SP4AVG — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: KO03

Receiver-side FT8 activity involving SP4AVG, decoded by SO8OO in southeastern Poland. 504 related FT8 messages, 128 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 42 UTC dates. Heard between 2026-05-01 and 2026-07-30.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

504
Related messages
128
CQ messages
42
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-01
Last seen: 2026-07-30 16:47 UTC

Activity Heatmap

Locator transmitted by SP4AVG

Approximate centre of KO03, decoded 2026-07-30 18:51 UTC. A transmitted locator is not proof of the operator's permanent location.

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 UTCBandSP4AVG S/NCounterpartCounterpart S/NMsgsCapture
07-30 18:46 40m -24 / +3 UB3DRL -2 / - 3 ✓ Closing observed
07-30 18:41 40m - / -1 OK1AY -3 / - 4 ✓ Closing fragment
07-30 18:38 40m - / -2 SP2OSP -8 / - 2 ✓ Closing fragment
07-29 18:45 40m -20 / - YL3FW - / -9 4 ✓ Closing fragment
07-29 18:41 40m -21 / - EA1IOK - / -19 3 ✓ Closing fragment
07-29 18:39 40m -22 / - RN3YN -11 / - 2 ✓ Closing observed
07-28 16:18 20m - / +2 GE3ZQQ -10 / - 2 ✓ Closing fragment
07-27 19:41 80m -4 / -19 R4ADD -7 / - 4 ✓ Closing observed
07-27 19:39 80m -1 / -6 R70OBN +9 / -6 4 ✓ Full exchange observed
07-27 19:34 80m +2 / -3 SP7SZJ +10 / -8 5 ✓ Full exchange observed
07-27 19:15 20m - / -12 R4ADD +4 / - 2 ✓ Closing fragment
07-19 12:41 10m - / +6 R7OV -20 / - 2 ✓ Closing fragment
07-19 11:58 20m -23 / - SK3BG/P - / - 2 Partial capture
07-19 11:56 20m -24 / -7 F1PSX -14 / -13 5 ✓ Full exchange observed
07-19 11:48 20m -18 / - HB9XBY - / -10 2 Partial capture
07-17 18:27 80m +3 / -8 YO9XC -2 / -11 5 ✓ Full exchange observed
07-17 18:24 80m 0 / -21 R6NA +8 / -14 9 ✓ Full exchange observed
07-16 19:31 80m -4 / - SP3MZ +12 / -2 6 ✓ Full exchange observed
07-16 19:30 80m 0 / +1 SP8ONV +7 / -7 5 ✓ Full exchange observed
07-16 19:29 80m +2 / +2 SP4MPH +10 / 0 3 Partial capture
07-16 19:27 80m -3 / +6 SP6U 0 / -11 5 ✓ Full exchange observed
07-16 19:23 80m -8 / - SQ9SET - / -6 6 Partial capture
07-16 19:22 80m -5 / - UR5WDE - / -17 2 Partial capture
07-16 19:21 80m -8 / - LY2RD -4 / -2 2 Partial capture
07-14 09:54 20m - / - DL1R -1 / - 6 Partial capture
07-13 20:27 40m -16 / - OK5ARI - / - 2 ✓ Closing fragment
07-13 20:19 40m -23 / - TJ1GD/P - / - 2 Partial capture
07-13 20:17 40m - / -12 9A7BB -22 / - 4 ✓ Closing fragment
07-13 20:16 40m -16 / - OL900JAR - / -12 2 Partial capture
06-30 19:13 80m -3 / -11 UA3SCF 0 / -6 5 ✓ Full exchange observed
06-30 19:10 80m -10 / -17 RA6ZD -2 / -12 8 ✓ Full exchange observed
06-30 19:06 80m -9 / -22 R3YAU +7 / -4 6 ✓ Full exchange observed
06-29 18:43 40m - / - SP3HIF -5 / - 2 Partial capture
06-27 18:07 40m - / -13 RC6OD -7 / - 2 ✓ Closing fragment
06-27 17:58 40m -24 / - R4FDK -23 / - 2 ✓ Closing observed
06-27 17:42 10m - / -15 SV2CLJ -4 / - 4 Partial capture
06-26 19:46 80m - / -10 SQ9LOJ +12 / - 2 ✓ Closing fragment
