A41KB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving A41KB, decoded by SO8OO in southeastern Poland. 3,226 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 80 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-05.
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 3,226 FT8 messages attributed to A41KB as the transmitting token by decoded message structure across 80 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (80%), followed by 40 m (19%) and 80 m (1%). Most decodes (64%) fell within the six-hour window 00:00-06:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -8 dB.
Overview
Bands
Last attributed message: 2026-10-05 02:28 UTC
Observed FT8 message patterns
- Attributed sample
- 3,226 messages
- Active dates
- 80 UTC dates
- Estimated median S/N
- -8 dB
- Estimated 10th-90th percentile
- -19 to +3.9 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 611, moderate (-15 to -9 dB) 908, strong (≥ -8 dB) 1,707.
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 A41KB 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 A41KB
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
- LL93 · 1,301 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 4,356 km (approx.)
- Last such locator decoded
- 2026-10-05 02:28 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 | A41KB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-05 02:37 | 40m | - / - | YY5EHT | -19 / - | 2 | Partial capture |
| 10-05 02:29 | 40m | - / - | W3HUB | -19 / - | 2 | Partial capture |
| 10-05 02:11 | 40m | -18 / - | UA9QFF | - / -15 | 2 | Partial capture |
| 10-05 02:04 | 40m | -15 / -2 | IU1QZW | -11 / -2 | 6 | ✓ Full exchange observed |
| 10-04 02:16 | 40m | -14 / 0 | 7Z1DN | -8 / - | 8 | ✓ Closing observed |
| 10-04 02:16 | 40m | -17 / - | YY5EHT | - / -21 | 3 | Partial capture |
| 10-04 02:13 | 40m | -15 / - | RA6HBX | - / -6 | 2 | ✓ Closing fragment |
| 10-04 02:10 | 40m | - / - | M9IXK | -14 / - | 5 | Partial capture |
| 10-04 02:04 | 40m | -11 / - | KT3S | - / -15 | 5 | Partial capture |
| 10-04 02:00 | 40m | -16 / +4 | 4X5CG | -14 / - | 2 | ✓ Closing observed |
| 10-04 01:52 | 40m | -18 / - | R4FDD | -5 / +2 | 2 | ✓ Closing observed |
| 10-03 02:07 | 40m | -14 / -14 | NQ9N | -15 / -1 | 3 | ✓ Full exchange observed |
| 10-03 02:02 | 40m | -12 / - | KI4NPG | - / -21 | 11 | ✓ Closing fragment |
| 10-03 01:59 | 40m | -14 / - | W4CPO | - / -21 | 4 | Partial capture |
| 10-03 01:58 | 40m | - / -17 | K4JJL | -20 / - | 3 | Partial capture |
| 10-03 01:53 | 40m | -13 / - | K3FAW | - / -16 | 3 | Partial capture |
| 10-02 02:34 | 40m | - / -17 | RM8CZ | -16 / - | 3 | ✓ Closing fragment |
| 10-02 02:29 | 40m | -18 / - | K3ZIB | - / -16 | 2 | Partial capture |
| 10-02 02:26 | 40m | -13 / -11 | KV3R | -11 / +2 | 4 | Partial capture |
| 10-02 02:09 | 40m | -17 / - | HB9ZHK | - / -19 | 2 | Partial capture |
| 10-02 01:39 | 40m | - / - | RA1NBG | 0 / - | 3 | Partial capture |
| 10-01 17:41 | 40m | - / - | OI5AY | +1 / - | 3 | Partial capture |
| 10-01 17:35 | 40m | - / - | SP9ATE | -10 / - | 2 | Partial capture |
