SM7TZK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SM7TZK, decoded by SO8OO in southeastern Poland. 254 related FT8 messages, 115 CQ messages, observed on 80m, 40m, 20m, 10m, across 21 UTC dates. Heard between 2026-06-01 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 SM7TZK worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by SM7TZK
Approximate centre of JO75, decoded 2026-08-20 20:42 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 | SM7TZK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-24 08:40 | 20m | -12 / - | OS4K | - / -13 | 3 | Partial capture |
| 08-24 08:38 | 20m | -16 / -11 | PA0MUS | -6 / 0 | 3 | ✓ Full exchange observed |
| 08-24 04:52 | 20m | - / -16 | HC2GRC | +3 / - | 3 | ✓ Closing fragment |
| 08-21 04:25 | 80m | -8 / - | OZ/DG5BEA | - / -10 | 2 | ✓ Closing fragment |
| 08-20 20:45 | 80m | +6 / 0 | SP0YAGI | +3 / -9 | 4 | ✓ Full exchange observed |
| 08-20 05:25 | 80m | - / - | OE3FVU | -15 / - | 3 | Partial capture |
| 08-20 05:21 | 80m | - / - | SQ8AA | +17 / - | 3 | Partial capture |
| 08-20 05:17 | 80m | -10 / -16 | SP7FFY | +15 / - | 5 | ✓ Closing observed |
| 08-20 04:57 | 80m | - / - | PA5MB | -16 / - | 2 | Partial capture |
| 08-20 04:52 | 80m | -12 / -11 | DK5OPA | -11 / -9 | 12 | ✓ Full exchange observed |
| 08-20 04:41 | 80m | -16 / -5 | DO3JP | -14 / -7 | 6 | ✓ Full exchange observed |
| 08-20 04:37 | 80m | - / - | SQ3POU | -16 / - | 2 | Partial capture |
| 08-20 04:36 | 80m | -14 / -13 | DL3RSK | -15 / - | 5 | ✓ Closing observed |
| 08-20 04:34 | 80m | -18 / -12 | SQ4PKO | +5 / -9 | 5 | ✓ Full exchange observed |
| 08-20 04:33 | 80m | -24 / -13 | DL3RSK | -17 / -15 | 4 | Partial capture |
| 08-20 04:29 | 80m | -13 / -9 | DO5PY | -9 / -13 | 8 | ✓ Full exchange observed |
| 08-20 04:23 | 80m | -10 / - | DO1ANB | - / -14 | 3 | ✓ Closing fragment |
| 08-20 04:18 | 80m | -4 / - | IK2LHP | - / -9 | 2 | ✓ Closing fragment |
| 08-20 04:09 | 80m | -7 / - | DO3MY | - / -14 | 3 | ✓ Closing fragment |
| 08-20 04:05 | 80m | - / - | CT2HEX | -8 / - | 2 | Partial capture |
| 08-20 04:00 | 80m | -6 / -2 | SP5KG | +10 / -6 | 6 | ✓ Full exchange observed |
| 08-20 03:58 | 80m | -6 / +7 | DL5DSM | +13 / +6 | 6 | ✓ Full exchange observed |
| 08-20 03:54 | 80m | 0 / -15 | CT2HEX | -6 / -20 | 8 | ✓ Full exchange observed |
| 08-20 03:52 | 80m | -12 / -13 | SQ9EJ | -8 / - | 7 | ✓ Closing observed |
| 08-20 03:47 | 80m | -16 / - | CT2GQA | -21 / -19 | 5 | ✓ Closing observed |
| 08-20 03:40 | 80m | -18 / +8 | SQ3JVA | -11 / -13 | 6 | ✓ Full exchange observed |
| 08-20 03:38 | 80m | -6 / +4 | SP3HGD | -9 / - | 4 | ✓ Closing observed |
| 08-20 03:34 | 80m | -15 / -4 | DL9KM | -20 / -20 | 6 | ✓ Full exchange observed |
