SP5ZTM — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SP5ZTM, decoded by SO8OO in southeastern Poland. 336 related FT8 messages, 1 CQ messages, observed on 40m, 20m, 10m, across 13 UTC dates. Heard between 2026-05-27 and 2026-08-24.
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 SP5ZTM worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by SP5ZTM
Approximate centre of KO01, decoded 2026-08-20 13:14 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 | SP5ZTM S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-24 08:17 | 20m | - / - | DK4NB | -15 / - | 2 | Partial capture |
| 08-24 08:13 | 20m | - / - | DK4NB | -13 / - | 2 | Partial capture |
| 08-24 07:58 | 20m | - / -13 | R7OV | -4 / - | 2 | Partial capture |
| 08-24 07:49 | 20m | - / - | I3QDK | -2 / - | 2 | Partial capture |
| 08-24 07:47 | 20m | - / -5 | IK4RVY | -8 / - | 2 | ✓ Closing fragment |
| 08-23 08:32 | 20m | - / - | DL3RAJ | -5 / - | 6 | Partial capture |
| 08-23 08:29 | 20m | - / -2 | F4AYI | +2 / - | 3 | Partial capture |
| 08-22 08:57 | 20m | - / - | DL7RAY | -5 / - | 11 | Partial capture |
| 08-22 08:55 | 20m | - / -14 | F6HUK | 0 / - | 3 | ✓ Closing fragment |
| 08-21 13:04 | 10m | - / -15 | 2E0SRO | -14 / - | 2 | ✓ Closing fragment |
| 08-21 13:01 | 10m | - / -11 | PA9JO | -18 / - | 2 | ✓ Closing fragment |
| 08-21 12:59 | 10m | - / -4 | DF9DX | -10 / - | 2 | ✓ Closing fragment |
| 08-21 12:19 | 20m | - / - | DL2BU | -2 / - | 2 | ✓ Closing fragment |
| 08-21 12:17 | 20m | - / -10 | F6BEC | +3 / - | 3 | ✓ Closing fragment |
| 08-21 12:13 | 20m | - / - | DL3RAJ | +2 / - | 6 | Partial capture |
| 08-21 12:07 | 20m | - / - | DL6EL | +11 / - | 9 | Partial capture |
| 08-21 12:04 | 20m | - / -12 | PD4RJ | -13 / - | 3 | ✓ Closing fragment |
| 08-21 12:02 | 20m | - / - | DL3RAJ | +7 / - | 12 | Partial capture |
| 08-21 12:01 | 20m | - / - | DL6EL | +11 / - | 6 | Partial capture |
| 08-21 11:55 | 20m | - / -19 | R4FDW | -10 / - | 8 | Partial capture |
| 08-21 11:54 | 20m | - / -10 | DL6KA | -11 / - | 3 | ✓ Closing fragment |
| 08-21 11:53 | 20m | - / - | DL3RAJ | +7 / - | 6 | Partial capture |
| 08-21 11:52 | 20m | - / - | DL6EL | +10 / - | 6 | Partial capture |
| 08-21 11:45 | 20m | - / -17 | UW5ESX | -10 / - | 4 | ✓ Closing fragment |
| 08-21 11:44 | 20m | - / - | DL3RAJ | +4 / - | 5 | Partial capture |
| 08-21 11:44 | 20m | - / - | DL6EL | +9 / - | 3 | Partial capture |
| 08-21 11:42 | 20m | - / +5 | HA1BF | +2 / - | 2 | ✓ Closing fragment |
| 08-20 13:15 | 40m | - / -7 | SP5BB | -18 / - | 2 | Partial capture |
| 08-20 13:14 | 40m | - / -8 | HA1ZN | -9 / - | 3 | ✓ Closing fragment |
| 08-20 11:51 | 20m | - / - | G7RCQ | -17 / - | 3 | Partial capture |
| 08-20 11:48 | 20m | - / -16 | M9YLR | -12 / - | 2 | Partial capture |
| 08-20 11:38 | 20m | - / -12 | RA6AY | -12 / - | 3 | ✓ Closing fragment |
| 08-20 11:25 | 20m | - / -24 | PD8XXX | -5 / - | 3 | Partial capture |
| 08-20 07:56 | 20m | - / -16 | 9A5MP | -20 / - | 3 | ✓ Closing fragment |
| 08-20 07:47 | 20m | - / -9 | DL6RS | +4 / - | 3 | ✓ Closing fragment |
| 08-20 07:24 | 20m | - / -8 | F5RAV | -15 / - | 5 | ✓ Closing fragment |
| 08-20 07:20 | 20m | - / -12 | R1QD | -8 / - | 3 | ✓ Closing fragment |
| 08-19 06:56 | 40m | - / - | YO3GNF | -11 / - | 2 | Partial capture |
| 08-17 07:57 | 20m | - / -6 | DL9KM | -12 / - | 3 | ✓ Closing fragment |
| 08-17 07:51 | 20m | - / -16 | F4HWG | -9 / - | 3 | ✓ Closing fragment |
| 08-17 07:43 | 20m | - / - | DH2RL | -12 / - | 2 | Partial capture |
| 08-17 07:43 | 20m | - / -19 | DL1UDO | +1 / - | 3 | ✓ Closing fragment |
| 08-17 07:37 | 20m | - / - | IK4LZH | +7 / - | 3 | ✓ Closing fragment |
| 08-17 07:34 | 20m | - / - | SV1EKI | -14 / - | 6 | Partial capture |
| 07-06 08:22 | 20m | - / -11 | LZ3CB | -1 / - | 3 | ✓ Closing fragment |
| 06-28 06:22 | 20m | - / -9 | R6DZR | -17 / - | 2 | ✓ Closing fragment |
| 06-28 06:16 | 20m | - / +6 | IQ4JO | +7 / - | 4 | ✓ Closing fragment |
| 06-27 08:00 | 20m | - / 0 | E70SZ | -12 / - | 4 | ✓ Closing fragment |
| 06-27 07:59 | 20m | - / - | DK5DW | -18 / - | 2 | Partial capture |
| 06-24 11:43 | 20m | - / - | IQ4JO | +6 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 083315 -7 2172 SP5ZTM DL3RAJ JN68 (x5) 074745 -12 1903 SP5ZTM IK4RVY -05 (x2) 074945 -1 1903 SP5ZTM I3QDK JN65 (x2) 075815 -5 1083 SP5ZTM R7OV KN87 (x2) 081315 -11 2083 SP5ZTM DK4NB JO43 (x4)
UTC dB Audio Message 125745 -11 1031 SP5ZTM DK7ZT -08 125915 -8 1675 SP5ZTM DF9DX -04 (x2) 130115 -18 1416 SP5ZTM PA9JO -11 (x2) 130415 -12 1618 SP5ZTM 2E0SRO -15 (x2) 130645 -16 757 SP5ZTM G1OZO R-11 130645 -9 2164 SP5ZTM ON7HM JO10
UTC dB Audio Message 065045 -12 2544 SP5ZTM YO3GNF KN34 (x5) 131415 -14 877 CQ SP5ZTM KO01 131430 -7 688 SP5ZTM HA1ZN JN86 (x3) 131530 -15 1741 SP5ZTM SP5BB -07 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.