On 30/11/2018 20:37, Jim Emerson wrote:
I have set up FN13fd as my location grid square. I am only seeing 4
units ( FN13). When I send. Not seeing other 6 unit grid squares in
the receive window. Am I doing something incorrect? Please advise.
Thank you, ka2aic
Hi Jim,
6-digit grids are used for azimuth and bearing calculations and only the
WSPR protocol has a mechanism for sending them by splitting the beacon
message over two transmission periods. The other modes use 4-digit grid
squares in their standard messages.
As far as we know there is no requirement to exchange 6-digit grids
except perhaps on the millimetre bands with extremely high gain aerials.
73
Bill
G4WJS.
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