F4JJS/P — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving F4JJS/P, decoded by SO8OO in southeastern Poland. 218 FT8 messages attributed to this token as transmitter, on 20m, across 8 UTC dates in the available aggregate history. Observed between 2026-08-02 and 2026-08-14.
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 218 FT8 messages attributed to F4JJS/P as the transmitting token by decoded message structure across 8 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). Most decodes (62%) fell within the six-hour window 06:00-12:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.
Overview
Observed FT8 message patterns
- Attributed sample
- 218 messages
- Active dates
- 8 UTC dates
- Estimated median S/N
- -9 dB
- Estimated 10th-90th percentile
- -17 to -1 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 33, moderate (-15 to -9 dB) 82, strong (≥ -8 dB) 103.
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 F4JJS/P 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 F4JJS/P
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
- JN13 · 141 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,595 km (approx.)
- Last such locator decoded
- 2026-08-14 09:56 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 | F4JJS/P S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-14 10:07 | 20m | - / -10 | F1PSX | -16 / - | 3 | Partial capture |
| 08-14 10:02 | 20m | - / -10 | F1PSX | -12 / - | 4 | Partial capture |
| 08-14 09:55 | 20m | -8 / -16 | PD0HLA | -13 / -5 | 5 | Partial capture |
| 08-14 09:54 | 20m | -8 / - | DD0AM | - / -10 | 3 | ✓ Closing fragment |
| 08-14 09:53 | 20m | -20 / - | VO1ANJ | - / - | 2 | Partial capture |
| 08-14 09:49 | 20m | -18 / - | TM0BSM | - / - | 3 | Partial capture |
| 08-14 09:48 | 20m | -17 / -10 | UA3VVA | 0 / - | 6 | ✓ Full exchange observed |
| 08-14 09:42 | 20m | -16 / - | 2E0MBH | -21 / -11 | 5 | ✓ Closing observed |
| 08-14 09:39 | 20m | -4 / - | YL2JZ | - / +3 | 3 | ✓ Closing fragment |
| 08-14 09:38 | 20m | -12 / -6 | G7RCQ | -19 / -11 | 3 | ✓ Full exchange observed |
| 08-14 09:35 | 20m | -3 / -8 | M7GFJ | -9 / +5 | 4 | ✓ Full exchange observed |
| 08-14 09:33 | 20m | -11 / +1 | LZ1AAW | -13 / - | 4 | Partial capture |
| 08-14 09:18 | 20m | - / 0 | SV2HTW | -6 / - | 2 | ✓ Closing fragment |
| 08-14 09:18 | 20m | - / - | LZ2VQ | -6 / - | 3 | Partial capture |
| 08-14 08:41 | 20m | - / -9 | UA6FZ | -2 / - | 2 | ✓ Closing fragment |
| 08-14 08:00 | 20m | - / -14 | R50RKZ | -8 / - | 2 | ✓ Closing fragment |
| 08-14 07:56 | 20m | - / -20 | R50RKZ | -12 / - | 2 | Partial capture |
| 08-12 10:00 | 20m | - / - | PD1AC | -20 / - | 2 | Partial capture |
| 08-12 06:53 | 20m | - / -14 | OK5AW | +11 / - | 3 | Partial capture |
| 08-12 05:23 | 20m | - / -15 | PA3EVY | -20 / - | 2 | Partial capture |
| 08-09 19:26 | 20m | -10 / - | <...> | -4 / - | 4 | Partial capture |
| 08-09 19:10 | 20m | -16 / - | IW4BO | - / - | 2 | Partial capture |
| 08-09 19:08 | 20m | - / - | US7UR | +6 / - | 4 | Partial capture |
| 08-09 19:08 | 20m | +2 / - | 2E1HAT | - / - | 3 | Partial capture |
| 08-09 19:07 | 20m | -5 / - | OZ9FF | - / -5 | 3 | ✓ Closing fragment |
| 08-09 19:04 | 20m | -4 / - | R9AL | - / -9 | 6 | ✓ Closing fragment |
| 08-09 19:02 | 20m | -9 / - | PA1GUZ | - / - | 4 | Partial capture |
| 08-09 19:00 | 20m | -3 / - | IK2MKM | - / - | 3 | Partial capture |
| 08-09 18:58 | 20m | 0 / - | DH2RL | -2 / - | 7 | Partial capture |
| 08-09 18:56 | 20m | -1 / - | UN8DSW | - / - | 2 | Partial capture |
| 08-08 16:32 | 20m | -16 / - | MW3FLI | - / - | 2 | ✓ Closing fragment |
| 08-08 16:19 | 20m | - / -20 | 2E0MBH | -23 / - | 2 | Partial capture |
| 08-08 11:09 | 20m | -6 / - | 9A9N | - / - | 2 | Partial capture |
| 08-08 11:07 | 20m | -8 / - | G0VZM | - / - | 2 | Partial capture |
| 08-08 11:06 | 20m | -8 / - | DL1NDG | - / - | 2 | Partial capture |
| 08-08 11:01 | 20m | -10 / - | VO1IV | - / - | 6 | Partial capture |
| 08-08 11:00 | 20m | -10 / - | PA0MUS | - / -12 | 2 | ✓ Closing fragment |
| 08-08 07:23 | 20m | - / -16 | G7IGC | -9 / - | 3 | ✓ Closing fragment |
| 08-07 09:26 | 20m | - / - | DK4BP | -22 / - | 3 | Partial capture |
| 08-07 09:12 | 20m | - / -8 | G1LQT | -14 / - | 2 | ✓ Closing fragment |
| 08-07 08:46 | 20m | - / -20 | M9KJY | -12 / - | 2 | ✓ Closing fragment |
| 08-07 07:43 | 20m | -13 / -11 | R2EA | -12 / - | 3 | Partial capture |
| 08-07 07:42 | 20m | - / -9 | R50RKZ | -2 / - | 2 | Partial capture |
| 08-07 07:39 | 20m | -16 / - | DL9KV | - / -6 | 2 | Partial capture |
| 08-07 07:26 | 20m | - / -11 | GM3DRA | -6 / - | 3 | Partial capture |
| 08-06 08:26 | 20m | - / - | RK4FAJ | -20 / - | 2 | Partial capture |
| 08-06 08:24 | 20m | -13 / -13 | HB9ACA | -7 / +5 | 3 | Partial capture |
| 08-06 08:23 | 20m | -11 / +5 | LA8ENA | -16 / +7 | 11 | ✓ Full exchange observed |
| 08-06 08:19 | 20m | -10 / - | SQ7OCJ | - / -5 | 3 | ✓ Closing fragment |
| 08-06 08:17 | 20m | -8 / - | MM7CEH | - / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 095415 -6 2532 DD0AM F4JJS/P JN13 (x3) 095545 -5 2578 PD0HLA F4JJS/P JN13 (x2) 095630 -13 2577 F4JJS/P PD0HLA -16 095645 -9 2577 PD0HLA F4JJS/P R-05 095700 -13 2577 F4JJS/P PD0HLA -16 100230 -8 1860 F4JJS/P F1PSX JN08 (x7)
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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