SN31ROT — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland

Receiver-side FT8 activity involving SN31ROT, decoded by SO8OO in southeastern Poland. 1,668 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, across 14 UTC dates in the available aggregate history. Observed between 2026-06-24 and 2026-09-12.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 1,668 FT8 messages attributed to SN31ROT as the transmitting token by decoded message structure across 14 UTC dates in the available aggregate history. The largest monitored-band total was 60 m (52%), followed by 80 m (36%) and 40 m (12%). Most decodes (96%) fell within the six-hour window 17:00-23:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (96%); the estimated median was +6 dB.

Overview

1,668
Messages attributed
14
UTC dates decoded
81
Active 15-min windows
+6 dB
Estimated median S/N

Bands

80m · 605 60m · 860 40m · 202 20m · 1
First attributed message: 2026-06-24
Last attributed message: 2026-09-12 04:49 UTC

Observed FT8 message patterns

Attributed sample
1,668 messages
Active dates
14 UTC dates
Estimated median S/N
+6 dB
Estimated 10th-90th percentile
-3 to +13 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 16, moderate (-15 to -9 dB) 55, strong (≥ -8 dB) 1,597.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with SN31ROT in decoded directed-looking exchanges:

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Observed FT8 exchanges

S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.

Time UTCBandSN31ROT S/NCounterpartCounterpart S/NMsgsCapture
09-12 04:47 40m -17 / - D44TWO -11 / - 5 ✓ Closing observed
09-11 23:14 60m - / -1 PG7R -2 / - 2 Partial capture
09-11 22:54 60m - / -1 DL1UDO +2 / - 2 Partial capture
09-11 22:05 40m - / - F1SAA +2 / - 3 Partial capture
09-11 22:04 40m 0 / - Z335MK - / - 2 ✓ Closing fragment
09-11 20:52 60m - / +3 DL1MST -18 / - 2 Partial capture
09-11 20:52 60m - / -15 OH5VX -6 / - 2 Partial capture
09-11 20:39 40m - / - <...> -14 / - 2 ✓ Closing fragment
09-11 20:32 60m - / - DG0OAT +5 / - 2 Partial capture
09-11 20:26 60m - / - DG0OAT +6 / - 2 Partial capture
09-11 20:19 60m - / - SV1DZB -13 / - 3 Partial capture
09-11 20:16 60m -10 / - EA3JL - / -5 2 Partial capture
09-11 20:15 60m -10 / - <...> -10 / - 4 ✓ Closing fragment
09-11 20:14 60m -10 / +9 HA5CPN -10 / -2 3 Partial capture
09-11 20:11 60m -12 / - G8CVS -12 / -14 2 Partial capture
09-11 20:10 60m -10 / - <...> -6 / - 4 ✓ Closing fragment
09-11 20:10 60m -14 / -8 9K2HS -4 / -4 4 Partial capture
09-11 20:03 60m -2 / -5 ON8PR -21 / -11 3 Partial capture
09-11 20:03 60m - / -4 PI4TX -12 / - 3 Partial capture
09-11 19:59 60m +3 / -8 EC3A -16 / -8 2 Partial capture
09-11 19:59 60m +2 / - <...> -12 / - 10 ✓ Closing fragment
09-11 19:58 60m +5 / - F5JAE -18 / -7 2 Partial capture
09-11 19:57 60m - / - DL9KM -15 / - 3 Partial capture
09-11 19:52 60m +5 / +1 SP3CMA +8 / -4 3 Partial capture
09-11 19:51 60m +3 / - <...> -3 / - 10 ✓ Closing fragment
09-11 19:35 60m +1 / - <...> +5 / - 4 ✓ Closing fragment
09-11 19:30 60m +2 / - I3QDK -8 / -1 3 Partial capture
09-11 19:30 60m +3 / - OH3GBW - / -3 3 Partial capture
09-11 19:29 60m +6 / - <...> -13 / - 2 ✓ Closing fragment
09-11 19:25 60m +12 / - DL1DOS -12 / -14 3 ✓ Closing observed
09-11 19:24 60m +12 / - <...> +7 / - 5 ✓ Closing fragment
09-11 19:23 60m +6 / 0 SP6EFY 0 / -2 3 Partial capture
09-11 18:37 60m - / - F1RAU -11 / - 3 Partial capture
09-10 21:43 60m - / -6 IU5HIU -18 / - 3 Partial capture
09-10 21:31 60m - / - F1SAA -23 / - 2 Partial capture
09-10 21:30 60m - / -3 DK1CE -7 / - 3 Partial capture
09-10 21:28 60m - / - <...> -2 / - 4 ✓ Closing fragment
09-10 21:21 60m - / -7 DL3BH -7 / - 2 Partial capture
09-10 21:20 60m - / -12 DF8AA +8 / - 2 Partial capture
09-10 21:18 60m - / -4 DL3BH -6 / - 2 Partial capture
09-10 21:16 60m -23 / - <...> -8 / - 5 ✓ Closing fragment
09-08 20:48 80m - / -8 EW8CW -7 / - 2 Partial capture
09-08 19:39 80m - / -13 F4JCU -9 / - 3 Partial capture
09-08 19:37 80m - / -2 UR5TMT +8 / - 2 Partial capture
09-08 19:32 80m - / - UR5TOC +9 / - 5 Partial capture
09-08 18:22 80m - / - UR5TOC -5 / - 2 Partial capture
09-08 17:49 80m - / -16 R7DX +10 / - 4 Partial capture
09-08 16:00 80m - / -15 R6KA +2 / - 6 Partial capture
09-08 15:48 80m - / - R6KA +4 / - 12 Partial capture
09-08 14:46 40m - / - RA9CMO -1 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

