EB4SM — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving EB4SM, decoded by SO8OO in southeastern Poland. 251 related FT8 messages, 28 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 40 UTC dates. Heard between 2026-05-25 and 2026-08-22.
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 EB4SM worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by EB4SM
Approximate centre of IN80, decoded 2026-08-23 00:02 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 | EB4SM S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 00:00 | 80m | -21 / - | UR7FM | - / - | 6 | Partial capture |
| 08-22 23:45 | 80m | -18 / - | EA3FR | - / -4 | 2 | ✓ Closing fragment |
| 08-22 23:41 | 80m | -23 / - | OH3EX | +12 / -18 | 4 | ✓ Closing observed |
| 08-22 23:35 | 40m | -12 / - | LU1IBL | - / - | 4 | Partial capture |
| 08-22 23:30 | 40m | -13 / - | LU1IBL | - / - | 5 | Partial capture |
| 08-20 00:21 | 20m | -10 / - | BD8ABR | - / - | 2 | Partial capture |
| 08-20 00:12 | 20m | -11 / - | BD8ABR | - / - | 9 | Partial capture |
| 08-20 00:06 | 20m | -20 / - | BA9TX | - / - | 2 | Partial capture |
| 08-20 00:04 | 20m | -17 / - | BG0EMF | - / - | 2 | Partial capture |
| 08-20 00:00 | 20m | -7 / -7 | XU7O | -10 / -7 | 3 | ✓ Full exchange observed |
| 08-19 22:19 | 60m | - / -10 | OJ0JR | +1 / - | 2 | ✓ Closing fragment |
| 08-17 23:44 | 80m | - / - | EA7LIC | -7 / - | 2 | ✓ Closing fragment |
| 08-17 23:39 | 80m | - / -12 | RX6DA | +6 / - | 2 | ✓ Closing fragment |
| 08-17 23:31 | 80m | -20 / -3 | PE1NAO | -12 / -8 | 4 | ✓ Full exchange observed |
| 08-17 23:28 | 80m | -15 / - | EA2EES | - / -3 | 3 | ✓ Closing fragment |
| 08-17 23:23 | 80m | -11 / - | PY5/PY2TIM | - / -12 | 6 | Partial capture |
| 08-17 23:05 | 40m | -16 / - | OJ0YL | - / - | 9 | Partial capture |
| 08-15 07:32 | 20m | -11 / - | SM2IEN | - / - | 2 | Partial capture |
| 08-15 07:28 | 20m | -12 / - | R4CGV | - / - | 3 | Partial capture |
| 08-12 00:14 | 20m | -18 / -19 | EA5HM | -18 / - | 3 | ✓ Closing observed |
| 08-08 22:18 | 80m | - / -19 | UA4POO | -14 / - | 2 | ✓ Closing fragment |
| 08-08 22:14 | 80m | -24 / -14 | OE8DDX | +12 / - | 3 | ✓ Closing observed |
| 08-08 22:11 | 80m | -18 / - | 8S7DL | -2 / -18 | 5 | ✓ Closing observed |
| 08-06 07:11 | 40m | - / - | LY2J | -16 / - | 2 | Partial capture |
| 08-06 07:01 | 40m | - / -3 | IQ4JO | -21 / - | 2 | ✓ Closing fragment |
| 08-05 21:27 | 40m | - / -2 | IU5VLR | -17 / - | 2 | Partial capture |
| 08-05 21:21 | 40m | - / -3 | DK4CH | -23 / - | 2 | Partial capture |
| 08-05 21:04 | 40m | -16 / +4 | RU3NCW | -10 / - | 3 | ✓ Closing observed |
| 08-05 20:50 | 80m | -17 / -7 | TF4M | -17 / -17 | 5 | ✓ Full exchange observed |
| 08-05 20:41 | 80m | -21 / -11 | TA1MHS | -9 / -15 | 7 | Partial capture |
| 08-05 20:34 | 80m | -16 / - | TA1MHS | - / - | 6 | Partial capture |
| 08-05 20:32 | 80m | -10 / -19 | Z3123KR | 0 / - | 2 | Partial capture |
| 08-04 21:21 | 20m | -10 / - | 7X5CY | - / - | 2 | Partial capture |
| 08-04 12:52 | 20m | -20 / - | <...> | -22 / - | 2 | ✓ Closing fragment |
| 08-04 12:46 | 20m | -21 / - | EA4IBN | - / -9 | 3 | ✓ Closing fragment |
| 08-03 22:58 | 80m | -17 / - | TJ1GD/P | - / - | 9 | Partial capture |
| 08-03 22:49 | 80m | -17 / - | SP7X | - / - | 3 | Partial capture |
| 08-03 22:47 | 80m | -16 / -9 | YL2NX | -6 / -10 | 6 | ✓ Full exchange observed |
| 08-03 22:29 | 80m | -21 / - | CU5AQ | - / - | 11 | Partial capture |
| 08-03 22:25 | 60m | - / -8 | ER3ZW | +6 / - | 2 | ✓ Closing fragment |
| 08-03 00:30 | 80m | -10 / -15 | EA8AR | -14 / - | 4 | ✓ Closing observed |
| 08-03 00:30 | 80m | - / - | IK4LZH | +14 / - | 4 | Partial capture |
| 08-03 00:26 | 80m | - / - | EA8AR | -12 / - | 2 | Partial capture |
| 08-03 00:26 | 80m | -10 / -18 | HA3GX | +1 / -12 | 11 | ✓ Full exchange observed |
| 08-03 00:26 | 80m | - / - | IK4LZH | +12 / - | 4 | Partial capture |
| 08-03 00:24 | 80m | - / - | YO2LIM | +11 / - | 2 | ✓ Closing fragment |
| 08-03 00:21 | 80m | -7 / -13 | G8OO | -3 / -4 | 5 | ✓ Full exchange observed |
| 08-03 00:19 | 80m | -8 / -12 | RN3YN | -4 / -21 | 6 | ✓ Full exchange observed |
| 08-03 00:18 | 80m | -10 / -11 | UG4L | +8 / -8 | 5 | ✓ Full exchange observed |
| 08-01 23:23 | 80m | -17 / - | ZS6WAB | - / - | 73 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 234100 -24 1855 OH3EX EB4SM IN80 (x2) 234145 +12 2687 EB4SM OH3EX RR73 234200 -23 1855 OH3EX EB4SM 73 234215 -7 1856 EB4SM OG1AO -25 234500 -18 1855 EA3FR EB4SM R-04 (x2) 235100 -14 1854 UR7FM EB4SM IN80 (x8)
UTC dB Audio Message 230715 -15 1467 OJ0YL EB4SM IN80 (x6) 233015 -14 1879 LU1IBL EB4SM IN80 (x9)
UTC dB Audio Message 000400 -17 1501 BG0EMF EB4SM IN80 (x2) 000630 -19 1500 BA9TX EB4SM IN80 (x2) 001245 -12 1500 BD8ABR EB4SM IN80 (x11)
UTC dB Audio Message 222430 -20 1528 EB4SM IW9FRA -04 220300 -14 2445 R70OBN EB4SM IN80 004415 +1 1458 EB4SM DL1UDO JO31 (x2) 004830 -19 1280 EA2EES EB4SM 73 222530 +7 2029 EB4SM ER3ZW -08 (x2) 221930 +0 642 EB4SM OJ0JR -10 (x2)
UTC dB Audio Message 085630 -14 2079 EB4SM 9H4JX -15 093300 +0 2414 EB4SM R3UG -10 (x2) 101300 -22 1946 EB4SM LX1RFJ -10
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.