1F3SW — 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 1F3SW, decoded by SO8OO in southeastern Poland. 82 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 20 UTC dates in the available aggregate history. Observed between 2026-08-23 and 2026-10-21.
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 82 FT8 messages attributed to 1F3SW as the transmitting token by decoded message structure across 20 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (46%), followed by 40 m (44%) and 20 m (10%). Most decodes (80%) fell within the six-hour window 19:00-01:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's weak S/N range (77%); the estimated median was -19 dB.
Overview
Bands
Last attributed message: 2026-10-21 21:42 UTC
Observed FT8 message patterns
- Attributed sample
- 82 messages
- Active dates
- 20 UTC dates
- Estimated median S/N
- -19 dB
- Estimated 10th-90th percentile
- -24 to -14 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 63, moderate (-15 to -9 dB) 19, strong (≥ -8 dB) 0.
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 1F3SW 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 1F3SW
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
- JN03 · 16 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,732 km (approx.)
- Last such locator decoded
- 2026-10-11 19:39 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 | 1F3SW S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-23 15:00 | 40m | - / -24 | OK1AY | -2 / - | 5 | Partial capture |
| 10-22 18:04 | 40m | - / -9 | IZ5IIN | -11 / - | 2 | ✓ Closing fragment |
| 10-22 18:01 | 40m | - / -16 | IZ8UYP | -17 / - | 3 | ✓ Closing fragment |
| 10-21 21:57 | 80m | - / -16 | SV1GYG | -8 / - | 3 | ✓ Closing fragment |
| 10-21 21:41 | 80m | - / - | DO9SAM | +11 / - | 4 | ✓ Closing fragment |
| 10-21 21:41 | 80m | -22 / -14 | DO1MDO | +8 / -8 | 6 | ✓ Full exchange observed |
| 10-21 20:34 | 80m | - / -18 | SV1EAG | -21 / - | 2 | Partial capture |
| 10-21 20:29 | 80m | - / -18 | EB1LA | -5 / - | 4 | ✓ Closing fragment |
| 10-20 21:24 | 40m | -14 / - | RD3FY | -11 / - | 2 | ✓ Closing observed |
| 10-20 17:40 | 40m | - / +1 | EA2AUK | -11 / - | 5 | ✓ Closing fragment |
| 10-18 22:20 | 80m | -24 / - | SP9TBT | +1 / -7 | 4 | Partial capture |
| 10-18 22:05 | 40m | -16 / - | LZ2EW | - / -14 | 3 | ✓ Closing fragment |
| 10-18 22:04 | 40m | -16 / -14 | R2AL | -13 / -1 | 3 | Partial capture |
| 10-18 06:43 | 80m | - / -7 | F4PAN | -14 / - | 2 | ✓ Closing fragment |
| 10-18 06:39 | 80m | - / -22 | DL1FAM | -4 / - | 11 | Partial capture |
| 10-16 22:57 | 80m | -18 / -24 | SP6MAA | +30 / - | 6 | ✓ Closing observed |
| 10-16 22:56 | 80m | -20 / -16 | DO5OT | -4 / - | 3 | ✓ Closing observed |
| 10-16 21:23 | 80m | - / -6 | F5MXH | -4 / - | 3 | ✓ Closing fragment |
| 10-16 21:17 | 80m | - / -13 | F5HNQ | +4 / - | 2 | ✓ Closing fragment |
| 10-16 20:42 | 80m | - / -7 | PI4DX | +8 / - | 2 | ✓ Closing fragment |
| 10-16 20:40 | 80m | - / -12 | F4VTR | -9 / - | 3 | ✓ Closing fragment |
| 10-15 19:18 | 40m | - / -10 | DJ0MAB | +8 / - | 5 | ✓ Closing fragment |
| 10-15 05:33 | 80m | - / -22 | DK1HSI | -14 / - | 2 | Partial capture |
