AA4JM — 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 AA4JM, decoded by SO8OO in southeastern Poland. 95 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 7 UTC dates in the available aggregate history. Observed between 2026-08-23 and 2026-09-08.
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 95 FT8 messages attributed to AA4JM as the transmitting token by decoded message structure across 7 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (95%), followed by 20 m (5%). Most decodes (100%) fell within the six-hour window 23:00-05:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -11 dB.
Overview
Bands
Last attributed message: 2026-09-08 04:29 UTC
Observed FT8 message patterns
- Attributed sample
- 95 messages
- Active dates
- 7 UTC dates
- Estimated median S/N
- -11 dB
- Estimated 10th-90th percentile
- -18 to -4 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 18, moderate (-15 to -9 dB) 52, strong (≥ -8 dB) 25.
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 AA4JM 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 AA4JM
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
- EL98 · 60 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 8,464 km (approx.)
- Last such locator decoded
- 2026-09-08 03:04 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 | AA4JM S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-25 23:55 | 40m | - / - | 2E0BTX | -5 / - | 3 | Partial capture |
| 09-25 22:29 | 40m | - / -13 | PE1MHY | 0 / - | 2 | Partial capture |
| 09-25 21:41 | 40m | - / - | IK2ZJR | +7 / - | 11 | Partial capture |
| 09-25 21:37 | 40m | - / - | IK2JYT | +4 / - | 2 | Partial capture |
| 09-24 00:13 | 40m | - / -17 | SV9QWC | -20 / - | 2 | ✓ Closing fragment |
| 09-08 06:21 | 40m | - / - | PD1AC | -14 / - | 4 | Partial capture |
| 09-08 06:18 | 40m | - / -19 | S55A | -11 / - | 3 | Partial capture |
| 09-08 06:13 | 40m | - / -10 | HB9BEM | +4 / - | 4 | ✓ Closing fragment |
| 09-08 06:13 | 40m | - / -17 | OE9DAI | +10 / - | 2 | ✓ Closing fragment |
| 09-08 06:06 | 40m | - / -16 | HB9EBM | +15 / - | 2 | ✓ Closing fragment |
| 09-08 05:20 | 40m | - / -18 | IS0/IK2YCW | -14 / - | 2 | Partial capture |
| 09-08 05:17 | 40m | - / -12 | IU1TLG | -17 / - | 3 | ✓ Closing fragment |
| 09-08 04:23 | 40m | - / -22 | LZ1ON | -12 / - | 2 | Partial capture |
| 09-08 03:06 | 40m | - / - | RV6F | -14 / - | 5 | Partial capture |
| 09-08 02:49 | 40m | - / -13 | US1VM | -10 / - | 2 | Partial capture |
| 09-08 02:46 | 40m | -20 / - | A61DD | - / - | 2 | Partial capture |
| 09-08 02:00 | 40m | -1 / - | A61DD | - / - | 2 | Partial capture |
| 09-08 01:56 | 40m | -5 / -17 | W4PSK | 0 / - | 3 | ✓ Closing observed |
| 09-08 01:47 | 40m | -4 / - | A61DD | - / - | 5 | Partial capture |
| 09-08 00:32 | 40m | - / - | SV1MOZ | -17 / - | 6 | Partial capture |
| 09-06 04:45 | 40m | - / - | SP2AJO | -11 / - | 2 | Partial capture |
