A71XX — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving A71XX, decoded by SO8OO in southeastern Poland. 3,101 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, 10m, across 40 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-10-01.
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 3,101 FT8 messages attributed to A71XX as the transmitting token by decoded message structure across 40 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (51%), followed by 20 m (33%) and 80 m (10%). Most decodes (67%) fell within the six-hour window 22:00-04:00 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: 2026-10-01 02:31 UTC
Observed FT8 message patterns
- Attributed sample
- 3,101 messages
- Active dates
- 40 UTC dates
- Estimated median S/N
- -11 dB
- Estimated 10th-90th percentile
- -18 to -1 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 658, moderate (-15 to -9 dB) 1,306, strong (≥ -8 dB) 1,137.
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 A71XX 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 A71XX
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
- LL55 · 1,456 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 3,694 km (approx.)
- Last such locator decoded
- 2026-10-01 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 | A71XX S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-05 16:45 | 160m | - / - | DJ8ES | +6 / - | 3 | Partial capture |
| 10-01 02:40 | 60m | - / -15 | OD5XX | -10 / - | 6 | ✓ Closing fragment |
| 10-01 02:39 | 60m | - / -11 | PE1MHY | -6 / - | 2 | ✓ Closing fragment |
| 10-01 02:32 | 80m | - / - | SV8TOZ | -12 / - | 2 | Partial capture |
| 10-01 02:32 | 80m | - / - | RA3XDX | +6 / - | 2 | Partial capture |
| 10-01 02:31 | 80m | - / - | R3HH | +4 / - | 3 | Partial capture |
| 10-01 02:31 | 80m | - / - | G1CEC | -5 / - | 6 | Partial capture |
| 10-01 02:30 | 80m | -24 / - | OD5XX | - / -14 | 3 | ✓ Closing fragment |
| 10-01 02:29 | 80m | - / - | UR5SG | +8 / - | 2 | Partial capture |
| 10-01 02:28 | 80m | - / -16 | F1PBZ | +2 / - | 3 | Partial capture |
| 10-01 02:28 | 80m | -15 / - | ON6AA | +6 / -7 | 2 | Partial capture |
| 10-01 02:28 | 80m | - / - | TF4M | -5 / - | 8 | Partial capture |
| 08-09 07:46 | 20m | - / - | IZ3EAW | -15 / - | 3 | Partial capture |
| 08-09 07:38 | 20m | - / - | ON4JMV | -11 / - | 10 | Partial capture |
| 08-09 07:34 | 20m | - / - | IK1JUS | -18 / - | 2 | Partial capture |
| 08-09 07:28 | 20m | - / - | ON4JMV | -14 / - | 9 | Partial capture |
| 08-09 07:22 | 20m | - / - | IU1TKQ | -16 / - | 2 | Partial capture |
| 08-09 07:18 | 20m | - / - | ON4JMV | -19 / - | 3 | Partial capture |
| 08-09 07:13 | 20m | - / - | IZ3EAW | -20 / - | 2 | Partial capture |
| 08-09 07:12 | 20m | -20 / - | EA7LHN | - / - | 2 | Partial capture |
| 08-09 07:11 | 20m | -18 / -13 | RT6DZ | -22 / - | 2 | ✓ Closing observed |
| 08-09 07:08 | 20m | -19 / - | HA1ZW | - / - | 2 | Partial capture |
| 08-09 06:41 | 20m | -13 / - | MM0JTV | - / -16 | 4 | Partial capture |
| 08-09 06:26 | 20m | - / -13 | DG9EAL | -16 / - | 3 | Partial capture |
| 08-09 06:16 | 20m | - / - | ON8BB | -10 / - | 2 | Partial capture |
| 08-09 06:08 | 20m | - / - | RO6OT | -16 / - | 2 | Partial capture |
| 08-09 06:01 | 20m | - / - | HB9ACA | -12 / - | 4 | Partial capture |
| 08-09 05:49 | 20m | - / - | OK1KM | -15 / - | 7 | Partial capture |
| 08-09 05:30 | 20m | -12 / - | UA0SM | - / - | 2 | Partial capture |
