DL8OBF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving DL8OBF, decoded by SO8OO in southeastern Poland. 278 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, across 7 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-09-04.
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 278 FT8 messages attributed to DL8OBF as the transmitting token by decoded message structure across 7 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (49%), followed by 80 m (38%) and 20 m (12%). Most decodes (53%) fell within the six-hour window 00:00-06:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (73%); the estimated median was +3.5 dB.
Overview
Bands
Last attributed message: 2026-09-04 19:58 UTC
Observed FT8 message patterns
- Attributed sample
- 278 messages
- Active dates
- 7 UTC dates
- Estimated median S/N
- +3.5 dB
- Estimated 10th-90th percentile
- -15 to +12 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 20, moderate (-15 to -9 dB) 56, strong (≥ -8 dB) 202.
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 DL8OBF 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 DL8OBF
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
- JO52 · 169 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 803 km (approx.)
- Last such locator decoded
- 2026-09-04 19:14 UTC
Other locator fields attributed to this token: JO44 (1).
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 | DL8OBF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-04 19:09 | 40m | +9 / 0 | EX7CQ | -13 / - | 16 | Partial capture |
| 09-04 19:04 | 40m | +6 / - | G0BKC | -4 / -14 | 7 | ✓ Closing observed |
| 09-04 19:01 | 40m | +10 / +3 | UB2FDL | -2 / -10 | 6 | ✓ Full exchange observed |
| 09-04 18:59 | 40m | +12 / -5 | LA8ENA | +13 / -10 | 4 | ✓ Full exchange observed |
| 09-04 18:50 | 80m | +14 / - | LY7T | - / - | 2 | Partial capture |
| 09-04 18:48 | 80m | +6 / - | <...> | - / 0 | 2 | Partial capture |
| 09-01 21:25 | 80m | +14 / - | TF4M | -9 / -14 | 9 | ✓ Full exchange observed |
| 09-01 21:22 | 40m | - / - | JF1UVJ | -16 / - | 2 | Partial capture |
| 09-01 21:21 | 40m | +8 / +3 | DH1KJ | -1 / -8 | 5 | ✓ Full exchange observed |
| 09-01 21:21 | 40m | - / - | SV1EKI | -8 / - | 4 | Partial capture |
| 08-30 12:04 | 40m | -12 / - | PG9S | - / -12 | 2 | ✓ Closing fragment |
| 08-30 11:58 | 40m | -10 / - | DL1FAM | -16 / -4 | 6 | ✓ Full exchange observed |
| 08-30 11:57 | 40m | -9 / - | DC7MA | - / -7 | 5 | ✓ Closing fragment |
| 08-30 11:55 | 40m | -8 / - | DA0RR | - / -12 | 4 | ✓ Closing fragment |
| 08-30 11:53 | 40m | -4 / - | DF0WH | - / -10 | 2 | Partial capture |
| 08-30 11:53 | 40m | -4 / - | F5LVR | - / -17 | 2 | ✓ Closing fragment |
| 08-30 11:51 | 40m | -8 / - | DA0RR | - / - | 2 | Partial capture |
| 08-30 11:49 | 20m | - / -13 | AA3B | -4 / - | 3 | Partial capture |
| 08-30 11:40 | 20m | -14 / - | UT7UJ | - / +2 | 2 | Partial capture |
| 08-30 11:35 | 20m | -10 / - | IU6UAQ | - / - | 2 | Partial capture |
| 08-30 11:31 | 20m | - / -3 | IU5VNO | -10 / - | 2 | ✓ Closing fragment |
| 08-30 06:51 | 40m | +2 / - | F5RRS | - / - | 2 | Partial capture |
| 08-30 06:48 | 40m | +2 / - | G8KHF | - / -4 | 3 | ✓ Closing fragment |
| 08-30 06:13 | 40m | +3 / - | TI4LAS | - / - | 7 | Partial capture |
| 08-30 05:52 | 40m | +7 / - | TK5NJ | - / - | 10 | Partial capture |
