UR5KCR — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving UR5KCR, decoded by SO8OO in southeastern Poland. 110 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 5 UTC dates in the available aggregate history. Observed between 2026-06-30 and 2026-07-08.
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 110 FT8 messages attributed to UR5KCR as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (77%), followed by 80 m (17%) and 20 m (5%). Several six-hour UTC windows tied for the largest share (82%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.
Overview
Bands
Last attributed message: 2026-07-08 17:17 UTC
Observed FT8 message patterns
- Attributed sample
- 110 messages
- Active dates
- 5 UTC dates
- Estimated median S/N
- -9 dB
- Estimated 10th-90th percentile
- -18 to -1 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 16, moderate (-15 to -9 dB) 43, strong (≥ -8 dB) 51.
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 UR5KCR 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 UR5KCR
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
- KO20 · 60 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 237 km (approx.)
- Last such locator decoded
- 2026-07-08 17:08 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 | UR5KCR S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-24 15:17 | 10m | - / -6 | ES0RY | -10 / - | 2 | ✓ Closing fragment |
| 07-24 15:17 | 10m | - / - | DL3RDO | -16 / - | 4 | ✓ Closing fragment |
| 07-24 15:11 | 10m | - / - | DL3RDO | -10 / - | 3 | Partial capture |
| 07-24 15:11 | 10m | - / -16 | DO5PY | -8 / - | 2 | Partial capture |
| 07-24 12:29 | 10m | - / -22 | DJ0MAB | -10 / - | 6 | Partial capture |
| 07-24 12:24 | 10m | - / +9 | RN6MA | -21 / - | 2 | Partial capture |
| 07-24 12:23 | 10m | - / -4 | F1PBZ | 0 / - | 3 | Partial capture |
| 07-24 08:48 | 10m | - / - | DF8MV | 0 / - | 2 | ✓ Closing fragment |
| 07-24 08:46 | 10m | - / -18 | F4BJN | -24 / - | 2 | ✓ Closing fragment |
| 07-24 08:42 | 10m | - / - | DF8MV | -2 / - | 5 | Partial capture |
| 07-24 08:32 | 10m | - / -4 | TK5K | 0 / - | 2 | ✓ Closing fragment |
| 07-08 19:16 | 80m | - / -16 | HA7TM | +21 / - | 3 | ✓ Closing fragment |
| 07-08 17:16 | 40m | -10 / - | IZ8PPI | - / -11 | 2 | ✓ Closing fragment |
| 07-08 17:12 | 40m | -2 / - | HA3GX | - / +5 | 2 | Partial capture |
| 07-08 17:12 | 40m | -4 / - | DL6ZXG | -10 / -2 | 4 | Partial capture |
| 07-08 17:11 | 40m | -5 / - | SP7TF | - / +8 | 3 | Partial capture |
| 07-08 16:24 | 20m | - / -14 | DH1FA | -18 / - | 2 | Partial capture |
| 07-08 07:04 | 40m | -10 / - | GJ0KYZ | - / - | 10 | Partial capture |
| 07-07 19:29 | 40m | -10 / - | DL1IP | -9 / +4 | 4 | ✓ Closing observed |
| 07-07 19:16 | 80m | - / -17 | HF5A | +6 / - | 4 | ✓ Closing fragment |
| 07-07 18:23 | 40m | -8 / - | ZS6NL | - / - | 7 | Partial capture |
| 07-07 18:21 | 40m | -6 / - | IK4LZH | - / +10 | 2 | ✓ Closing fragment |
| 07-07 18:19 | 40m | -11 / - | S57MG | -19 / -2 | 2 | Partial capture |
| 07-07 18:07 | 40m | -24 / - | SV9QWC | - / 0 | 2 | Partial capture |
| 07-07 18:03 | 40m | - / - | UR4UUR | -22 / - | 2 | Partial capture |
| 07-07 18:01 | 40m | - / -4 | SP1ADT | -10 / - | 3 | ✓ Closing fragment |
| 07-07 17:55 | 40m | -23 / - | SV1DKR | - / -7 | 3 | Partial capture |
