JF1KMC — 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 JF1KMC, decoded by SO8OO in southeastern Poland. 187 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 31 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-18.
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 187 FT8 messages attributed to JF1KMC as the transmitting token by decoded message structure across 31 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (48%), followed by 80 m (28%) and 40 m (24%). 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 -11 dB.
Overview
Bands
Last attributed message: 2026-10-18 21:13 UTC
Observed FT8 message patterns
- Attributed sample
- 187 messages
- Active dates
- 31 UTC dates
- Estimated median S/N
- -11 dB
- Estimated 10th-90th percentile
- -19 to -3 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 45, moderate (-15 to -9 dB) 71, strong (≥ -8 dB) 71.
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 JF1KMC 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 JF1KMC
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
- PM95 · 97 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 8,693 km (approx.)
- Last such locator decoded
- 2026-10-18 21:13 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 | JF1KMC S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-19 21:11 | 40m | - / -14 | F1DJY | +12 / - | 2 | ✓ Closing fragment |
| 10-19 21:11 | 40m | - / - | F6HRP | -4 / - | 4 | Partial capture |
| 10-19 21:09 | 40m | - / -4 | OT7K | +18 / - | 2 | ✓ Closing fragment |
| 10-18 21:07 | 80m | - / - | HA8IB | 0 / - | 4 | ✓ Closing fragment |
| 10-17 20:26 | 80m | - / -8 | YO9BPX | +12 / - | 2 | ✓ Closing fragment |
| 10-17 20:01 | 80m | - / - | UF5F | -8 / - | 6 | Partial capture |
| 10-16 21:11 | 80m | - / -13 | OH5Z | -2 / - | 2 | Partial capture |
| 10-15 20:43 | 80m | - / -23 | IC8SQS | +2 / - | 2 | Partial capture |
| 10-15 20:35 | 80m | - / -12 | LX1JH | +20 / - | 2 | ✓ Closing fragment |
| 10-15 20:33 | 80m | - / -16 | F6CTT | +20 / - | 2 | ✓ Closing fragment |
| 10-15 20:26 | 80m | -22 / -14 | OH8WW | +8 / -15 | 3 | ✓ Full exchange observed |
| 10-15 20:22 | 80m | -17 / - | OH8WW | - / - | 2 | Partial capture |
| 10-14 21:15 | 40m | - / -1 | UN0GY | -4 / - | 2 | ✓ Closing fragment |
| 10-14 21:07 | 40m | -8 / - | ON1AEY | - / - | 2 | Partial capture |
| 10-14 20:59 | 40m | - / -15 | IZ8XXE | -16 / - | 2 | Partial capture |
| 10-14 20:39 | 80m | - / -15 | IZ6BRN | +1 / - | 2 | ✓ Closing fragment |
| 10-14 20:25 | 80m | - / -19 | UW5KW | +11 / - | 3 | ✓ Closing fragment |
| 10-14 20:23 | 80m | - / -18 | ON4IQ | +4 / - | 2 | ✓ Closing fragment |
| 10-14 20:18 | 80m | -23 / -24 | HB9CXZ | +6 / - | 5 | ✓ Closing observed |
| 10-14 20:13 | 80m | - / - | UW5KW | +8 / - | 2 | Partial capture |
| 10-14 20:12 | 80m | -12 / - | HB9CXZ | - / - | 2 | Partial capture |
| 10-13 20:44 | 80m | - / -16 | EW6BZ | +4 / - | 2 | ✓ Closing fragment |
| 10-13 20:42 | 80m | - / -17 | 5B4AMX | -16 / - | 2 | ✓ Closing fragment |
| 10-12 20:59 | 80m | -13 / - | IK5SRB | +10 / -11 | 5 | Partial capture |
| 10-12 20:55 | 80m | -8 / - | YU0U | -3 / -8 | 3 | ✓ Closing observed |
| 10-12 20:37 | 80m | -8 / - | EA7LIC | - / - | 2 | Partial capture |
