UI0A — 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 UI0A, decoded by SO8OO in southeastern Poland. 65 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 13 UTC dates in the available aggregate history. Observed between 2026-06-14 and 2026-10-14.
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 65 FT8 messages attributed to UI0A as the transmitting token by decoded message structure across 13 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (68%), followed by 40 m (23%) and 20 m (9%). Several six-hour UTC windows tied for the largest share (100%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -14 dB.
Overview
Bands
Last attributed message: 2026-10-14 23:58 UTC
Observed FT8 message patterns
- Attributed sample
- 65 messages
- Active dates
- 13 UTC dates
- Estimated median S/N
- -14 dB
- Estimated 10th-90th percentile
- -21 to -8 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 25, moderate (-15 to -9 dB) 32, strong (≥ -8 dB) 8.
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 UI0A 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 UI0A
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
- NO56 · 42 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 4,465 km (approx.)
- Last such locator decoded
- 2026-10-14 23:58 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 | UI0A S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 11-06 01:43 | 40m | - / -14 | CT1BFP | -20 / - | 3 | ✓ Closing fragment |
| 11-05 22:39 | 80m | - / - | LA4NM | +11 / - | 4 | Partial capture |
| 11-05 22:36 | 80m | - / -19 | CT7BRV | -7 / - | 5 | ✓ Closing fragment |
| 11-05 22:33 | 80m | - / -13 | RL3QGD | -9 / - | 4 | ✓ Closing fragment |
| 11-02 22:37 | 80m | - / - | F8FKI | +10 / - | 3 | ✓ Closing fragment |
| 10-31 02:59 | 40m | - / -17 | F1PBZ | +4 / - | 4 | Partial capture |
| 10-25 22:53 | 40m | - / -17 | ON1JP | -14 / - | 2 | Partial capture |
| 10-25 13:20 | 40m | - / - | R6OAG | -10 / - | 2 | Partial capture |
| 10-20 23:16 | 80m | - / - | DO8JB | -5 / - | 3 | Partial capture |
| 10-19 01:01 | 40m | - / - | DL1MEV | -7 / - | 8 | Partial capture |
| 10-19 00:58 | 40m | - / -6 | R4FDD | +6 / - | 2 | ✓ Closing fragment |
| 10-19 00:57 | 40m | - / -10 | ON8WR | +7 / - | 3 | ✓ Closing fragment |
| 10-18 23:22 | 40m | - / -19 | TA3NK | -14 / - | 3 | ✓ Closing fragment |
| 10-18 23:20 | 40m | - / -14 | S57MPU | -11 / - | 2 | Partial capture |
| 10-18 00:56 | 40m | - / - | UA9SY | -6 / - | 6 | Partial capture |
| 10-18 00:54 | 40m | - / - | F4HKP | -1 / - | 3 | Partial capture |
| 10-18 00:51 | 40m | - / -7 | EA5JLB | -6 / - | 2 | Partial capture |
| 10-14 23:55 | 80m | -13 / -11 | UA3IDQ | -11 / - | 3 | ✓ Closing observed |
| 10-14 01:52 | 40m | - / -15 | RA4ABH | -20 / - | 2 | ✓ Closing fragment |
| 10-14 01:46 | 40m | - / - | UA9SY | -14 / - | 2 | Partial capture |
| 10-14 01:43 | 40m | - / 0 | UA9SAV | -13 / - | 3 | ✓ Closing fragment |
| 10-13 22:40 | 80m | - / - | DO5PY | +3 / - | 4 | Partial capture |
| 10-13 22:36 | 80m | - / -18 | R4SCQ | -14 / - | 2 | ✓ Closing fragment |
| 10-08 00:30 | 40m | - / - | PT7YB | -2 / - | 3 | Partial capture |
| 09-24 23:13 | 80m | - / - | R7HL | +1 / - | 2 | Partial capture |
| 09-23 23:04 | 80m | - / -16 | RI1FJZ | -16 / - | 2 | ✓ Closing fragment |
| 09-22 23:09 | 40m | - / -10 | RA5AD | +6 / - | 2 | ✓ Closing fragment |
| 09-20 23:07 | 80m | - / - | R5BM | -1 / - | 7 | Partial capture |
| 09-17 23:03 | 80m | - / +1 | RD9U | -16 / - | 2 | ✓ Closing fragment |
| 09-17 23:01 | 80m | - / -12 | R4HHN | +6 / - | 4 | ✓ Closing fragment |
| 09-16 22:37 | 80m | - / -16 | R4FV | -4 / - | 2 | Partial capture |
| 09-09 23:06 | 80m | - / -10 | R4HHN | -3 / - | 3 | ✓ Closing fragment |
| 09-08 23:13 | 80m | - / -18 | RW6AU | +1 / - | 2 | Partial capture |
| 09-08 23:10 | 80m | - / -21 | R5AV | +7 / - | 2 | Partial capture |
| 09-07 23:13 | 80m | -21 / -16 | IS0CAK | -3 / -17 | 7 | ✓ Full exchange observed |
| 09-07 23:12 | 80m | -24 / -18 | I8OHQ | -7 / - | 2 | ✓ Closing observed |
| 09-07 23:09 | 80m | -11 / +1 | R8CKD | -14 / -3 | 3 | Partial capture |
| 09-07 23:08 | 80m | -17 / - | DO8JB | -7 / -20 | 9 | ✓ Closing observed |
| 09-07 23:08 | 80m | -13 / +6 | RL3T | -7 / -2 | 5 | ✓ Full exchange observed |
| 09-06 23:04 | 40m | - / -3 | R9YM | -8 / - | 2 | Partial capture |
| 09-06 23:03 | 40m | - / - | DK8HC | -5 / - | 5 | Partial capture |
| 09-06 23:03 | 40m | - / - | TA3NK | -5 / - | 8 | Partial capture |
| 09-06 23:01 | 40m | -13 / -8 | RW3SB | -4 / - | 3 | ✓ Closing observed |
| 09-03 23:00 | 40m | - / -3 | RY4D | -11 / - | 2 | ✓ Closing fragment |
| 09-01 23:08 | 40m | - / - | RD7O | +10 / - | 2 | ✓ Closing fragment |
| 09-01 23:08 | 40m | - / - | UA9SY | -15 / - | 7 | Partial capture |
| 08-30 23:02 | 80m | -22 / -18 | I4IKW | -1 / -17 | 5 | ✓ Full exchange observed |
| 08-30 23:00 | 80m | -16 / -25 | SP3BZU | +13 / -13 | 5 | ✓ Full exchange observed |
| 08-30 22:57 | 80m | -12 / -15 | RM5F | -6 / -4 | 3 | ✓ Full exchange observed |
| 08-29 15:58 | 40m | - / -12 | RA3PDL | 0 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 132015 -9 634 UI0A R6OAG KN88 (x2) 224715 -12 830 UI0A ON1JP -16 (x3) 025915 +4 1040 UI0A F1PBZ -17 (x4) 021245 -10 888 UI0A RC3KK KO90 014200 -17 1312 UI0A IU8RFW JN70 014330 -22 1560 UI0A CT1BFP IM59 (x3) 014700 -6 1312 UI0A IU8RFW JN70
UTC dB Audio Message 223800 +13 2851 UI0A F8FKI JN39 (x2) 223345 -2 515 UI0A RL3QGD KO91 (x4) 223615 -6 1783 UI0A CT7BRV IM58 (x5) 223945 +11 515 UI0A LA4NM JO49 (x4)
UTC dB Audio Message 234430 -15 970 UI0A EA5W IM97 (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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