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FST4W false spots that could easily be filtered out #fst4 #false
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Erwin - PE3ES - F4VTQ
I see these spots in my Grafana overview. Due to their contents they could easily be suppressed before being uploaded. Like not having a locator field for the transmitter.
time
band (m)
tx_sign
tx_loc
rx_sign
rx_loc
distance
power
snr
wsprmode
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Rob Robinett
While there are a very few false FST4W spots but because there are so few FST4W beacons, the false spots are much more prominent than the WSPR-2 false spots. I am reluctant to include false spot filtering in the WD client and even in the WD server especially after I heard that Jim Lilli spent much effort to create such a filter but ended with 20% of WA2TP's false spots actually being good spots that only Tom decoded. Jim is publishing a continually updated whitelist of 'good tx calls' which could be used as part of a filter, but using it will be very difficult for me to debug. On Tue, Nov 1, 2022 at 8:17 AM Erwin - PE3ES - F4VTQ via groups.io <waterwin2=yahoo.com@groups.io> wrote: I see these spots in my Grafana overview. Due to their contents they could easily be suppressed before being uploaded. Like not having a locator field for the transmitter. --
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Hello
I have just started OZ0RF on 20 m and FST4W-300. I hope it helps a bit. Not the best antenna here but should work on 20 m. Bo www.rudius.net/oz2m :: www.rfzero.net |
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Rob Robinett
Hi Bo, That is great. Your 20 mW is making it to Tom in New York:  On Wed, Nov 2, 2022 at 10:23 PM Bo, OZ2M <groups.io@...> wrote: Hello --
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Erwin - PE3ES - F4VTQ
I do not think these are even false spots, they are incomplete lines of data missing a field like the locator where it reads "NOne". An incomplete line with missing data should not be uploaded. A readable line of the data I would not like to upload : 2022-10-28 22:55:00 160 9ZV/522ANV NOne F4VTQ JN28ux -999 km 3 dBm -9 dB FST4W-300
not sure why my screenshot was so beaten up ;-) in the previous post |
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on 20m and 40 m I decode you as well Bo.
But with a very high S mHz.  pi@pe3es-82:~/wsprdaemon $ wd-query -r F4VTQ 96
time | tx_call | tx_grid | rx_id | receiver | rx_grid | freq | tx_dBm | SNR | drift | mode | S width (mHz)
---------------------+------------+---------+-------+----------+---------+------------+--------+-----+-------+------+---------------
2022-11-04 09:15:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -30 | 0 | 6 | 43
2022-11-04 09:10:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -32 | 0 | 6 | 206
2022-11-04 08:15:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -26 | 0 | 6 | 375
2022-11-04 07:10:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -28 | 0 | 6 | 148
2022-11-04 07:00:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -32 | 0 | 6 | 323
2022-11-04 06:30:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -29 | 0 | 6 | 225
2022-11-04 06:20:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -20 | 0 | 6 | 112
2022-11-04 06:10:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -20 | 0 | 6 | 97
2022-11-04 00:25:00 | G6AVK | JO01 | F4VTQ | KIWI_0 | JN28ux | 0.4757901 | 17 | -31 | 0 | 6 | 13
2022-11-04 00:05:00 | G6AVK | JO01 | F4VTQ | KIWI_0 | JN28ux | 0.4757901 | 17 | -26 | 0 | 6 | 4
2022-11-03 23:20:00 | G6AVK | JO01 | F4VTQ | KIWI_0 | JN28ux | 0.4757851 | 17 | -28 | 0 | 6 | 5
2022-11-03 21:44:00 | UU7/A52MPS | NOne | F4VTQ | KIWI_0 | JN28ux | 0.4757851 | 103 | -32 | 0 | 3 | 612
2022-11-03 21:15:00 | G6AVK | JO01 | F4VTQ | KIWI_0 | JN28ux | 0.4757851 | 17 | -30 | 0 | 6 | 3
2022-11-03 19:10:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -35 | 0 | 6 | 18
2022-11-03 17:50:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -23 | 0 | 6 | 438
2022-11-03 17:40:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -22 | 0 | 6 | 31
2022-11-03 17:20:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -22 | 0 | 6 | 19
2022-11-03 17:10:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -20 | 0 | 6 | 62
2022-11-03 17:00:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401541 | 13 | -20 | 0 | 6 | 292
2022-11-03 16:50:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -25 | 0 | 6 | 217
2022-11-03 16:35:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -22 | 0 | 6 | 36
2022-11-03 16:15:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 7.0401551 | 13 | -27 | 0 | 6 | 267
2022-11-03 15:55:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -24 | 0 | 6 | 60
2022-11-03 15:50:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971561 | 13 | -22 | 0 | 6 | 67
2022-11-03 15:45:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971561 | 13 | -21 | 0 | 6 | 89
2022-11-03 14:25:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -24 | 0 | 6 | 155
2022-11-03 14:20:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -27 | 0 | 6 | 189
2022-11-03 13:55:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971561 | 13 | -29 | 0 | 6 | 57
2022-11-03 13:35:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -30 | 0 | 6 | 479
2022-11-03 13:00:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -32 | 0 | 6 | 177
2022-11-03 12:40:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -27 | 0 | 6 | 575
2022-11-03 12:35:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -28 | 0 | 6 | 73
2022-11-03 12:30:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -31 | 0 | 6 | 89
2022-11-03 12:15:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -30 | 0 | 6 | 894
2022-11-03 11:40:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -32 | 0 | 6 | 195
2022-11-03 11:35:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -30 | 0 | 6 | 188
2022-11-03 11:30:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -34 | 0 | 6 | 339
2022-11-03 11:15:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -28 | 0 | 6 | 773
2022-11-03 11:00:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971561 | 13 | -35 | 0 | 6 | 421
2022-11-03 10:40:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -32 | 0 | 6 | 366
2022-11-03 10:35:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971561 | 13 | -27 | 0 | 6 | 634
2022-11-03 10:20:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971561 | 13 | -23 | 0 | 6 | 195
2022-11-03 10:10:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -23 | 0 | 6 | 236
2022-11-03 10:05:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -22 | 0 | 6 | 71
2022-11-03 10:00:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -32 | 0 | 6 | 448
2022-11-03 09:50:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971561 | 13 | -22 | 0 | 6 | 429
2022-11-03 09:45:00 | OZ0RF | JO65 | F4VTQ | KIWI_0 | JN28ux | 14.0971551 | 13 | -20 | 0 | 6 | 213
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Thanks Erwin.
Attached is a picture of my RFzero running the FST4W beacon program. The antenna is a 16,2 m wire horizontally located and a 9:1 UN:UN. Bo www.rudius.net/oz2m :: www.rfzero.net 
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I forgot to mention that the RFzero is the one I use for development. So it is located on my desk without any kind of protection against temperature changes and perturbations. So less than 5 mHz wobble is good.
Bo www.rudius.net/oz2m :: www.rfzero.net |
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