| 09-06 03:27 | 40m | -18 / -22 | R6LE | +1 / - | 5 | ✓ Closing observed |
| 09-06 03:21 | 40m | - / -11 | T77NC | +1 / - | 2 | ✓ Closing fragment |
| 09-06 02:49 | 40m | -15 / - | LY2SA | -11 / - | 2 | ✓ Closing observed |
| 09-03 00:54 | 40m | -12 / - | HK0RMR | - / - | 4 | Partial capture |
| 09-03 00:51 | 40m | -12 / - | K0IDX | - / -3 | 3 | ✓ Closing fragment |
| 09-03 00:51 | 40m | - / - | RX3ASQ | -2 / - | 2 | Partial capture |
| 09-03 00:49 | 40m | -15 / - | YO8RSL | - / -22 | 3 | ✓ Closing fragment |
| 09-03 00:48 | 40m | -13 / 0 | KE2IUI | -15 / -4 | 3 | ✓ Full exchange observed |
| 09-03 00:45 | 40m | -13 / - | 8Q7PR | - / - | 2 | Partial capture |
| 09-03 00:07 | 40m | -19 / -22 | UN7LZ | +3 / - | 3 | ✓ Closing observed |
| 09-02 01:18 | 40m | - / -2 | F8MRQ | +3 / - | 3 | ✓ Closing fragment |
| 09-02 01:10 | 40m | -12 / - | G8KHF | +5 / - | 2 | ✓ Closing observed |
| 09-02 00:44 | 40m | - / - | F5PBG | +4 / - | 2 | ✓ Closing fragment |
| 09-02 00:42 | 40m | - / -18 | RD7O | +15 / - | 3 | ✓ Closing fragment |
| 09-02 00:41 | 40m | - / -8 | F4BYA | +10 / - | 3 | ✓ Closing fragment |
| 09-02 00:22 | 40m | -18 / -16 | EA9ABC | -8 / -14 | 8 | ✓ Full exchange observed |
| 09-01 23:56 | 40m | - / - | RD7O | +8 / - | 2 | Partial capture |
| 09-01 23:55 | 40m | -15 / -6 | GM4GZW | +4 / - | 3 | ✓ Closing observed |
| 08-31 03:01 | 40m | - / - | DL8TV | -12 / - | 2 | Partial capture |
| 08-31 02:56 | 40m | - / - | G5TV | -4 / - | 2 | Partial capture |
| 08-31 02:42 | 40m | - / -17 | SV9QWC | -8 / - | 2 | ✓ Closing fragment |
| 08-31 02:17 | 40m | - / - | G5TV | -9 / - | 6 | Partial capture |
| 08-29 04:33 | 40m | - / -8 | UW5ZM | +8 / - | 6 | ✓ Closing fragment |
| 08-29 04:27 | 40m | - / -18 | M7GFJ | -10 / - | 3 | Partial capture |
| 08-28 03:08 | 40m | -10 / - | WW9WTF | - / - | 2 | Partial capture |
| 08-28 03:06 | 40m | -10 / - | EA8IM | - / - | 2 | Partial capture |
| 08-28 03:04 | 40m | -5 / - | AE6CH | - / -15 | 2 | Partial capture |
| 08-28 03:02 | 40m | -8 / +2 | UT7UJ | +18 / +1 | 4 | ✓ Full exchange observed |
| 08-28 02:59 | 40m | -10 / -12 | RZ6L | +9 / - | 4 | ✓ Closing observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 214345 +12 2438 AA4JM IK2ZJR JN45 (x7) 215700 -20 1325 AA4JM EA9RY RR73 222915 +1 1005 AA4JM PE1MHY -13 (x2) 223245 -7 749 AA4JM PB2A R-13 235515 -7 990 AA4JM 2E0BTX IO83 (x3) 000215 -17 2059 AA4JM MW0KST IO71
UTC dB Audio Message 001245 -14 2369 W0C AA4JM EL98 011315 -17 2326 UN0GY AA4JM EL98 011330 -1 2662 AA4JM UN0GY +03 (x2) 011415 -10 519 UN0GY AA4JM R-18 011430 -4 2662 AA4JM UN0GY +03 011445 -13 519 UN0GY AA4JM R-18 011500 -5 2662 AA4JM UN0GY RR73 011515 -16 2326 UN0GY AA4JM R-18 011530 -5 2662 AA4JM UN0GY RR73 111745 +5 2376 AA4JM UT7UJ -19 (x5)
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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