EA5JK — reception at SO8OO
Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.
FT8 activity
Receiver-side FT8 activity involving EA5JK, decoded by SO8OO in southeastern Poland. 2,741 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 86 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-11-05.
These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.
SO8OO decoded 2,741 FT8 messages attributed to EA5JK as the transmitting token by decoded message structure across 86 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (30%), followed by 40 m (23%) and 60 m (19%). Most decodes (86%) fell within the six-hour window 00:00-06:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (76%); the estimated median was -2 dB.
Overview
Bands
Last attributed message: 2026-11-05 01:20 UTC
Observed FT8 message patterns
- Attributed sample
- 2,741 messages
- Active dates
- 86 UTC dates
- Estimated median S/N
- -2 dB
- Estimated 10th-90th percentile
- -13 to +12 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 157, moderate (-15 to -9 dB) 488, strong (≥ -8 dB) 2,096.
WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.
Frequent counterpart tokens observed at SO8OO
Tokens most often paired with EA5JK in decoded directed-looking exchanges:
Attributed messages by UTC hour
Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.
Most frequent locator attributed to EA5JK
The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.
- Attributed locator
- IM99 · 1,009 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 2,129 km (approx.)
- Last such locator decoded
- 2026-11-05 01:11 UTC
A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.
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 | EA5JK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 11-05 01:19 | 60m | +2 / - | ON1JP | -17 / -26 | 3 | ✓ Closing observed |
| 11-05 01:12 | 60m | 0 / - | VA3DIF | - / -1 | 2 | ✓ Closing fragment |
| 11-05 01:11 | 60m | +4 / -4 | GB1RBL | -16 / -11 | 4 | ✓ Full exchange observed |
| 11-05 01:11 | 60m | - / +3 | ON1JP | -14 / - | 8 | Partial capture |
| 11-05 01:05 | 80m | +1 / - | ON8WR | - / -16 | 3 | Partial capture |
| 11-05 01:03 | 80m | - / - | UA3ECJ | +4 / - | 2 | Partial capture |
| 11-05 01:02 | 80m | -2 / 0 | IZ0MIT | -3 / -5 | 7 | ✓ Full exchange observed |
| 11-05 01:00 | 80m | - / - | ON8WR | -8 / - | 2 | Partial capture |
| 11-05 00:53 | 80m | 0 / -14 | DL4NFB | -14 / -17 | 10 | Partial capture |
| 11-05 00:47 | 80m | +12 / - | UN7EAX | - / -19 | 3 | Partial capture |
| 11-05 00:41 | 80m | 0 / - | EA8AR | - / -5 | 2 | ✓ Closing fragment |
| 11-05 00:40 | 80m | +7 / - | DG5PW | -12 / -6 | 6 | Partial capture |
| 11-05 00:40 | 80m | - / - | UN7EAX | -12 / - | 4 | Partial capture |
| 11-05 00:40 | 80m | +2 / - | G0AZH | -10 / -11 | 7 | ✓ Closing observed |
| 11-05 00:38 | 80m | +13 / - | SP8HDC | - / -11 | 3 | Partial capture |
| 11-05 00:34 | 80m | +3 / - | SP8HDC | - / -11 | 3 | Partial capture |
| 11-05 00:29 | 80m | - / - | SP8HDC | 0 / - | 3 | Partial capture |
| 11-05 00:26 | 80m | +13 / - | K9UWA | - / -15 | 3 | Partial capture |
| 11-05 00:25 | 80m | +2 / +1 | 9A2WA | -14 / -15 | 6 | ✓ Full exchange observed |
| 11-05 00:24 | 80m | - / - | DO8LJ | +4 / - | 2 | Partial capture |
| 11-05 00:23 | 80m | +20 / - | DO1OAS | +6 / -13 | 3 | Partial capture |
| 11-05 00:23 | 80m | - / - | UX7UU | +15 / - | 2 | Partial capture |
| 11-05 00:23 | 80m | +16 / - | DA6SL | +8 / -7 | 4 | ✓ Full exchange observed |
| 11-05 00:20 | 80m | +17 / - | EI3CTB | - / -13 | 2 | ✓ Closing fragment |
| 11-05 00:17 | 80m | +16 / - | N0YO | - / -14 | 2 | ✓ Closing fragment |
| 11-05 00:16 | 80m | +12 / - | ON1JP | -23 / -6 | 7 | ✓ Full exchange observed |
| 11-05 00:15 | 80m | - / - | UX7UU | +14 / - | 6 | Partial capture |
