SP4BP — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: Poland Most frequent locator attributed to this token: KO03

Receiver-side FT8 activity involving SP4BP, decoded by SO8OO in southeastern Poland. 201 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 29 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-10-19.

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 201 FT8 messages attributed to SP4BP as the transmitting token by decoded message structure across 29 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (67%), followed by 80 m (29%) and 20 m (3%). Most decodes (57%) fell within the six-hour window 03:00-09:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.

Overview

201
Messages attributed
29
UTC dates decoded
39
Active 15-min windows
-9 dB
Estimated median S/N

Bands

80m · 59 40m · 135 20m · 7
First attributed message: 2026-06-10
Last attributed message: 2026-10-19 08:33 UTC

Observed FT8 message patterns

Attributed sample
201 messages
Active dates
29 UTC dates
Estimated median S/N
-9 dB
Estimated 10th-90th percentile
-18 to -1 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 33, moderate (-15 to -9 dB) 71, strong (≥ -8 dB) 97.

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 SP4BP 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.

Most frequent locator attributed to SP4BP

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator
KO03 · 154 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
400 km (approx.)
Last such locator decoded
2026-10-19 08:32 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

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 UTCBandSP4BP S/NCounterpartCounterpart S/NMsgsCapture
10-23 23:47 40m - / -8 TA2VUZ -23 / - 2 ✓ Closing fragment
10-19 08:32 40m -12 / 0 SQ9SZ -6 / - 6 ✓ Full exchange observed
10-19 07:58 40m -15 / - SP2MGR/P - / - 2 Partial capture
10-19 07:56 40m -17 / -8 SP4GDW -17 / - 6 ✓ Full exchange observed
10-19 07:52 40m -16 / - SP2MGR/P - / - 7 Partial capture
10-14 06:47 40m -13 / -14 SQ8V -6 / +1 9 ✓ Full exchange observed
10-10 07:06 40m -13 / - IN3IBW +3 / - 2 ✓ Closing observed
10-10 07:04 40m -16 / - SQ5ANT - / +8 2 Partial capture
10-09 04:52 80m - / -7 IN3IBW +5 / - 4 ✓ Closing fragment
10-09 04:50 80m - / - SP6FME +7 / - 2 Partial capture
10-09 04:48 80m -1 / -3 SQ5ANT +1 / +4 7 ✓ Full exchange observed
10-08 06:38 80m -3 / - DL7PIA - / - 6 Partial capture
10-08 06:16 80m -11 / -14 DL7PIA -2 / - 8 Partial capture
10-07 15:41 40m - / -6 DL7PIA -9 / - 4 ✓ Closing fragment
10-05 15:33 40m -7 / - S79KW - / - 10 Partial capture
10-05 15:27 40m -4 / -2 DL7PIA -5 / -5 10 ✓ Full exchange observed
10-01 06:35 80m -20 / - OZ6YN - / -8 5 ✓ Closing fragment
10-01 06:31 80m -14 / - SM7TZK - / - 4 Partial capture
09-23 08:11 40m - / +1 HF100PKP -12 / - 2 Partial capture
09-22 06:51 40m -6 / - W3EWL/QRP - / - 5 Partial capture
09-22 06:47 40m -3 / - DK100LH - / - 5 Partial capture
09-19 15:46 40m -2 / - YU65AEC - / - 4 Partial capture
09-15 06:22 40m - / -10 GJ0KYZ -14 / - 3 Partial capture
09-11 12:43 40m -8 / - II8IHBC - / +8 5 Partial capture
09-11 12:36 40m -8 / - II8IHBC - / - 7 Partial capture
09-09 08:28 40m -7 / - DK8HC - / -6 3 Partial capture
09-09 08:25 40m -8 / -5 DK7UY -18 / +6 5 ✓ Full exchange observed
09-09 08:23 40m -8 / +3 3Z100PKP -9 / -5 4 Partial capture
09-09 08:22 40m -12 / - SO100PKP - / +3 2 Partial capture
09-07 08:07 40m -12 / - R73SLET - / - 2 Partial capture
09-05 06:13 40m - / -16 SP100PKP +16 / - 2 Partial capture
09-05 06:12 40m -8 / - SQ2RBY/P - / -11 4 Partial capture
09-04 10:35 40m -16 / - <...> - / - 2 Partial capture
09-03 05:38 40m -6 / - <...> - / +1 3 Partial capture
08-25 03:31 40m - / -10 II7MGBT +4 / - 3 Partial capture
08-24 06:27 40m -7 / - <...> - / +4 10 Partial capture
08-21 05:36 40m -9 / - HI3JCC - / - 9 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
075700 -18 1936  SP4BP SP4GDW R-08
075715 -19 1142  SP4GDW SP4BP +14 (x2)
075845 -15 1142  SP2MGR/P SP4BP KO03 (x2)
080315  -8 1142  WZ8S SP4BP KO03
081030 -11 1142  NF3R SP4BP KO03
083215 -12 1142  SQ9SZ SP4BP KO03 (x2)
083300  -6 2249  SP4BP SQ9SZ +00
083315  -9 1142  SQ9SZ SP4BP R+24
083330  -7 2248  SP4BP SQ9SZ RR73
083345 -13 1142  SQ9SZ SP4BP 73
234745 -22 1942  SP4BP TA2VUZ -08 (x2)
80m 
UTC    dB Audio  Message
044815  -2 1405  SQ5ANT SP4BP KO03
044830  -3 2311  SP4BP SQ5ANT -03
044845  +2 2206  SQ5ANT SP4BP KO03
044900  +3 2311  SP4BP SQ5ANT -05
044915  -1 2207  SQ5ANT SP4BP R+04
044930  +3 2311  SP4BP SQ5ANT RR73
044945  -2 2207  SQ5ANT SP4BP 73
045000  +9 2208  SP4BP SP6FME JO90
045030  -9 2466  SP4BP SQ2RAD +04
045030  +5 2208  SP4BP SP6FME JO90
045100  -7 2466  SP4BP RR73; DO9YU <...> -04
045200  +2 1175  SP4BP IN3IBW -07 (x4)
20m 
UTC    dB Audio  Message
160500 -21 1756  SP4BP II7MGXX +08

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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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