40m 
UTC    dB Audio  Message
213145  -5 1602  SN31ROT <...> 73 (x2)
214545 -24 2140  SN31ROT RW9MZ MO74
215945 -16 2339  SN31ROT M0PEL R-15
220315  -3  821  SN31ROT <...> 73
220415  -2  821  Z335MK SN31ROT 73 (x2)
220545  +1 2339  SN31ROT F1SAA JN25 (x3)
044715 -17 2325  <D44TWO> SN31ROT (x3)
044930 -11 2320  SN31ROT D44TWO RR73
044945 -15 2354  <D44TWO> SN31ROT 73
60m 
UTC    dB Audio  Message
202630  +5 2856  SN31ROT DG0OAT JO62
202630  -4 1595  CQ SN31ROT
202700  +7 2856  SN31ROT DG0OAT JO62 (x3)
205215  -8 1332  SN31ROT OH5VX KP30
205230 -17 1808  SN31ROT DL1MST JO30
205245  -4 1332  SN31ROT OH5VX R-15
205300 -18 1808  SN31ROT DL1MST R+03
205830 -13 1529  SN31ROT F1OGW R-01
210915  -8  634  SN31ROT GE7RTI R-16
225445  +4 1299  SN31ROT DL1UDO JO31 (x2)
231445  -2 2099  SN31ROT PG7R JO22 (x2)
80m 
UTC    dB Audio  Message
192745 -17 1856  SN31ROT HA8DG JN96
193245 +11 1498  SN31ROT UR5TOC KO30 (x5)
193715  +7 1497  SN31ROT UR5TMT KO30 (x2)
193945  -2  915  SN31ROT F4EGM JN29
193945  -9 1495  SN31ROT F4JCU JN16 (x3)
194245  -1  916  SN31ROT F4EGM R-05
204830 -10 1856  SN31ROT EW8CW KO52 (x2)
20m 
UTC    dB Audio  Message
080945 -18 2221  SN31ROT <...> RR73 (x3)
190830 -24 1329  SN31ROT CT1GFK IM67 (x2)
191000 -17 1330  SN31ROT CT3MD IM13 (x4)
122815 -14 2548  SN31ROT <...> 73
195015 -13 2494  <IH9YMC> SN31ROT
204415  -7 2480  SN31ROT IU2WCY JN45 (x4)
10m 
UTC    dB Audio  Message
162715  +2  383  SN31ROT <...> 73

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

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