| 11-05 00:14 | 80m | - / - | EA7GUK | -17 / - | 2 | Partial capture |
| 11-05 00:14 | 80m | +14 / +7 | OK1AYM | +14 / -15 | 7 | ✓ Full exchange observed |
| 11-05 00:09 | 80m | - / - | RN3YN | -7 / - | 7 | Partial capture |
| 11-05 00:09 | 80m | +15 / - | EA8BBJ | - / -10 | 2 | ✓ Closing fragment |
| 11-05 00:08 | 80m | +4 / - | EX7DY | - / -14 | 2 | ✓ Closing fragment |
| 11-05 00:00 | 160m | - / - | RA3RDN | -14 / - | 2 | Partial capture |
| 11-04 23:59 | 160m | -2 / - | CT7AUT | - / -19 | 4 | ✓ Closing fragment |
| 11-04 23:59 | 160m | - / - | OM3SX | +10 / - | 3 | Partial capture |
| 11-04 23:55 | 160m | - / - | RA3RDN | -10 / - | 3 | Partial capture |
| 11-04 23:52 | 160m | +8 / +9 | EC4TR | -6 / -4 | 9 | ✓ Full exchange observed |
| 11-04 23:50 | 160m | - / - | R3UG | -2 / - | 4 | Partial capture |
| 11-04 23:50 | 160m | +15 / -18 | RA0AF | -11 / -13 | 8 | Partial capture |
| 11-04 23:47 | 160m | +8 / - | EB5CS | - / -18 | 2 | ✓ Closing fragment |
| 11-04 23:47 | 160m | +2 / - | DF3JO | -14 / -18 | 8 | ✓ Full exchange observed |
| 11-03 04:09 | 60m | -17 / - | LY2CK | - / -16 | 2 | ✓ Closing fragment |
| 11-03 03:54 | 80m | - / - | DL3MIB | +14 / - | 3 | Partial capture |
| 11-03 03:53 | 80m | +6 / -3 | AC1JS | -20 / - | 3 | ✓ Closing observed |
| 11-03 03:49 | 80m | +4 / - | ON4MAP | - / -23 | 3 | Partial capture |
| 11-03 03:44 | 80m | +12 / - | EA4D | - / -8 | 2 | ✓ Closing fragment |
| 11-03 03:44 | 80m | - / - | ON4MAP | -16 / - | 5 | Partial capture |
| 11-03 01:30 | 80m | +11 / - | EK/RX3DPK | - / -18 | 18 | Partial capture |
| 11-03 01:19 | 80m | +6 / - | EK/RX3DPK | - / -17 | 12 | Partial capture |
| 11-03 01:16 | 80m | -1 / - | OK1AYM | +14 / -14 | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 011130 +4 930 GB1RBL EA5JK R-11 011145 -16 1433 EA5JK ON1JP +03 011145 -15 931 EA5JK GB1RBL RR73 011200 +5 930 GB1RBL EA5JK 73 011215 -13 1433 EA5JK ON1JP +03 011230 -1 1777 VA3DIF EA5JK R-01 011245 -14 1433 EA5JK ON1JP +03 011300 +0 1777 VA3DIF EA5JK 73 011315 -14 1433 EA5JK ON1JP +03 (x4) 011930 +6 1432 ON1JP EA5JK R-26 011945 -17 1433 EA5JK ON1JP RR73 012000 -1 1433 ON1JP EA5JK 73
UTC dB Audio Message 010230 -1 1443 CQ EA5JK IM99 010245 -1 1444 EA5JK IZ0MIT JN61 010300 +6 1443 CQ EA5JK IM99 010315 +6 1804 EA5JK UA3ECJ KO83 010315 +0 1443 EA5JK IZ0MIT JN61 010330 -6 1443 CQ EA5JK IM99 010400 +1 1443 IZ0MIT EA5JK -05 010415 +1 1804 EA5JK UA3ECJ KO83 010415 -9 1443 EA5JK IZ0MIT R+00 010430 -4 1443 IZ0MIT EA5JK RR73 010445 -5 1443 EA5JK IZ0MIT 73 010500 +1 1443 ON8WR EA5JK -16 (x3) 010815 -2 1803 EA5JK UA3ECJ 73
UTC dB Audio Message 235530 -11 1130 EA5JK RA3RDN LO02 235545 +6 885 CQ EA5JK IM99 (x3) 235730 -8 797 EA5JK RA3RDN LO02 235730 -8 498 EA5JK RA0AF -20 235900 +7 501 EA5JK OM3SX KN08 235915 -3 1443 CT7AUT EA5JK -19 235930 +12 501 EA5JK OM3SX KN08 235945 -5 1443 CT7AUT EA5JK -19 (x2) 000030 -15 1574 EA5JK RA3RDN LO02 000030 +12 501 EA5JK OM3SX KN08 000045 +2 1443 CT7AUT EA5JK RR73 000100 -13 1574 EA5JK RA3RDN LO02
UTC dB Audio Message 052645 -11 2572 EA5JK 9A2WA 73 042945 +3 697 6W/IK2HKT EA5JK -17 (x3) 050845 -3 927 KC2ZZR EA5JK -12 (x10) 062415 -14 1602 C5R EA5JK RR73
UTC dB Audio Message 071445 +5 1555 EA5JK F4LNM 73 071515 -6 369 EA5JK RV3QI KO91 071600 +12 1554 CQ EA5JK IM99 071615 -8 1551 EA5JK RV3KC KO90 071615 -1 739 EA5JK G0JEI -10 071630 +6 1554 CQ EA5JK IM99 071645 +0 1551 EA5JK RV3KC KO90 071645 +4 739 EA5JK G0JEI -10 071715 -5 1551 EA5JK RV3KC KO90 071715 -3 739 EA5JK G0JEI -10 (x2) 002130 -22 1512 EA5JK BG0FQU -09 014645 -10 1970 EA5JK 5Z4VJ KI88 (x3)
Decoder S/N history by band
Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.
CW
No CW receptions recorded for this callsign in the last 30 days.
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