G4ZCS — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving G4ZCS, decoded by SO8OO in southeastern Poland. 192 related FT8 messages, 54 CQ messages, observed on 60m, 40m, 20m, 10m, across 16 UTC dates. Heard between 2026-05-18 and 2026-08-16.
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
Frequent QSO partners observed at SO8OO
Stations G4ZCS worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by G4ZCS
Approximate centre of IO90, decoded 2026-08-16 19:32 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 UTC | Band | G4ZCS S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-16 19:53 | 20m | - / -2 | R2PM | -11 / - | 2 | Partial capture |
| 08-16 19:38 | 20m | - / - | DG2EBG | -13 / - | 2 | Partial capture |
| 08-16 19:32 | 20m | - / -12 | DL3RAJ | -18 / - | 3 | Partial capture |
| 08-16 19:29 | 20m | -14 / - | JI4POR | - / -3 | 4 | ✓ Closing fragment |
| 08-16 19:20 | 20m | -16 / - | DK4RH | -16 / - | 2 | ✓ Closing observed |
| 08-16 19:17 | 20m | -10 / +4 | DL8DUL | -12 / - | 4 | ✓ Closing observed |
| 08-16 19:10 | 20m | -18 / - | DK1FF | - / -7 | 2 | ✓ Closing fragment |
| 08-16 18:58 | 20m | -7 / -12 | DB1EF | -19 / -15 | 4 | ✓ Full exchange observed |
| 08-16 18:51 | 20m | -12 / -10 | DK3TNA | -5 / -11 | 4 | Partial capture |
| 08-16 18:51 | 20m | - / - | DL1R | +4 / - | 9 | Partial capture |
| 08-16 15:34 | 20m | - / - | PD0IFI | 0 / - | 4 | Partial capture |
| 08-12 20:47 | 20m | -20 / - | EA1FRP | - / -9 | 2 | ✓ Closing fragment |
| 08-12 20:44 | 20m | -18 / -8 | DH2RL | -4 / - | 4 | ✓ Closing observed |
| 08-12 20:42 | 20m | -16 / -2 | F4GRW | -6 / -4 | 5 | ✓ Full exchange observed |
| 08-12 20:38 | 20m | -16 / -3 | F1PBZ | -6 / +1 | 5 | ✓ Full exchange observed |
| 08-12 20:35 | 20m | -18 / - | M7MJW | - / -15 | 3 | Partial capture |
| 08-12 20:09 | 20m | -16 / - | YO6PNM | - / -14 | 3 | Partial capture |
| 08-12 20:08 | 20m | -21 / +9 | DH1JAD | -20 / -13 | 3 | ✓ Full exchange observed |
| 08-12 20:07 | 20m | -20 / - | DH1HF | - / -9 | 2 | ✓ Closing fragment |
| 08-12 20:05 | 20m | -18 / -21 | M0SLI | -8 / -16 | 6 | ✓ Full exchange observed |
| 08-12 19:56 | 20m | -18 / -2 | DL7RAY | -14 / - | 3 | ✓ Closing observed |
| 08-12 19:56 | 20m | - / -8 | I1FLC | -19 / - | 2 | Partial capture |
| 08-12 19:53 | 20m | -19 / - | PC2J | -22 / -7 | 3 | ✓ Closing observed |
| 08-12 19:52 | 20m | - / - | OS4K | -20 / - | 3 | Partial capture |
| 08-12 19:51 | 20m | -16 / - | 3A2MW | - / -13 | 2 | ✓ Closing fragment |
| 08-05 18:11 | 40m | -20 / - | DJ7WG | -18 / - | 3 | ✓ Closing observed |
