, covering the basic overview of the receiver and its role in the original marine communications system. I acquired the 3021N some time the middle 2010's, and started serious work on it in 2018.

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LA2YUA

Furuno GT-88 Impressions

The Furuno GT-88 is a GNSS timing receiver intended for precision timekeeping. These are my impressions after some testing, but before I've tried to build a full reference clock system based on it.

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