G4JFK — 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 G4JFK, decoded by SO8OO in southeastern Poland. 118 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 16 UTC dates in the available aggregate history. Observed between 2026-06-16 and 2026-10-20.
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 118 FT8 messages attributed to G4JFK as the transmitting token by decoded message structure across 16 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (89%), followed by 20 m (11%). Most decodes (93%) fell within the six-hour window 16:00-22:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.
Overview
Bands
Last attributed message: 2026-10-20 18:38 UTC
Observed FT8 message patterns
- Attributed sample
- 118 messages
- Active dates
- 16 UTC dates
- Estimated median S/N
- -12 dB
- Estimated 10th-90th percentile
- -20 to -5 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 29, moderate (-15 to -9 dB) 62, strong (≥ -8 dB) 27.
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 G4JFK 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 G4JFK
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
- IO81 · 59 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,746 km (approx.)
- Last such locator decoded
- 2026-10-20 18:38 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 | G4JFK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-20 18:37 | 40m | -9 / - | US1CR | - / - | 4 | Partial capture |
| 10-20 18:30 | 40m | -3 / - | PD1SL | - / -10 | 3 | ✓ Closing fragment |
| 10-20 18:24 | 40m | - / - | EA3FP | -7 / - | 3 | Partial capture |
| 10-20 18:22 | 40m | - / - | F4PAN | -7 / - | 2 | ✓ Closing fragment |
| 10-20 18:20 | 40m | - / -14 | IK4TVP | -1 / - | 5 | Partial capture |
| 10-15 18:37 | 40m | - / +1 | DJ0MAB | +4 / - | 2 | ✓ Closing fragment |
| 10-15 18:30 | 40m | -18 / - | PD1GOL | - / -8 | 2 | ✓ Closing fragment |
| 10-15 18:27 | 40m | -4 / - | OE7LVI | - / - | 2 | Partial capture |
| 10-15 18:25 | 40m | - / -3 | OK1AY | -2 / - | 2 | ✓ Closing fragment |
| 10-13 19:50 | 40m | - / +1 | HB9ELE | +11 / - | 4 | ✓ Closing fragment |
| 10-13 19:44 | 40m | -10 / - | EA1IOK | - / -9 | 2 | ✓ Closing fragment |
| 10-13 19:41 | 40m | -14 / - | EU6UE | - / -12 | 2 | ✓ Closing fragment |
| 10-06 18:43 | 40m | -11 / - | YO3JW | - / - | 2 | Partial capture |
| 10-06 18:38 | 40m | -15 / -20 | R2EA | -8 / - | 3 | Partial capture |
| 10-06 18:37 | 40m | -14 / - | HG1DCI | - / -12 | 2 | Partial capture |
| 10-06 18:35 | 40m | -8 / -19 | OZ1A | -8 / -16 | 4 | ✓ Full exchange observed |
| 10-06 17:10 | 40m | -9 / -10 | EA1C | -6 / - | 3 | ✓ Closing observed |
| 10-06 17:05 | 40m | - / -7 | DJ2MS | -15 / - | 3 | ✓ Closing fragment |
| 09-26 18:33 | 40m | -18 / - | R6OM | - / - | 2 | Partial capture |
| 09-26 18:27 | 40m | - / -8 | SA4AGM | -8 / - | 2 | ✓ Closing fragment |
| 09-26 18:14 | 40m | -14 / - | DJ2MS | - / -15 | 2 | Partial capture |