| 08-30 05:34 | 40m | +5 / - | SP4MPH | -10 / -11 | 3 | ✓ Closing observed |
| 08-30 05:29 | 40m | +3 / - | MI7XHT | - / -16 | 7 | Partial capture |
| 08-30 03:55 | 160m | - / - | DK3HV | -14 / - | 6 | Partial capture |
| 08-30 03:53 | 160m | -12 / +3 | DF6PW | -7 / -12 | 6 | ✓ Full exchange observed |
| 08-30 03:47 | 80m | 0 / +1 | MI0OBC | -6 / - | 3 | Partial capture |
| 08-30 03:45 | 80m | +13 / - | DO1OAS | -6 / -5 | 4 | ✓ Full exchange observed |
| 08-30 03:45 | 80m | +3 / - | IQ4JO | +2 / -6 | 3 | Partial capture |
| 08-30 03:43 | 80m | +10 / - | OH5VT | - / - | 3 | Partial capture |
| 08-30 03:38 | 80m | +8 / - | DF8QB | - / -2 | 8 | Partial capture |
| 08-30 03:35 | 80m | - / - | SV1EKI | -7 / - | 9 | Partial capture |
| 08-30 03:34 | 80m | - / - | DF8QB | +4 / - | 2 | Partial capture |
| 08-30 03:33 | 80m | - / - | DO5PY | -6 / - | 2 | Partial capture |
| 08-30 03:28 | 80m | +13 / - | SM7TZK | - / -17 | 3 | Partial capture |
| 08-30 03:12 | 80m | +12 / - | OK1XV | +18 / +6 | 5 | ✓ Full exchange observed |
| 08-30 03:03 | 80m | +13 / - | OK1UOZ | - / - | 10 | Partial capture |
| 08-30 02:48 | 80m | +11 / +10 | ON4MAP | -13 / -14 | 7 | ✓ Full exchange observed |
| 08-30 02:42 | 80m | +12 / -3 | OZ1HGH | +6 / -7 | 6 | ✓ Full exchange observed |
| 08-30 02:30 | 80m | +10 / +9 | HB9CXZ | +6 / 0 | 12 | ✓ Full exchange observed |
| 08-30 02:25 | 80m | - / - | UA4FKT | +7 / - | 4 | Partial capture |
| 08-30 02:24 | 80m | +9 / +9 | YL4U | +15 / -5 | 5 | ✓ Full exchange observed |
| 08-30 02:23 | 80m | - / -15 | UB4CJS | +3 / - | 4 | Partial capture |
| 08-30 02:20 | 80m | +8 / - | DO7BE | 0 / -11 | 6 | ✓ Closing observed |
| 08-30 02:20 | 80m | - / - | RW6HP | +2 / - | 4 | Partial capture |
| 08-30 02:18 | 80m | +10 / - | F5HNQ | - / -4 | 2 | Partial capture |
| 08-30 02:16 | 80m | +12 / -9 | R2EN | +8 / -2 | 4 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 191015 +7 2326 EX7CQ DL8OBF JO52 (x6) 191300 -9 1736 DL8OBF EX7CQ +00 191315 +10 2326 EX7CQ DL8OBF JO52 191330 -14 1736 DL8OBF EX7CQ -03 191345 +9 2326 EX7CQ DL8OBF JO52 (x3) 191500 -15 1736 DL8OBF EX7CQ -04 (x2) 195815 -3 2326 CN8NS DL8OBF R-17
UTC dB Audio Message 034800 -6 2639 DL8OBF MI0OBC +01 212500 +8 2276 TF4M DL8OBF JO52 212515 -8 2503 DL8OBF TF4M +15 212530 +15 2503 TF4M DL8OBF JO52 212545 -9 2502 DL8OBF TF4M +11 212600 +19 2503 TF4M DL8OBF R-14 212615 -11 2503 DL8OBF TF4M RR73 212630 +14 2503 TF4M DL8OBF R-14 212645 -7 2502 DL8OBF TF4M RR73 212700 +16 2503 TF4M DL8OBF 73 184830 +8 2503 <...> DL8OBF JO52 184845 +2 1001 DL8OBF DB100FT +19 184900 +5 2503 <...> DL8OBF R+00 185015 +11 2503 LY7T DL8OBF JO52 (x2)
UTC dB Audio Message 192000 -24 1649 DL8OBF 4O4DB RR73 073045 -24 1249 DL8OBF 3V8HP -05 113130 -11 2004 DL8OBF IU5VNO -03 (x2) 113445 -16 2137 CQ DL8OBF JO52 113515 -8 2137 IU6UAQ DL8OBF JO52 (x2) 113815 -21 2137 HA1BF DL8OBF 73 113830 +3 2136 DL8OBF UT7UJ +17 114045 -12 2137 UT7UJ DL8OBF R+02 (x2) 114700 -1 2062 DL8OBF R3BEE -07 114945 -2 2754 DL8OBF AA3B -13 (x3)
UTC dB Audio Message 035300 -13 1819 DF6PW DL8OBF JO52 (x2) 035345 -7 2238 DL8OBF DF6PW +03 035400 -12 1818 DF6PW DL8OBF R-12 035415 -7 2238 DL8OBF DF6PW RR73 035430 -9 1818 DF6PW DL8OBF 73 035500 -11 1818 CQ DL8OBF JO52 035545 -15 2374 DL8OBF DK3HV JO31 (x6)
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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