R8UJ — 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 R8UJ, decoded by SO8OO in southeastern Poland. 7 FT8 messages attributed to this token as transmitter, on 80m, across 1 UTC dates in the available aggregate history. Last observed 2026-07-28.
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 7 FT8 messages attributed to R8UJ as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (100%). In this small sample, the estimated median decoder S/N was -22 dB; no usual signal pattern is inferred.
Overview
Observed FT8 message patterns
- Attributed sample
- 7 messages
- Active dates
- 1 UTC dates
- Estimated median S/N
- -22 dB
- S/N percentile sample
- Too small
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 7, moderate (-15 to -9 dB) 0, strong (≥ -8 dB) 0.
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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).
Frequent counterpart tokens observed at SO8OO
Tokens most often paired with R8UJ in decoded directed-looking exchanges:
Most frequent locator attributed to R8UJ
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
- NO33 · 2 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 4,351 km (approx.)
- Last such locator decoded
- 2026-07-28 19:46 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 | R8UJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-22 15:15 | 80m | - / -21 | R5ACQ | -14 / - | 2 | ✓ Closing fragment |
| 10-22 15:00 | 40m | - / - | OK1FRG | +14 / - | 2 | Partial capture |
| 10-22 14:56 | 40m | - / - | RV3GZ | -9 / - | 2 | ✓ Closing fragment |
| 10-22 14:52 | 40m | - / - | R2HE | -15 / - | 2 | Partial capture |
| 10-22 14:50 | 40m | - / -14 | UA3GDJ | +10 / - | 2 | ✓ Closing fragment |
| 10-22 14:46 | 40m | - / -4 | UA3UBV | -19 / - | 3 | ✓ Closing fragment |
| 10-22 14:42 | 40m | - / - | UA3UBV | -16 / - | 2 | Partial capture |
| 10-22 14:41 | 40m | - / -1 | R3KF | 0 / - | 2 | ✓ Closing fragment |
| 10-22 14:38 | 40m | - / -10 | RW3SB | -2 / - | 4 | ✓ Closing fragment |
| 10-21 14:47 | 40m | - / -4 | RA0SCZ | -13 / - | 2 | Partial capture |
| 10-21 14:44 | 40m | - / -4 | R3KJF | -4 / - | 2 | ✓ Closing fragment |
| 10-21 14:07 | 40m | - / -12 | RY2B | -19 / - | 4 | ✓ Closing fragment |
| 10-16 18:44 | 40m | - / - | R2BIN | -2 / - | 2 | ✓ Closing fragment |
| 10-16 18:31 | 40m | - / -15 | R4FDK | -10 / - | 5 | Partial capture |
| 10-16 18:28 | 40m | - / - | RV3DFC | -16 / - | 2 | Partial capture |
| 10-16 17:58 | 40m | - / - | RK6MC | -11 / - | 2 | Partial capture |
| 10-16 17:56 | 40m | - / -22 | IK5PWQ | +1 / - | 5 | Partial capture |
| 10-16 17:41 | 40m | - / -6 | RD3FY | -8 / - | 3 | Partial capture |
| 10-16 17:40 | 40m | - / - | R2DRY | -2 / - | 4 | Partial capture |
| 10-16 17:37 | 40m | - / -14 | EU1FQ | +11 / - | 6 | ✓ Closing fragment |
| 10-16 17:34 | 40m | - / - | EU1FQ | +10 / - | 2 | Partial capture |
| 10-16 17:29 | 40m | - / - | RD3FY | +2 / - | 4 | Partial capture |
| 10-14 17:58 | 40m | - / -15 | DH5BM | +4 / - | 2 | ✓ Closing fragment |