| 08-09 05:28 | 20m | -20 / - | SV5AZK | -17 / -16 | 4 | ✓ Closing observed |
| 08-09 05:26 | 20m | -18 / - | DL3IKE | - / - | 2 | ✓ Closing fragment |
| 08-09 05:24 | 20m | - / - | OK1KM | -20 / - | 3 | Partial capture |
| 08-09 05:22 | 20m | -8 / - | OE8PPL | - / +5 | 6 | Partial capture |
| 08-09 05:19 | 20m | -12 / - | S55X | - / - | 5 | Partial capture |
| 08-09 05:16 | 20m | -13 / - | DH3KR | - / -13 | 6 | Partial capture |
| 08-09 05:14 | 20m | +9 / - | ZL3XA | - / - | 2 | ✓ Closing fragment |
| 08-09 05:13 | 20m | -2 / -4 | TA2ANK | -10 / -2 | 5 | ✓ Full exchange observed |
| 08-09 05:03 | 20m | - / - | RT6C | -11 / - | 4 | Partial capture |
| 08-09 05:00 | 20m | -15 / - | E75W | - / -8 | 2 | ✓ Closing fragment |
| 08-09 04:58 | 20m | -17 / - | ZL1RFF | - / -15 | 3 | ✓ Closing fragment |
| 08-09 04:57 | 20m | -14 / - | DL2YAJ | - / -15 | 2 | Partial capture |
| 08-09 04:26 | 40m | - / -12 | OK1NZ | -12 / - | 3 | ✓ Closing fragment |
| 08-09 04:20 | 40m | - / - | F1UGD | -22 / - | 4 | Partial capture |
| 08-09 04:17 | 40m | - / - | IK1QLD | -8 / - | 3 | Partial capture |
| 08-09 04:01 | 40m | - / -14 | DL5DQZ | -5 / - | 2 | ✓ Closing fragment |
| 08-09 03:42 | 40m | - / -14 | UA3GPM | -12 / - | 2 | ✓ Closing fragment |
| 08-09 03:01 | 40m | - / -2 | CN8NS | -13 / - | 2 | ✓ Closing fragment |
| 08-09 02:51 | 40m | - / - | RY7F | -14 / - | 8 | Partial capture |
| 08-09 02:21 | 60m | -14 / - | HF5A | - / -3 | 3 | ✓ Closing fragment |
| 08-09 02:20 | 60m | -17 / - | WP3UX | -20 / -12 | 12 | ✓ Closing observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 164515 +10 2124 A71XX SP3BPU JO82 164515 +2 870 A71XX DJ8ES JO43 164545 -17 592 A71XX RU4I -05 164545 -3 1557 A71XX RC1TF -02 164545 -16 1998 A71XX IZ3KIF -05 164545 +2 1021 A71XX DJ8ES JO43 (x2)
UTC dB Audio Message 023230 -17 2224 CQ A71XX LL55 (x6) 023900 -6 838 A71XX PE1MHY -11 023900 -17 1535 A71XX OH1LA KP01 023930 -6 838 A71XX PE1MHY RR73 024030 -18 1194 A71XX OD5XX KM73 (x6)
UTC dB Audio Message 023200 +1 2306 A71XX TF4M HP85 023200 +10 2595 A71XX RA3XDX KO85 023200 +6 2360 A71XX R3HH KO95 023200 +4 1559 A71XX HA5CPN JN87 023200 -4 2237 A71XX G1CEC IO83 023230 -8 2306 A71XX TF4M HP85 023230 -16 1560 A71XX SV8TOZ KM18 023230 +1 2595 A71XX RA3XDX KO85 023230 +1 2360 A71XX R3HH KO95 023230 -12 2237 A71XX G1CEC IO83 023300 -2 2306 A71XX TF4M HP85 023300 -8 1560 A71XX SV8TOZ KM18 023300 -4 2237 A71XX G1CEC IO83 023330 -2 2306 A71XX TF4M HP85 023330 -8 2237 A71XX G1CEC IO83
UTC dB Audio Message 073400 -20 1726 A71XX IK1JUS JN35 (x2) 073830 -11 1097 A71XX ON4JMV JO10 (x10) 074600 -15 1466 A71XX IZ3EAW JN55 (x3)
UTC dB Audio Message 040545 -2 643 A71XX I3LID JN55 040900 -7 2282 A71XX TM00TFR -15 041730 -8 1310 A71XX IK1QLD JN34 (x3) 042030 -22 1811 A71XX F1UGD IN94 042100 -12 1310 A71XX OK1NZ -09 042100 -22 1811 A71XX F1UGD IN94 (x3) 042630 -13 1310 A71XX OK1NZ -12 (x3) 043245 -18 1715 A71XX YO3YX RR73 043600 -5 2782 A71XX DL8MKG RR73
UTC dB Audio Message 170845 -20 1558 EA8EE A71XX -04 (x2) 171045 -24 1558 DG1MJG A71XX RR73 171215 -19 1558 CS7BLU A71XX RR73 171245 -20 1558 CQ A71XX LL55 171315 -16 1558 IZ1MLQ A71XX -14 (x2) 171415 -24 1558 CQ A71XX LL55 a1 171445 -23 1558 YL3MM A71XX -08 171645 -20 1558 CU7MD A71XX RR73 171715 -22 1558 CQ A71XX LL55 (x2) 150300 -14 1703 A71XX IK8NSR JN72 (x2) 152430 -17 2347 A71XX LZ1JZ RR73
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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