06-21 11:45 10m - / -14 LZ4VR -17 / - 2 ✓ Closing fragment
06-21 11:38 20m - / -8 GB1500M -6 / - 2 Partial capture
06-21 11:32 20m - / -9 G8FVE -12 / - 2 Partial capture
06-20 13:41 20m -11 / -6 LA8ENA -3 / -4 7 ✓ Full exchange observed
06-20 09:44 20m -22 / -12 PA2MD +6 / -1 3 ✓ Full exchange observed
06-20 09:22 20m - / -16 UA3LRN 0 / - 3 ✓ Closing fragment
06-19 18:30 40m -11 / - PD9KS -14 / -3 5 ✓ Closing observed
06-19 18:28 40m -11 / +1 DL6UM +1 / -7 5 ✓ Full exchange observed
06-19 18:26 40m -13 / +6 SP3CMA -2 / -3 4 ✓ Full exchange observed
06-19 18:23 40m -9 / - F6FHZ - / -11 3 ✓ Closing fragment
06-19 18:20 40m -9 / - M7HNI - / -7 5 ✓ Closing fragment
06-19 18:18 40m -12 / - RZ4FWA - / -11 2 ✓ Closing fragment
06-19 18:12 40m -15 / - G0OJJ - / -13 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
184615 -19 1540  YL3FW SP4AVG KO03 (x2)
183800  -5  929  SP4AVG SP2OSP -02 (x2)
184100  -5  621  SP4AVG OK1AY -01 (x4)
184445 -23 1888  CQ SP4AVG KO03
184630  -2  341  SP4AVG UB3DRL +03 (x2)
184715 -24 1887  UB3DRL SP4AVG 73
184815 -24 1885  PA3AGN SP4AVG RR73
185015 -21 1884  SV9QWC SP4AVG R-07
185115 -19 1884  OE4AHG SP4AVG KO03
20m
UTC    dB Audio  Message
115215 -19 1853  CQ SP4AVG KO03 (x2)
115445 -24 1847  DB1EF SP4AVG -09
115545 -16 1846  CQ SP4AVG KO03
115600 -20 1846  SP4AVG F1PSX JN08
115615 -24 1844  F1PSX SP4AVG -13
115630  -9 1846  SP4AVG F1PSX R-07
115645 -24 1844  F1PSX SP4AVG RR73
115700 -14 1846  SP4AVG F1PSX 73
115800 -23 1671  SK3BG/P SP4AVG KO03 (x2)
191500  +2  734  SP4AVG R4ADD -12 (x2)
161815 -11 1043  SP4AVG GE3ZQQ +02 (x2)
80m
UTC    dB Audio  Message
182845  -1 1769  YO9XC SP4AVG 73
193445  +0 1688  SP7SZJ SP4AVG KO03
193500 +10 1688  SP4AVG SP7SZJ -03
193515  +2 1688  SP7SZJ SP4AVG R-08
193530  +9 1688  SP4AVG SP7SZJ RR73
193545  +4 1688  SP7SZJ SP4AVG 73
193945  +6  397  SP4AVG R70OBN -06
194000  -1 1688  R70OBN SP4AVG R-06
194015 +12  397  SP4AVG R70OBN RR73
194030  -1 1688  R70OBN SP4AVG 73
194100  +0 1688  CQ SP4AVG KO03                        a1
194115 -10  946  SP4AVG R4ADD LN28 (x2)
194230  -4 1688  R4ADD SP4AVG RR73
194245  -3  946  SP4AVG R4ADD RR73
10m
UTC    dB Audio  Message
092130  -8 2635  SP4AVG F1PBZ -06
092200 -24 1895  SP4AVG PD0WL R-18 (x3)
082930 -14 1367  SP4AVG RC6OT RR73
083100  +1  670  SP4AVG <...> -19
114545 -15 1926  SP4AVG LZ4VR R-14 (x2)
125800 -19 1673  SP4AVG M0BEW -09
174215  -8  636  SP4AVG SV2CLJ -15 (x4)
124100 -20 1634  SP4AVG R7OV R+06 (x2)
60m
UTC    dB Audio  Message
192215 -18 1592  ER3UA SP4AVG R+00
192230  -5 2332  SP4AVG ER3UA RR73
192245 -17 1591  ER3UA SP4AVG 73
192315 -11 1591  CQ SP4AVG KO03                        a1
192415 -15 1590  9A3NF SP4AVG KO03 (x3)
192600 -10  923  SP4AVG 9A3NF RR73
192615 -22 1589  9A3NF SP4AVG 73
192730 -12 1230  SP4AVG IU5TTZ -12 (x2)
192900 -22 1910  SP4AVG DH1BBO -05 (x2)
192930 -14 1230  SP4AVG IU5TTZ R-14
185130 -10 1964  CQ SP4AVG KO03

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.