| 10-01 17:33 | 40m | - / -20 | DL9PZ | -10 / - | 7 | Partial capture |
| 10-01 17:32 | 40m | -13 / - | OE9GWV | -14 / -19 | 3 | ✓ Closing observed |
| 10-01 17:29 | 40m | - / -13 | HB9ELE | +17 / - | 3 | ✓ Closing fragment |
| 10-01 17:29 | 40m | - / -16 | IZ0FUW | -1 / - | 2 | Partial capture |
| 10-01 17:23 | 40m | - / -8 | R6DVW | 0 / - | 5 | Partial capture |
| 10-01 02:01 | 40m | -16 / - | UA9SY | - / -11 | 4 | ✓ Closing fragment |
| 10-01 01:58 | 40m | -15 / - | VR2ZXP | - / -24 | 2 | Partial capture |
| 10-01 01:46 | 40m | -19 / - | HA1TAB | - / -2 | 2 | ✓ Closing fragment |
| 10-01 01:43 | 40m | -12 / - | DC9GT | - / -15 | 2 | Partial capture |
| 09-30 16:25 | 80m | - / - | LA9GX | +6 / - | 2 | Partial capture |
| 09-30 16:24 | 80m | - / - | EV1R | +10 / - | 2 | Partial capture |
| 09-30 16:22 | 40m | - / -9 | RA3WPF | -12 / - | 4 | Partial capture |
| 09-30 02:07 | 40m | - / - | N4BWW | -22 / - | 2 | Partial capture |
| 09-30 01:55 | 40m | -13 / - | K4GRI | -12 / -11 | 3 | Partial capture |
| 09-30 01:55 | 40m | -9 / - | R4FDW | - / -20 | 2 | Partial capture |
| 09-30 01:52 | 40m | -12 / -19 | WO2T | -20 / -6 | 6 | ✓ Full exchange observed |
| 09-30 01:51 | 40m | -15 / -1 | 4X5CG | -14 / +2 | 3 | Partial capture |
| 09-30 01:48 | 40m | -14 / - | WP4FLR | - / -16 | 2 | ✓ Closing fragment |
| 09-30 01:39 | 40m | - / - | NC3S | -14 / - | 2 | Partial capture |
| 09-29 02:28 | 40m | -19 / -11 | TI5CBS | -12 / -9 | 2 | Partial capture |
| 09-29 02:18 | 80m | - / -24 | HK3O | -19 / - | 9 | Partial capture |
| 09-29 02:18 | 80m | - / -25 | S56A | +8 / - | 3 | ✓ Closing fragment |
| 09-29 02:17 | 80m | - / - | M0UTD | -2 / - | 4 | Partial capture |
| 09-29 02:14 | 80m | - / -16 | SP7IIT | 0 / - | 3 | ✓ Closing fragment |
| 09-29 02:10 | 80m | - / - | M0UTD | 0 / - | 5 | Partial capture |
| 09-29 02:09 | 80m | -20 / - | R6ZB | - / -10 | 2 | Partial capture |
| 09-29 02:04 | 80m | - / - | N8XY | -19 / - | 6 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 021100 -18 1026 UA9QFF A41KB -15 (x2) 021400 -19 1028 CQ A41KB LL93 a1 (x2) 021630 -21 1027 RA3GDV A41KB RR73 021700 -20 1027 CQ A41KB LL93 a1 021945 -10 2433 A41KB UA9SY 73 022030 -17 1027 CQ A41KB LL93 022200 -14 1027 VU2YYF A41KB RR73 022300 -18 1027 HI8WJI A41KB -10 022800 -17 1027 CQ A41KB LL93 022915 -19 1485 A41KB W3HUB EL96 (x2) 023745 -19 1556 A41KB YY5EHT FK60 (x2)
UTC dB Audio Message 021915 -1 564 A41KB M0UTD IO83 021915 -17 349 A41KB HK3O FJ24 (x8) 022515 +3 1951 A41KB LZ1ZM -16 162415 +6 2004 A41KB EV1R KO33 (x2) 162515 +1 437 A41KB LA9GX JO59 (x2) 162545 -5 638 A41KB LA1AAA JO49
UTC dB Audio Message 120715 +10 2185 A41KB ON7HM JO10 120715 +11 631 A41KB ON3MOH JO10 120745 +8 2185 A41KB ON7HM R-07 120745 +11 631 A41KB ON3MOH JO10 120800 -15 632 ON7HM A41KB RR73 120815 +10 2185 A41KB ON7HM 73 120830 -11 631 CQ A41KB LL93 (x2) 120930 -8 631 SP3DT A41KB -10 (x2) 121030 -16 631 CQ A41KB LL93 a1 121100 -9 631 BD7JNA A41KB -04 (x3) 121230 -10 631 CQ A41KB LL93
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.
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