SP4OIU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: JO93

Receiver-side FT8 activity involving SP4OIU, decoded by SO8OO in southeastern Poland. 101 related FT8 messages, 20 CQ messages, observed on 40m, 20m, across 14 UTC dates. Heard between 2026-05-29 and 2026-08-25.

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

101
Related messages
20
CQ messages
14
UTC dates heard
-9 dB
Mean decoder S/N

Bands

First seen: 2026-05-29
Last seen: 2026-08-25 14:27 UTC

Activity Heatmap

Locator transmitted by SP4OIU

Approximate centre of JO93, decoded 2026-08-25 16:26 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 UTCBandSP4OIU S/NCounterpartCounterpart S/NMsgsCapture
08-25 16:26 40m -6 / -8 LA5AKA/P -4 / -15 4 ✓ Full exchange observed
08-21 16:31 20m - / -17 EX7CQ -18 / - 2 Partial capture
07-19 14:12 20m - / -8 YO4GOU -12 / - 3 ✓ Closing fragment
07-19 14:03 20m -16 / - E77FN -13 / - 2 ✓ Closing observed
07-13 14:27 20m -10 / - DL9YNG - / 0 2 ✓ Closing fragment
07-13 14:19 20m -4 / - CN2DX -18 / -7 13 ✓ Closing observed
07-13 14:17 20m -6 / - 9H4JX - / -21 4 ✓ Closing fragment
07-13 14:13 20m -4 / - OK1UOZ - / - 2 ✓ Closing fragment
07-13 14:04 20m -10 / - CN2DX - / - 11 Partial capture
07-13 13:59 20m -6 / - LA2GCA - / -1 6 ✓ Closing fragment
06-18 14:37 20m - / -4 IQ9NI +5 / - 3 Partial capture
06-16 06:18 20m - / -4 F5IXN -6 / - 2 ✓ Closing fragment
06-16 06:17 20m - / -23 IQ9NI -2 / - 2 ✓ Closing fragment
06-13 14:46 20m - / -7 GU7DAI -10 / - 4 ✓ Closing fragment
06-13 14:39 40m -18 / - SN0AK -17 / - 3 ✓ Closing observed
06-06 15:07 40m - / - HA5KN +1 / - 5 Partial capture
06-06 15:01 20m - / -6 F5DGQ -3 / - 7 Partial capture
06-06 14:51 20m - / -6 R1BED -7 / - 3 ✓ Closing fragment
06-06 14:49 20m - / - G4DBW -20 / - 2 Partial capture
05-30 06:29 20m - / - F4PCM -6 / - 2 Partial capture
05-30 06:21 20m - / - R1BDX -16 / - 2 ✓ Closing fragment
05-30 06:11 40m -23 / -12 UA3PAB -18 / -24 5 ✓ Full exchange observed
05-30 06:04 40m - / -16 F4LNM -16 / - 4 ✓ Closing fragment
05-29 16:53 20m - / -13 UN3P -2 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
150700 -22 1437  CQ SP4OIU JO93                        a1
150715  -4 2643  SP4OIU HA5KN JN97
150730  -9 1437  CQ SP4OIU JO93
150745  -3 2643  SP4OIU HA5KN JN97 (x4)
143945 -15 1437  SN0AK SP4OIU JO93
144030 -17 1731  SP4OIU SN0AK RR73
144045 -20 1437  SN0AK SP4OIU 73
144100 -15 1103  SP4OIU UT7HX KN69
162645  -6 2685  LA5AKA/P SP4OIU JO93
162700  -5 2776  SP4OIU LA5AKA/P -08
162715  -6 2685  LA5AKA/P SP4OIU R-15
162730  -3 2776  SP4OIU LA5AKA/P RR73
20m
UTC    dB Audio  Message
143145  -4 1465  CQ SP4OIU JO93 (x4)
140330 -13 1437  SP4OIU E77FN RR73
140345 -16 1463  E77FN SP4OIU 73
141115 -19 1463  CQ SP4OIU JO93
141130  -2 2775  SP4OIU F1PBZ -10
141145 -20 1463  CQ SP4OIU JO93                        a1
141230 -10 1463  SP4OIU YO4GOU KN35 (x3)
054115 -24 1688  SP4OIU IS0KNG -11
163100 -19 1764  SP4OIU EX7CQ -17 (x2)

Decoder S/N history by band

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