N4UUH — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving N4UUH, decoded by SO8OO in southeastern Poland. 99 FT8 messages attributed to this token as transmitter, on 20m, across 6 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-06-29.
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 99 FT8 messages attributed to N4UUH as the transmitting token by decoded message structure across 6 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). Most decodes (100%) fell within the six-hour window 22:00-04:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's moderate S/N range (61%); the estimated median was -13 dB.
Overview
Observed FT8 message patterns
- Attributed sample
- 99 messages
- Active dates
- 6 UTC dates
- Estimated median S/N
- -13 dB
- Estimated 10th-90th percentile
- -19 to -6 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 25, moderate (-15 to -9 dB) 60, strong (≥ -8 dB) 14.
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 N4UUH in decoded directed-looking exchanges:
Most frequent locator attributed to N4UUH
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
- EM77 · 59 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 7,943 km (approx.)
- Last such locator decoded
- 2026-06-29 01:41 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 | N4UUH S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-30 21:35 | 20m | - / -20 | A71UN | -13 / - | 4 | Partial capture |
| 07-19 02:04 | 80m | - / -18 | F4CTJ | 0 / - | 4 | Partial capture |
| 07-19 01:59 | 80m | - / -18 | TN8GD | -23 / - | 9 | Partial capture |
| 06-29 01:41 | 20m | -20 / - | VC3F | - / - | 2 | Partial capture |
| 06-24 23:58 | 20m | - / -7 | A71UN | -12 / - | 3 | Partial capture |
| 06-24 03:55 | 20m | - / - | IK2LRF | -15 / - | 7 | Partial capture |
| 06-24 03:46 | 20m | -12 / - | F4HQL | - / -24 | 3 | ✓ Closing fragment |
| 06-24 03:42 | 20m | -12 / - | PA3WB | - / -24 | 2 | Partial capture |
| 06-24 03:39 | 20m | -11 / 0 | IK1QLD | -5 / -24 | 6 | ✓ Full exchange observed |
| 06-24 03:38 | 20m | - / - | R7MP | -20 / - | 2 | Partial capture |
| 06-24 03:34 | 20m | -13 / - | IZ8DBJ | - / -13 | 3 | ✓ Closing fragment |
| 06-24 03:31 | 20m | -12 / -8 | SV5BYP | -13 / -24 | 8 | ✓ Full exchange observed |
| 06-24 03:26 | 20m | - / - | SV5BYP | -13 / - | 3 | Partial capture |
| 06-24 03:26 | 20m | - / -11 | A71AT | -10 / - | 7 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 035730 -13 1703 N4UUH IK2LRF JN45 (x4) 235800 -10 1350 N4UUH A71UN -07 (x3) 014115 -20 2377 VC3F N4UUH EM77 (x2) 190200 -9 2380 N4UUH R4GM LO33 213530 -12 901 N4UUH A71UN -20 (x4) 213800 -8 2530 N4UUH DK2FM JO61
UTC dB Audio Message 015900 -20 914 N4UUH TN8GD -18 (x9) 020415 +3 1048 N4UUH F4CTJ -18 (x4)
UTC dB Audio Message 015300 +5 2733 N4UUH IQ4JO JN63
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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