New Payload Antenna

The new antennas arrived and I experimented with the payload antenna.  The base antenna, a Yagi antenna, requires a bit more set up so I haven’t tried it.

I discovered with this experimenting that the radio signal from the DNT900 may interfere with GPS signals.  The board was flat and the radio antenna was vertical.  I received no GPS data.  When I hung the prototype from the top of a ladder (as shown below), I started receiving GPS data after five minutes.

IMG_2765

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