| 10-12 20:35 | 80m | -11 / -18 | HB9BLQ | +14 / -14 | 5 | ✓ Full exchange observed |
| 10-12 20:32 | 80m | -6 / - | HB9BLQ | - / - | 2 | Partial capture |
| 10-12 20:27 | 80m | - / -14 | DK7ZT | +9 / - | 3 | Partial capture |
| 10-12 20:27 | 80m | -5 / - | HB9BLQ | - / - | 5 | Partial capture |
| 10-12 20:26 | 80m | -8 / - | RC0CD | - / -1 | 2 | ✓ Closing fragment |
| 10-12 20:24 | 80m | -6 / -19 | SQ9BC | -7 / -22 | 4 | ✓ Full exchange observed |
| 10-12 20:22 | 80m | -7 / -24 | LY1DY | +11 / - | 5 | ✓ Closing observed |
| 10-12 20:22 | 80m | - / - | RK6OQ | -6 / - | 4 | Partial capture |
| 10-12 20:20 | 80m | -4 / -16 | R5BS | -2 / -18 | 4 | ✓ Full exchange observed |
| 10-12 20:19 | 80m | - / -17 | OH6QU | +19 / - | 2 | ✓ Closing fragment |
| 10-12 20:16 | 80m | -8 / - | OH6QU | - / - | 2 | Partial capture |
| 10-11 21:15 | 80m | - / -16 | YO2UKG | +2 / - | 2 | ✓ Closing fragment |
| 10-11 21:10 | 80m | - / -12 | SP7MOC | -4 / - | 2 | ✓ Closing fragment |
| 10-11 20:18 | 80m | - / -21 | S52D | +19 / - | 8 | Partial capture |
| 10-09 20:29 | 80m | -16 / -21 | 9A1AR | +10 / - | 3 | ✓ Closing observed |
| 10-09 20:29 | 80m | - / - | EW8R | +2 / - | 2 | Partial capture |
| 10-09 20:25 | 80m | - / - | IT9PQU | -8 / - | 4 | Partial capture |
| 10-09 20:24 | 80m | -22 / -25 | OM3PR | +12 / - | 2 | Partial capture |
| 10-09 20:15 | 80m | - / - | RK6OQ | -6 / - | 2 | Partial capture |
| 10-09 20:14 | 80m | - / - | RD7O | -5 / - | 4 | Partial capture |
| 10-07 20:36 | 80m | - / -13 | HA1TNX | +21 / - | 3 | ✓ Closing fragment |
| 10-07 20:25 | 80m | - / -14 | S59A | +15 / - | 2 | ✓ Closing fragment |
| 10-06 19:45 | 160m | - / - | DK1AQ | -4 / - | 6 | Partial capture |
| 10-04 21:49 | 40m | - / -10 | 4O4DB | -7 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 205900 -13 2187 JF1KMC IZ8XXE -15 (x2) 210730 -11 294 ON1AEY JF1KMC PM95 (x2) 210915 -8 1344 JF1KMC EA4BPO IN80 211500 -6 2647 JF1KMC UN0GY -01 (x2) 210930 +19 722 JF1KMC OT7K -04 (x2) 211100 -3 2098 JF1KMC F6HRP IN88 211100 +9 665 JF1KMC F1DJY -14 211130 -6 2098 JF1KMC F6HRP IN88 211130 +14 665 JF1KMC F1DJY RR73 211200 -2 1826 JF1KMC F6HRP IN88 (x2)
UTC dB Audio Message 211200 -4 1903 JF1KMC OH5Z -13 195945 +8 1024 JF1KMC LZ1GC -13 200145 -6 1948 JF1KMC UF5F KO98 (x6) 202615 +13 706 JF1KMC YO9BPX -08 (x2) 210730 +5 1816 JF1KMC HA8IB RR73 (x4) 211345 -12 2897 LZ1ZF JF1KMC PM95
UTC dB Audio Message 171600 +6 2393 JF1KMC OH1MLZ -25 (x2) 200930 -4 1749 JF1KMC OH3SR -19 (x2) 205015 -18 2193 JF1KMC UN0GY -18 (x2) 194115 +26 496 JF1KMC OM3SX -17 194515 -4 1001 JF1KMC DK1AQ JO43 (x3) 194645 +17 497 JF1KMC OM3SX RR73 194645 -8 1001 JF1KMC DK1AQ JO43 (x3) 201815 -6 335 JF1KMC 4J3DJ RR73
UTC dB Audio Message 213045 -22 2462 JF1KMC BG5BNW PM00 213430 -19 890 LA4NM JF1KMC PM95 (x3) 213545 -12 2463 JF1KMC BG5BNW PM00 (x2) 213630 -18 890 TA2PCB JF1KMC R-15 220745 -6 380 EA8BBJ JF1KMC PM95 220800 -14 363 JF1KMC EA8BBJ -11 (x2) 220845 -9 380 EA8BBJ JF1KMC 73 192400 +5 826 JF1KMC TA4DX -02 (x4)
UTC dB Audio Message 090800 +10 1252 JF1KMC RR73; CT2IBL <...> -18 111300 -23 1416 JF1KMC ON4IQ RR73 080215 -7 1647 JF1KMC HB9TOC -25 (x2)
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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