3Z100PKP — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland

Receiver-side FT8 activity involving 3Z100PKP, decoded by SO8OO in southeastern Poland. 4,063 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, across 16 UTC dates in the available aggregate history. Observed between 2026-09-01 and 2026-09-16.

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 4,063 FT8 messages attributed to 3Z100PKP as the transmitting token by decoded message structure across 16 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (52%), followed by 80 m (45%) and 160 m (3%). The busiest six-hour window was 02:00-08:00 UTC, containing 37% of decodes. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (75%); the estimated median was 0 dB.

Overview

4,063
Messages attributed
16
UTC dates decoded
252
Active 15-min windows
0 dB
Estimated median S/N

Bands

160m · 104 80m · 1,840 40m · 2,119
First attributed message: 2026-09-01
Last attributed message: 2026-09-16 02:54 UTC

Observed FT8 message patterns

Attributed sample
4,063 messages
Active dates
16 UTC dates
Estimated median S/N
0 dB
Estimated 10th-90th percentile
-13 to +13 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 178, moderate (-15 to -9 dB) 850, strong (≥ -8 dB) 3,035.

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 3Z100PKP 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 UTCBand3Z100PKP S/NCounterpartCounterpart S/NMsgsCapture
09-16 06:33 40m - / -15 F1NQP -4 / - 2 Partial capture
09-16 06:08 40m - / -19 EC5M -21 / - 6 Partial capture
09-16 04:48 80m - / -19 EA5JKB -12 / - 2 Partial capture
09-16 03:00 80m - / - RW6HP -14 / - 2 Partial capture
09-16 02:50 80m -5 / - <...> -7 / - 5 ✓ Closing fragment
09-16 02:47 80m -2 / - W3UCA - / -23 4 Partial capture
09-16 02:41 80m -10 / -9 SQ7OBB -15 / -6 2 Partial capture
09-16 02:38 80m -12 / -6 PA3BUD -2 / -3 5 Partial capture
09-16 02:36 80m -3 / - <...> -2 / - 10 ✓ Closing fragment
09-16 02:34 80m +4 / - DG4CG -15 / +6 6 Partial capture
09-16 02:34 80m +5 / - EB3JT -24 / -14 4 Partial capture
09-16 02:33 80m - / - S51TN 0 / - 4 Partial capture
09-16 02:32 80m +2 / - <...> -24 / - 5 ✓ Closing fragment
09-16 02:30 80m -7 / -21 VE3XN -20 / -11 9 Partial capture
09-16 02:29 80m - / - 9A5E +11 / - 6 Partial capture
09-16 02:29 80m - / +7 DG4CG -2 / - 4 Partial capture
09-16 02:28 80m -11 / - DJ7XY -18 / -10 2 Partial capture
09-16 02:26 80m -7 / - <...> +5 / - 2 ✓ Closing fragment
09-16 02:25 80m - / - EB3JT -23 / - 2 Partial capture
09-16 02:21 80m +1 / -8 EC3A -13 / -5 4 Partial capture
09-16 02:19 80m -2 / - <...> -12 / - 7 ✓ Closing fragment
09-16 02:19 80m 0 / -6 UA4WCS -19 / -13 3 Partial capture
09-16 02:17 80m -5 / - R7BN -5 / -6 2 Partial capture
09-15 22:59 40m - / - G1ZHD -4 / - 3 Partial capture
09-15 22:22 80m - / -26 VO1CH -11 / - 3 Partial capture
