SP1ZS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: JO73

Receiver-side FT8 activity involving SP1ZS, decoded by SO8OO in southeastern Poland. 166 related FT8 messages, 2 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 31 UTC dates. Heard between 2026-05-29 and 2026-08-23.

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

166
Related messages
2
CQ messages
31
UTC dates heard
-5 dB
Mean decoder S/N

Bands

First seen: 2026-05-29
Last seen: 2026-08-23 02:52 UTC

Activity Heatmap

Locator transmitted by SP1ZS

Approximate centre of JO73, decoded 2026-08-21 07:00 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 UTCBandSP1ZS S/NCounterpartCounterpart S/NMsgsCapture
08-23 04:51 20m - / -9 UB4CJS +6 / - 2 ✓ Closing fragment
08-22 06:26 20m - / 0 PF1B -12 / - 2 Partial capture
08-21 06:53 20m -7 / - YO6LM - / -18 3 ✓ Closing fragment
08-21 06:50 20m -6 / - VK3LV - / -16 6 ✓ Closing fragment
08-21 06:46 20m -8 / - VK2USH - / -19 6 ✓ Closing fragment
08-21 06:43 20m 0 / - VK3YW - / -8 6 ✓ Closing fragment
08-21 06:41 20m -1 / - VK2USH - / -12 3 Partial capture
08-11 18:49 10m - / +5 EA8UP -7 / - 2 ✓ Closing fragment
08-10 04:02 20m - / - OD5KU +5 / - 3 Partial capture
08-09 08:06 10m - / +5 F4BYF -10 / - 2 ✓ Closing fragment
08-06 04:49 20m - / -11 UA4FKT -6 / - 2 Partial capture
07-30 04:20 20m - / - OD5KU +3 / - 7 Partial capture
07-17 04:42 20m - / - OD5KU +3 / - 3 Partial capture
07-16 04:51 20m - / - OD5KU -6 / - 7 Partial capture
07-15 20:03 160m - / -16 SP6TL 0 / - 2 ✓ Closing fragment
07-15 04:44 20m - / -3 UA3PAB -20 / - 2 Partial capture
07-14 23:31 80m -14 / - G8IHT -4 / -15 7 ✓ Full exchange observed
07-14 23:28 80m -10 / - IN3IZQ - / -18 2 Partial capture
07-14 23:25 80m -7 / - NX4ZCP - / -23 4 ✓ Closing fragment
07-14 23:22 80m -5 / 0 SN93LOT +17 / - 2 Partial capture
07-14 23:13 80m -5 / +4 SN93LOT +16 / - 4 Partial capture
07-14 15:03 10m - / -12 F4FSY -18 / - 2 ✓ Closing fragment
07-14 04:36 20m - / - OD5KU +12 / - 8 Partial capture
07-14 04:16 20m - / - UA3PAB -16 / - 4 ✓ Closing fragment
07-14 01:21 80m - / - DK5WL -6 / - 3 Partial capture
07-14 01:18 80m -20 / -12 OH1HB +6 / -16 8 ✓ Full exchange observed
07-14 01:17 80m -24 / - DF2GH +12 / - 2 ✓ Closing observed
07-14 01:08 80m -13 / - RC6OD - / -8 4 ✓ Closing fragment
07-14 01:07 80m -8 / -16 HA7TM +20 / +1 5 ✓ Full exchange observed
07-09 04:38 20m - / - RZ4FWA -10 / - 3 Partial capture
07-07 04:52 20m -16 / - K7AKT - / -14 4 ✓ Closing fragment
07-07 04:47 20m - / -15 DK7ZT -22 / - 2 Partial capture
07-07 04:41 20m -18 / - OA4EFA - / -18 4 ✓ Closing fragment
07-07 04:16 20m -24 / - R7MP -15 / 0 3 ✓ Closing observed
07-03 04:20 20m - / -4 RC9WC -18 / - 2 Partial capture
06-24 04:27 20m - / - RX3ASQ -20 / - 2 Partial capture
06-19 04:36 20m - / -15 KA9EKJ -16 / - 5 Partial capture
06-19 04:33 20m - / -6 5Z4VJ +10 / - 2 ✓ Closing fragment
06-18 04:48 20m - / - RZ4FWA -11 / - 4 Partial capture
06-18 04:46 20m - / -3 VK3TZ -1 / - 5 ✓ Closing fragment
06-12 04:49 20m -12 / - VK4AH - / -8 2 Partial capture
06-12 04:38 20m - / -10 ES2AJ +16 / - 2 ✓ Closing fragment
06-11 20:28 10m - / -6 RN3DN +14 / - 2 ✓ Closing fragment
06-11 20:21 10m - / -16 PY2AMP -11 / - 4 ✓ Closing fragment
06-11 04:46 20m - / - RZ4FWA -10 / - 4 Partial capture
06-11 04:36 20m - / - UB3DQR -6 / - 2 ✓ Closing fragment
06-11 04:34 20m - / -18 TI5RR -16 / - 2 ✓ Closing fragment
06-11 04:32 20m - / -12 VK3GE -18 / - 2 Partial capture
06-10 21:43 10m - / -4 F4HTA -9 / - 2 ✓ Closing fragment
06-10 21:09 10m - / +7 F1PBZ -1 / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
065100  -5  980  VK3LV SP1ZS -16 (x4)
065330  -5  803  YO6LM SP1ZS R-18 (x3)
065500 -18 1303  VK5RJ SP1ZS JO73
070030 -16  854  VK2ALS SP1ZS JO73
062645 -12  993  SP1ZS PF1B JO22 (x2)
044330 -11  272  SP1ZS ZL1OGX RR73
044615 -19 1259  SP1ZS ZL2BX -03
045145  +3  742  SP1ZS UB4CJS -09 (x2)
10m
UTC    dB Audio  Message
202800 +12  507  SP1ZS RN3DN R-06 (x2)
200600 -12  533  SP1ZS CE3SOC RR73
200830 -24 1155  SP1ZS CE3OQA -19
201500  -4  935  SP1ZS PP2RR RR73
150800 -19 1598  SP1ZS EA8DLW -13 (x2)
152930 -10 1435  SP1ZS 7Q9BK RR73
150345 -17 1590  SP1ZS F4FSY -12 (x2)
081400 -12  786  SP1ZS 4Z5ML -10
080600 -10  833  SP1ZS F4BYF +05 (x2)
184930  -8 1213  SP1ZS EA8UP +05 (x2)
160m
UTC    dB Audio  Message
200300  +0 1598  SP1ZS SP6TL -16 (x2)
80m
UTC    dB Audio  Message
232230 +17  814  SP1ZS SN93LOT +00
232245  -5  813  SN93LOT SP1ZS R+19
232530 -14 1218  NX4ZCP SP1ZS JO73 (x4)
232830 -11 1694  IN3IZQ SP1ZS JO73 (x2)
233100 -17 1363  G8IHT SP1ZS JO73 (x4)
233245  -4 1362  SP1ZS G8IHT 73 (x3)
40m
UTC    dB Audio  Message
014845  -2 2654  SP1ZS F5HNQ IN98
015215  +4 2762  SP1ZS IQ4JO JN63

Decoder S/N history by band

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