| 09-22 21:04 | 40m | -7 / -18 | RZ6L | +8 / -15 | 4 | ✓ Full exchange observed |
| 09-22 20:58 | 40m | -7 / -23 | SM7TZK | +6 / - | 5 | Partial capture |
| 09-22 20:57 | 40m | -12 / - | RN2F | - / -15 | 2 | ✓ Closing fragment |
| 09-22 20:55 | 40m | -12 / - | ON6SAT | - / +3 | 3 | ✓ Closing fragment |
| 09-22 20:54 | 40m | -10 / - | EB3JT | - / -8 | 2 | ✓ Closing fragment |
| 09-22 20:51 | 40m | -13 / - | RD3FY | +2 / -9 | 6 | ✓ Closing observed |
| 09-22 20:51 | 40m | -12 / -14 | R5BM | -4 / -10 | 7 | ✓ Full exchange observed |
| 09-22 20:49 | 40m | -6 / - | PY7XC | -6 / -5 | 5 | ✓ Closing observed |
| 09-22 19:54 | 40m | - / - | EA3JAQ | -22 / - | 2 | Partial capture |
| 09-22 19:49 | 40m | -14 / -9 | HA1BF | -4 / - | 3 | ✓ Closing observed |
| 09-22 19:45 | 40m | -13 / -4 | OZ9FF | +4 / - | 3 | ✓ Full exchange observed |
| 09-22 19:38 | 40m | - / -15 | EC5M | -5 / - | 5 | ✓ Closing fragment |
| 09-22 19:32 | 40m | -7 / -4 | IW2NEF | -6 / - | 8 | ✓ Closing observed |
| 09-22 19:30 | 40m | - / - | UB6OCP | +9 / - | 5 | Partial capture |
| 09-22 19:28 | 40m | -13 / - | RA5AD | -2 / -13 | 4 | ✓ Closing observed |
| 09-22 19:24 | 40m | - / -11 | EC5M | -7 / - | 2 | Partial capture |
| 09-21 19:40 | 40m | - / - | RZ4FWA | -13 / - | 2 | Partial capture |
| 09-21 19:39 | 40m | -14 / - | DK6WS | -8 / - | 2 | ✓ Closing observed |
| 09-21 19:27 | 40m | -6 / +6 | EA4HWT | -8 / +1 | 2 | Partial capture |
| 09-21 19:25 | 40m | -10 / -9 | R2EA/P | +2 / - | 2 | Partial capture |
| 09-15 20:05 | 40m | -10 / -4 | OZ7DR | +5 / - | 5 | ✓ Closing observed |
| 09-15 19:25 | 40m | - / - | DK8HC | -10 / - | 5 | Partial capture |
| 08-31 15:35 | 40m | - / -19 | PA1JOZ | -18 / - | 2 | Partial capture |
| 08-30 20:43 | 40m | -16 / - | DL4AC | - / +1 | 2 | ✓ Closing fragment |
| 08-30 20:35 | 40m | - / - | G4DBW | 0 / - | 2 | Partial capture |
| 08-30 20:33 | 40m | -15 / 0 | G8KHF | -9 / -3 | 7 | ✓ Full exchange observed |
| 08-30 20:30 | 40m | -10 / - | PD1RG | - / - | 2 | Partial capture |
| 08-26 16:16 | 20m | -20 / 0 | F5RRS | +14 / - | 6 | ✓ Closing observed |
| 08-26 16:07 | 20m | - / -16 | SV1EAG | -6 / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 182130 -1 1334 G4JFK IK4TVP -14 (x2) 182200 -7 1040 G4JFK F4PAN +11 182230 -5 1334 G4JFK IK4TVP -14 182230 -7 1040 G4JFK F4PAN RR73 182400 -8 757 G4JFK EA3FP JN11 (x3) 183015 -3 2913 PD1SL G4JFK IO81 (x3) 183715 -10 2614 US1CR G4JFK IO81 (x4)
UTC dB Audio Message 160500 +5 710 9A4AA G4JFK IO81 160700 -8 1971 G4JFK SV1EAG -16 (x3) 160945 -11 2068 RZ4FWA G4JFK IO81 161245 -10 1077 IK5EEA G4JFK IO81 161400 -7 1856 3A2MW G4JFK IO81 (x2) 161645 +15 1876 G4JFK F5RRS JN36 (x4) 161830 -20 1855 F5RRS G4JFK RR73 161845 +10 1876 G4JFK F5RRS 73 162500 +2 3015 OE4DJN G4JFK IO81
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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