| 07-07 07:26 | 20m | - / - | HG8LXL | -11 / - | 2 | Partial capture |
| 07-07 07:23 | 20m | - / -13 | DK7ZT | -18 / - | 2 | ✓ Closing fragment |
| 07-07 07:03 | 20m | - / - | PD1HPB | -17 / - | 4 | Partial capture |
| 07-07 07:02 | 20m | - / -13 | DL3MIB | -10 / - | 7 | ✓ Closing fragment |
| 07-07 07:02 | 20m | - / - | DL9KM | -14 / - | 5 | Partial capture |
| 07-07 07:02 | 20m | - / - | F5RRS | -7 / - | 3 | Partial capture |
| 07-06 21:46 | 80m | -3 / - | LZ01MIKU | - / +4 | 3 | Partial capture |
| 07-06 21:35 | 40m | - / -10 | OK1WCF | -5 / - | 4 | ✓ Closing fragment |
| 07-06 21:29 | 40m | - / -1 | HG8LXL | 0 / - | 4 | ✓ Closing fragment |
| 07-06 21:19 | 40m | -10 / - | F1IQH | - / -5 | 2 | ✓ Closing fragment |
| 07-06 21:15 | 40m | -11 / - | LA5JY | - / - | 2 | Partial capture |
| 07-06 21:11 | 40m | -8 / - | <...> | - / - | 3 | Partial capture |
| 07-06 21:09 | 40m | -10 / - | F5PBG | - / -10 | 2 | ✓ Closing fragment |
| 07-06 21:07 | 40m | -10 / - | A61DD | - / - | 2 | ✓ Closing fragment |
| 07-06 20:05 | 40m | - / - | PA3AGN | -17 / - | 2 | ✓ Closing fragment |
| 07-06 19:25 | 40m | -8 / -10 | ON4CAS | -12 / -11 | 6 | ✓ Full exchange observed |
| 07-06 19:10 | 40m | -9 / - | <...> | - / -15 | 15 | Partial capture |
| 07-06 19:04 | 40m | -15 / - | EI4JFB | - / -8 | 2 | Partial capture |
| 07-06 18:10 | 40m | - / - | E70SZ | -6 / - | 2 | ✓ Closing fragment |
| 07-06 18:01 | 80m | - / - | UA4FKT | +3 / - | 3 | Partial capture |
| 07-06 17:58 | 80m | -3 / -11 | UT3XM | +3 / +1 | 5 | ✓ Full exchange observed |
| 07-06 17:57 | 80m | +2 / - | DG2PHE | - / - | 3 | Partial capture |
| 07-06 17:46 | 10m | - / -6 | F1PBZ | +6 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 123145 -2 390 UR5KCR DJ0MAB R-22 (x3) 151130 -10 1325 UR5KCR DO5PY -16 151130 -3 1487 UR5KCR DL3RDO JN68 151200 -7 1325 UR5KCR DO5PY -16 151200 -11 1487 UR5KCR DL3RDO JN68 (x3) 151730 -8 767 UR5KCR ES0RY -06 151730 -17 1058 UR5KCR DL3RDO JN68 151930 -11 767 UR5KCR ES0RY RR73 151930 -18 1915 UR5KCR DL3RDO JN68 (x2) 071800 -16 1766 UR5KCR ON8PB RR73
UTC dB Audio Message 070945 -7 1021 GJ0KYZ UR5KCR KO20 170830 -15 1021 CQ UR5KCR KO20 170930 -13 1021 PE1NPS UR5KCR -05 171100 -7 1021 SP7TF UR5KCR R+08 (x3) 171215 -10 2691 UR5KCR DL6ZXG JO51 171230 -2 1021 HA3GX UR5KCR +05 171300 -1 1022 DL6ZXG UR5KCR -02 (x2) 171430 -2 1022 HA3GX UR5KCR +05 171530 -8 1022 DL6ZXG UR5KCR -02 171630 -11 1022 IZ8PPI UR5KCR R-11 (x2) 205415 -10 738 UR5KCR F1PBZ -21
UTC dB Audio Message 180230 +2 799 UR5KCR UA4FKT LO23 180330 +1 800 DL2RN UR5KCR KO20 214300 +0 982 CQ UR5KCR KO20 214530 -7 1920 UR5KCR <...> -20 214615 -8 982 LZ01MIKU UR5KCR R+04 (x3) 191600 +0 1052 DO2KMB UR5KCR KO20 191645 +4 2676 UR5KCR HF5A JO92 (x4) 191615 +23 985 UR5KCR HA7TM JN97 (x3)
UTC dB Audio Message 070600 -19 2188 UR5KCR PA0LDE JO22 070600 -9 1109 UR5KCR DL3MIB 73 070930 -16 1056 UR5KCR TA3ZGR -17 071230 -12 2860 UR5KCR DL1BBO R-17 071730 -17 2472 UR5KCR PE1NPS JO22 072100 -6 611 UR5KCR DL6UM R-16 072130 -7 1053 UR5KCR 9A4ZM JN86 072300 -20 2082 UR5KCR DK7ZT -13 (x2) 072630 -12 2662 UR5KCR HG8LXL KN06 (x2) 073445 -11 1053 UR5KCR 9A4ZM JN86 162415 -16 1809 UR5KCR DH1FA -14 (x2) 162845 -9 631 UR5KCR DK8HC JO42
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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