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ES8TJM - Paatsalu - "714" - AIS RECEIVER

Receiver station is home made. Radio including vhf receiver board, synthesizer board, IF/detector board & AIS GMSK (cmx589 & ATMEGA8) digital modem board...
Receiver can receive two AIS channels (161.975MHz & 162.025MHz) with 40second changing interval.
Antenna is home made coaxial collinear (8x).
At the bottom of antenna is a home made low-noise preamplifier(FET GaAs).
Computer is old Dell D-600 notebook, Windows-Xp and any unnecessary hardware & software is removed. Using AIS Dispatcher or Shipplotter software.


Some pictures of my AIS receiving station...

Ais receiver done...


Ais receiver open rx side...


Receiver synthesizer side open.


Channel changing timer


Antenna making process


Antenna making process


Antenna making process


Antenna making process


Antenna on mast


Antenna preamp



Receiver first (old) version pictures...