09-15 21:34 80m - / -9 RY7F -14 / - 2 Partial capture
09-15 21:34 80m - / +1 YO6LM +11 / - 2 Partial capture
09-15 21:25 80m - / -5 EA1R -12 / - 2 Partial capture
09-15 21:12 80m +7 / -3 SQ3DAB -10 / -7 3 Partial capture
09-15 21:09 80m +9 / - <...> -2 / - 2 ✓ Closing fragment
09-15 21:08 80m +6 / - DA6HU - / -12 2 Partial capture
09-15 21:07 80m +10 / - DK4BP - / -17 2 Partial capture
09-15 21:03 80m +8 / - DC1IK - / -13 2 Partial capture
09-15 21:00 80m - / -14 YO6BLM +6 / - 2 Partial capture
09-15 20:54 80m +9 / - <...> -5 / - 5 ✓ Closing fragment
09-15 20:53 80m +8 / -6 S56UVB -4 / -13 3 Partial capture
09-15 20:48 80m - / +2 SP9TBT +5 / - 7 Partial capture
09-15 20:46 80m +14 / +7 LY2MM 0 / +8 3 Partial capture
09-15 20:46 80m +6 / - <...> -2 / - 4 ✓ Closing fragment
09-15 20:46 80m - / - DO5RBB -14 / - 6 Partial capture
09-15 20:43 80m +5 / +1 SP7VCL +8 / +7 7 Partial capture
09-15 20:42 80m +5 / - <...> -16 / - 2 ✓ Closing fragment
09-15 20:39 80m +1 / - <...> -8 / - 2 ✓ Closing fragment
09-15 20:36 80m +3 / -1 SP1I -8 / -4 3 Partial capture
09-15 20:31 80m +6 / -12 IK7QMJ -12 / -11 3 Partial capture
09-15 20:31 80m +6 / - <...> -9 / - 4 ✓ Closing fragment
09-15 20:29 80m +3 / -2 SP7VCL +7 / +5 5 ✓ Full exchange observed
09-15 20:27 80m +10 / - SV9MBH - / -19 2 Partial capture
09-15 20:18 80m +2 / +2 DO5RBB -14 / -6 3 Partial capture
09-15 20:18 80m +9 / - <...> -3 / - 10 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
183815  +0 1406  SP6SOZ 3Z100PKP +00
202315 -13 1085  3Z100PKP G7RCQ RR73
203615 -18 1089  3Z100PKP DM5KN JO30
225945  -2 1089  3Z100PKP G1ZHD IO92 (x3)
024015  +5 2557  3Z100PKP R6TY -05
060815 -24 1448  3Z100PKP EC5M R-19 (x6)
063315  -4 1032  3Z100PKP F1NQP JN19 (x2)
80m 
UTC    dB Audio  Message
025015 -13 1612  <3Z100PKP> RW6HP R-05
025015  -2  951  3Z100PKP <...> 73
025030  +2 1147  <...> 3Z100PKP RR73
025045 -12 1612  3Z100PKP <...> 73
025130  -8 1147  <...> 3Z100PKP RR73
025200  -7 1147  CQ 3Z100PKP
025300  -9 1147  <...> 3Z100PKP RR73
025330  -6 1147  CQ 3Z100PKP (x2)
030015 -15 1612  3Z100PKP RW6HP LN14 (x2)
031015  +0 1203  3Z100PKP YT1DDL KN04
044515 -24 1673  3Z100PKP IW9FRA JM68
044815 -11 1243  3Z100PKP EA5JKB -19 (x2)
160m 
UTC    dB Audio  Message
204615  +5 1503  3Z100PKP US2YW KN28
204615 -13 1962  3Z100PKP RW1CW R-16
204645  +7 1503  3Z100PKP US2YW KN28
204645 -14 1962  3Z100PKP RW1CW R-16
204700  -4 1503  YL3KZ 3Z100PKP -06
204715 -13 1962  3Z100PKP RW1CW R-16
204730  -9 1503  YL3KZ 3Z100PKP -03
204745 -14 1962  3Z100PKP RW1CW R-16
204800 -14 1503  YL3KZ 3Z100PKP -03
204815 -14 1962  3Z100PKP RW1CW R-16 (x3)
165430 -11 1754  3Z100PKP RC9F R-09
185345  -3  921  3Z100PKP ON7ZO JO20 (x2)

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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