| 08-20 03:29 | 80m | - / - | CT2HEX | -16 / - | 3 | Partial capture |
| 08-20 03:27 | 80m | -10 / -2 | IQ4JO | -9 / -1 | 5 | ✓ Full exchange observed |
| 08-20 03:23 | 80m | -3 / -8 | EA3AKY | -2 / -17 | 6 | ✓ Full exchange observed |
| 08-20 03:20 | 80m | -12 / - | IQ4JO | -6 / - | 4 | Partial capture |
| 08-20 03:18 | 80m | -10 / -4 | OE5DML | -2 / 0 | 5 | ✓ Full exchange observed |
| 08-20 03:18 | 80m | -22 / - | F5BRF | - / -15 | 2 | ✓ Closing fragment |
| 08-20 03:16 | 80m | - / -19 | E75FM | -2 / - | 2 | ✓ Closing fragment |
| 08-19 04:17 | 80m | -1 / -13 | 9A60CBM | +1 / - | 2 | ✓ Closing observed |
| 08-14 04:09 | 80m | -5 / - | 9A4BP/P | - / - | 28 | Partial capture |
| 08-14 04:01 | 80m | -14 / - | 9A4BP/P | - / - | 6 | Partial capture |
| 08-09 06:51 | 20m | -18 / - | M7APV | - / -18 | 3 | Partial capture |
| 08-03 06:06 | 20m | - / -10 | TK5KP | -19 / - | 2 | ✓ Closing fragment |
| 07-29 03:01 | 20m | - / - | NE5TX | -13 / - | 3 | Partial capture |
| 07-05 05:04 | 80m | - / -4 | SN4WWA | -8 / - | 2 | ✓ Closing fragment |
| 07-03 16:17 | 10m | - / -16 | EA8CVR | -19 / - | 2 | Partial capture |
| 07-03 07:47 | 20m | - / -11 | TM8WWA | +3 / - | 3 | ✓ Closing fragment |
| 06-20 05:29 | 20m | - / - | TM1RVE | +6 / - | 2 | ✓ Closing fragment |
| 06-19 18:48 | 20m | - / -12 | BH4ECL | -16 / - | 3 | Partial capture |
| 06-19 17:51 | 20m | - / -19 | BG2FFJ | 0 / - | 2 | ✓ Closing fragment |
| 06-17 03:55 | 20m | - / -12 | 4L8A | +6 / - | 3 | ✓ Closing fragment |
| 06-16 07:54 | 20m | - / -13 | ZA5G | +6 / - | 2 | ✓ Closing fragment |
| 06-15 14:42 | 20m | +4 / - | JN1ILK | - / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 065100 -15 2091 M7APV SM7TZK R-18 (x3) 200445 -11 2543 OK2CNI SM7TZK 73 040545 -5 576 SM7TZK UT7UJ RR73 045245 +5 370 SM7TZK HC2GRC -16 (x3) 083845 -6 1749 SM7TZK PA0MUS -11 083900 -19 1748 PA0MUS SM7TZK R+00 (x2) 084000 -15 1812 OS4K SM7TZK R-13 (x3) 084630 -1 2105 SM7TZK II7MGBT +02
UTC dB Audio Message 052545 -16 1638 SM7TZK OE3FVU JN78 (x2) 052700 -6 500 CQ SM7TZK JO75 (x6) 204215 +8 1001 SQ7HJX SM7TZK JO75 204530 +7 999 SP0YAGI SM7TZK 204545 +3 1000 SM7TZK SP0YAGI +00 204600 +6 1000 SP0YAGI SM7TZK R-09 (x2) 042545 -8 1242 OZ/DG5BEA SM7TZK R-10 (x2)
UTC dB Audio Message 111330 -5 1447 OE8DSK SM7TZK JO75 073200 -9 2083 SM7TZK IU3GKQ -06 (x2) 075630 -5 2142 SM7TZK EU6AQ -13 084100 -20 290 <...> SM7TZK (x7) 083445 +7 2793 SM7TZK TM2WWA -04 161700 -20 2092 SM7TZK EA8CVR -16 (x2)
UTC dB Audio Message 190600 -6 1767 SM7TZK R2FAQ -05 (x2) 190645 -15 1768 R2FAQ SM7TZK 73 061945 -11 1245 SM7TZK F4LVF -03 (x5)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.