| 08-05 18:07 | 40m | - / 0 | F5RRS | -16 / - | 2 | Partial capture |
| 07-26 20:01 | 20m | -6 / - | SP9DAT | - / -10 | 2 | ✓ Closing fragment |
| 07-26 20:00 | 20m | - / +1 | IS0/IK2YCW | -4 / - | 5 | ✓ Closing fragment |
| 07-26 19:59 | 20m | -1 / 0 | S57FF | -4 / -18 | 5 | ✓ Full exchange observed |
| 07-26 19:55 | 20m | -10 / - | PY2GIG | - / -13 | 2 | ✓ Closing fragment |
| 07-26 19:53 | 20m | - / - | RA6OY | -8 / - | 5 | Partial capture |
| 07-26 19:53 | 20m | -8 / +4 | RN6MA | +6 / -3 | 4 | ✓ Full exchange observed |
| 07-26 19:50 | 20m | -4 / - | RA3TVW | +5 / - | 5 | ✓ Closing observed |
| 07-26 19:45 | 20m | -6 / - | DS5USH | - / - | 4 | Partial capture |
| 07-26 19:43 | 20m | -7 / - | LB6LK | - / - | 3 | Partial capture |
| 07-21 19:39 | 20m | -3 / +1 | F1PBZ | 0 / +3 | 3 | ✓ Full exchange observed |
| 07-21 19:36 | 20m | -6 / - | R3BDI | - / -13 | 2 | ✓ Closing fragment |
| 07-21 19:34 | 20m | -8 / - | BG7BVI | - / - | 2 | Partial capture |
| 07-21 19:30 | 20m | -6 / - | 5N0YEN | - / - | 2 | Partial capture |
| 07-21 19:28 | 20m | -6 / - | RK3AQ | - / -11 | 2 | ✓ Closing fragment |
| 07-21 19:26 | 20m | -3 / - | BI4MPH | - / -20 | 3 | ✓ Closing fragment |
| 07-21 19:21 | 20m | - / -15 | BI4XDT | -8 / - | 3 | ✓ Closing fragment |
| 07-21 19:12 | 20m | - / -14 | 7Z1BM | -12 / - | 3 | ✓ Closing fragment |
| 07-21 16:28 | 20m | - / +2 | CN2DX | -9 / - | 2 | ✓ Closing fragment |
| 07-15 19:17 | 20m | -15 / - | VY0ERC | - / - | 3 | Partial capture |
| 07-15 19:14 | 20m | -7 / - | VY0ERC | - / - | 2 | Partial capture |
| 07-12 15:44 | 20m | -6 / - | 7K1CPT | - / - | 2 | Partial capture |
| 07-12 15:39 | 20m | -10 / - | 7K1CPT | - / - | 2 | Partial capture |
| 07-12 15:37 | 20m | -8 / - | OX3LX | - / -22 | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 192930 -13 1354 JI4POR G4ZCS IO90 (x3) 193100 -18 1354 CQ G4ZCS IO90 (x3) 193215 -20 1497 G4ZCS DL3RAJ JN68 (x3) 193845 -11 1205 G4ZCS DG2EBG JO31 (x2) 194445 -15 1181 G4ZCS ON1DGN RR73 194645 -4 731 G4ZCS R2PM KO84 (x3)
UTC dB Audio Message 190100 -16 1557 R1QF G4ZCS IO90 (x2) 180715 -14 1333 G4ZCS F5RRS JN36 (x2) 181115 -14 1140 G4ZCS DL7ARV R+17 181145 -16 1837 G4ZCS DJ7WG JO54 181230 -20 1140 DJ7WG G4ZCS RR73 181245 -20 1837 G4ZCS DJ7WG 73
UTC dB Audio Message 193745 +0 530 CQ G4ZCS IO90 (x5) 194015 -2 530 OV5SP G4ZCS -05 (x2) 194215 -5 530 CQ G4ZCS IO90 (x2) 194430 -3 530 LA9UDA G4ZCS R-09 (x2) 194530 -2 529 CQ G4ZCS IO90 (x4)
UTC dB Audio Message 174730 -11 1860 G4ZCS D2UY -10 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.