Spurious data in database.

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Joined: 2011/04/24 - 21:33
Spurious data in database.

I can't understand how these database errors cropped up. The record shows changing errors in the location of a receiving station over a period of minutes and other erroneous locations over the course of a few minutes.

2016-02-03 20:56 G0BZB 14.097117 -17 1 JD15 0.5 OH2BT KP20jf 12905 12
2016-02-03 20:24 G0BZB 14.097117 -18 1 JD95 0.5 OH2BT KP20jf 12770 3
2016-02-03 20:24 G0BZB 14.097116 -23 0 JD95 0.5 OZ5ACI JO66ca 12307 356
2016-02-03 20:28 G0BZB 14.097144 -24 1 JD95 0.5 I112387 JN44ln 11058 353

I'm hoping the data will retain its formatting so you can read it easily, but in case not, OH2BT is recorded in two locations over 28 minutes and 2 other stations are out of position by a long way.

I've seen errors regarding the location of the transmitting station before and can see why a garbled decode would result in those errors, but this is a matter of the location of the receiving station and that isn't transmitted over the air, but written in the WSPR database.

Thanks for any ideas you can share here.