| 10-14 17:48 | 40m | - / -12 | UW5ESX | -8 / - | 9 | Partial capture |
| 10-14 17:45 | 40m | - / - | RD3FY | +1 / - | 5 | Partial capture |
| 10-14 17:32 | 80m | - / -8 | UA9UIS | -19 / - | 2 | ✓ Closing fragment |
| 10-14 16:57 | 80m | - / -15 | R4CC | -10 / - | 2 | Partial capture |
| 10-14 16:54 | 80m | - / -11 | RQ3M | -2 / - | 3 | ✓ Closing fragment |
| 10-14 16:44 | 40m | - / -2 | ON3MOH | -11 / - | 3 | Partial capture |
| 10-14 16:42 | 40m | - / -23 | R2EA | 0 / - | 2 | Partial capture |
| 10-12 19:17 | 40m | - / -14 | RL3FA | -17 / - | 3 | Partial capture |
| 10-12 19:15 | 40m | - / -21 | 4Z4DX | -4 / - | 2 | Partial capture |
| 10-12 19:15 | 40m | - / - | RA6OY | 0 / - | 6 | Partial capture |
| 10-09 19:02 | 40m | - / - | DK5WL | +6 / - | 3 | Partial capture |
| 10-07 18:11 | 40m | - / - | F4BYA | +10 / - | 4 | Partial capture |
| 10-07 17:31 | 40m | - / - | DK5WL | +8 / - | 2 | Partial capture |
| 10-04 17:35 | 40m | - / - | OK1DXR | -12 / - | 2 | Partial capture |
| 10-04 17:29 | 40m | - / -11 | RA6LO | -8 / - | 4 | ✓ Closing fragment |
| 09-28 19:53 | 40m | - / - | RU3UR | -6 / - | 2 | ✓ Closing fragment |
| 09-28 19:53 | 40m | - / -21 | SV2AEL | +2 / - | 2 | Partial capture |
| 09-26 20:15 | 80m | - / -17 | RA7T | -5 / - | 6 | ✓ Closing fragment |
| 09-26 20:02 | 40m | - / - | ON5MX | -6 / - | 3 | Partial capture |
| 09-26 19:49 | 40m | - / -20 | 9A5CW | +1 / - | 14 | Partial capture |
| 09-25 18:56 | 80m | - / -20 | YL3KZ | -2 / - | 4 | ✓ Closing fragment |
| 09-25 18:30 | 80m | - / -12 | UN7LAN | -16 / - | 2 | Partial capture |
| 09-25 18:22 | 80m | - / -1 | R9UG | -21 / - | 3 | ✓ Closing fragment |
| 09-25 18:20 | 80m | - / -11 | RA3VX | -3 / - | 6 | ✓ Closing fragment |
| 09-25 18:18 | 80m | - / -16 | RU9CK | -16 / - | 3 | ✓ Closing fragment |
| 09-25 18:18 | 80m | - / - | IK0HBN | +9 / - | 3 | Partial capture |
| 09-24 19:20 | 80m | - / -16 | UA3SCU | -3 / - | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 201645 -2 2565 R8UJ RA7T -17 (x3) 202430 -9 469 R8UJ UB3ANV KO88 165445 -6 2090 R8UJ RQ3M KO97 (x3) 165715 -13 303 R8UJ R4CC LO31 (x2) 172815 -24 1809 R8UJ R8CEG MO06 173215 -21 512 R8UJ UA9UIS R-08 (x2) 174015 -24 2022 R8UJ R9FDM R-13 151545 -15 2120 R8UJ R5ACQ R-21 (x2)
UTC dB Audio Message 144245 -15 1221 R8UJ UA3UBV LO07 (x4) 144715 -24 1401 R8UJ R9FF LO88 144745 -12 487 R8UJ UA4CKN -18 144745 -20 1221 R8UJ UA3UBV RR73 145045 +8 486 R8UJ UA3GDJ R-14 (x2) 145245 -18 1640 R8UJ R2HE KO86 (x2) 145615 -7 486 R8UJ RV3GZ KO92 (x2) 150015 +15 2825 R8UJ OK1FRG JN79 (x2)
UTC dB Audio Message 182815 +16 406 R8UJ DH2RL R-16 182915 +8 2012 R8UJ OS4K -08 182915 +5 405 R8UJ F1ODM -11 182945 +11 2012 R8UJ OS4K -08 182945 +10 405 R8UJ F1ODM -11 183015 +11 2012 R8UJ OS4K -08 183015 +9 405 R8UJ F1ODM RR73 183045 +8 2012 R8UJ OS4K -08 183415 +4 2818 R8UJ F4BYA JN19 (x4) 180945 -8 958 R8UJ LA2GCA JO49 (x3)
CW
No CW receptions recorded for this callsign in the last 30 days.
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