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Peter Antypas 2020-12-25 14:40:15 -08:00
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@ -65,7 +65,7 @@ This is going to be difficult for all but the most technically advanced. The boa
To make this easier I will release a kit on tindie.com. I was hoping to have it ready by the start of the 2021 boating season (March or April), but Silicon Labs is experiencing a severe supply chain disruption right now, so this may not happen until Q2 of 2021. The kit will include a 98% finished PCBA as well as the VHF antenna, enclosure and sealing components. The board will be programmed, tested and calibrated, and the antenna will be perfectly matched.
There is, however, one caveat: <b>I cannot legally ship this as a transponder yet</b>. The workaround is to bill it as an AIS+GPS receiver. To turn it into a transponder, you will have to <b>procure and install [inductor L4](https://github.com/peterantypas/ais_transponder/blob/master/latest/CAD/Board-9.3/transponder-9.3.0-schematic.pdf) on the PCBA yourself</b> (see page 5 of the schematic). Without this part, the circuit is physically incapable of transmitting. Soldering this should be easy as it is an 0805 package and the pads will already have solder paste from the original SMT and test process. The inductor is a Taiyo Yuden BRC2012T2R2MD and it's widely available at both DigiKey and Mouser. It is quite cheap, so your main cost will be shipping.
There is, however, one caveat: <b>I cannot legally ship this as a transponder yet</b>. The workaround is to bill it as an AIS+GPS receiver. To turn it into a transponder, you will have to <b>procure and install [inductor L4](https://github.com/peterantypas/ais_transponder/blob/master/latest/CAD/Board-10.0/transponder-10.0.1-schematic.pdf) on the PCBA yourself</b> (see page 5 of the schematic). Without this part, the circuit is physically incapable of transmitting. Soldering this should be easy as it is an 0805 package and the pads will already have solder paste from the original SMT and test process. The inductor is a Taiyo Yuden BRC2012T2R2MD and it's widely available at both DigiKey and Mouser. It is quite cheap, so your main cost will be shipping.
### License