| 10-15 05:31 | 80m | - / -11 | 9A5E | +6 / - | 2 | ✓ Closing fragment |
| 10-15 05:27 | 80m | - / -17 | PA1AW | -14 / - | 2 | ✓ Closing fragment |
| 10-15 05:24 | 80m | - / -8 | F4FSY | -10 / - | 3 | ✓ Closing fragment |
| 10-14 21:34 | 40m | -22 / - | SP6MAA | - / -21 | 2 | ✓ Closing fragment |
| 10-14 21:32 | 40m | -14 / - | SP5MXZ | - / -16 | 2 | Partial capture |
| 10-12 17:51 | 40m | - / -25 | S56DS | -5 / - | 3 | ✓ Closing fragment |
| 10-11 19:37 | 40m | - / -8 | G4ZAM | -18 / - | 2 | ✓ Closing fragment |
| 10-11 18:21 | 40m | - / -10 | EA1R | -12 / - | 3 | ✓ Closing fragment |
| 10-10 19:13 | 80m | - / +4 | DL1CC | -6 / - | 2 | ✓ Closing fragment |
| 10-10 19:11 | 80m | -24 / -10 | EA1IOK | -3 / - | 2 | ✓ Closing observed |
| 10-10 19:10 | 80m | -22 / -24 | SP1MGM | 0 / -14 | 4 | ✓ Full exchange observed |
| 10-10 06:45 | 40m | - / -18 | PE1NPS | -6 / - | 4 | ✓ Closing fragment |
| 10-10 06:38 | 40m | - / - | DF8RU | +4 / - | 3 | Partial capture |
| 10-10 06:38 | 40m | - / - | IU2THY | +8 / - | 3 | Partial capture |
| 10-04 18:45 | 80m | - / -26 | 9A6NCC | +8 / - | 3 | ✓ Closing fragment |
| 10-04 18:44 | 80m | - / - | DO1YSF | -20 / - | 2 | Partial capture |
| 10-04 00:28 | 80m | -14 / -15 | ON1JP | -17 / -16 | 8 | ✓ Full exchange observed |
| 10-04 00:27 | 80m | -13 / -16 | DO1OAS | -7 / - | 6 | ✓ Closing observed |
| 10-04 00:24 | 80m | -11 / -8 | F8NHF | +3 / - | 7 | ✓ Closing observed |
| 10-04 00:24 | 80m | -17 / -14 | OK1WCF | +13 / -6 | 8 | ✓ Full exchange observed |
| 10-04 00:24 | 80m | - / -20 | SP5MXZ | +9 / - | 11 | Partial capture |
| 10-04 00:23 | 80m | -17 / -5 | DO7MCL | +13 / -14 | 5 | ✓ Full exchange observed |
| 10-04 00:22 | 80m | -16 / - | RN2F | - / - | 2 | Partial capture |
| 10-04 00:17 | 80m | -19 / +7 | CT4KQ | -12 / -7 | 3 | Partial capture |
| 10-03 23:10 | 80m | - / -12 | II5GG | +1 / - | 2 | ✓ Closing fragment |
| 10-03 23:03 | 80m | -14 / - | PE2JMR | +1 / -17 | 2 | Partial capture |
| 10-03 20:52 | 80m | - / -15 | IK4PLW | +6 / - | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 174115 -12 1433 1F3SW EA2AUK R+01 (x3) 212400 -11 2628 1F3SW RD3FY KO85 212445 -14 2435 RD3FY 1F3SW RR73 180145 -16 1480 1F3SW IZ8UYP JN70 (x3) 180400 -7 2256 1F3SW IZ5IIN -09 (x2) 150045 +0 2042 1F3SW OK1AY -24 (x5)
UTC dB Audio Message 214130 +10 2176 1F3SW DO9SAM JO61 214130 +1 1996 1F3SW DO1MDO JO50 214145 -21 1996 DO1MDO 1F3SW -08 214200 +9 1996 1F3SW DO9SAM JO61 214215 -22 1997 DO1MDO 1F3SW RR73 214230 +12 1996 1F3SW DO1MDO R-14 214300 +15 1996 1F3SW DO9SAM JO61 214330 +12 1996 1F3SW DO1MDO 73 214430 +11 1996 1F3SW DO9SAM 73 215715 -10 1760 1F3SW SV1GYG KM18 (x3) 203900 +3 2395 1F3SW DL1MEV R-15 204100 +2 2453 1F3SW F1PBZ RR73 204315 -18 1229 1F3SW ON5MEV -20
UTC dB Audio Message 202445 -10 2443 1F3SW HB9HFN JN36 (x12) 053200 -7 972 1F3SW G4IRN -18 (x2) 225330 +4 532 1F3SW 4J3DJ -17
UTC dB Audio Message 213315 +3 313 1F3SW DL6ZAJ 73 191000 +3 697 1F3SW DL7ACA JO40 191000 -14 1510 1F3SW DK5WL JN39 191030 +3 698 1F3SW DL7ACA R-13 (x2) 191230 -17 1510 1F3SW DK5WL R-11 191545 -14 1004 1F3SW IW2OHP -08 (x2) 212700 -5 1055 1F3SW DL1MST JO30 212730 -6 2280 1F3SW PI4TX JO22 212730 -4 1055 1F3SW DL1MST JO30 212800 -4 2280 1F3SW PI4TX JO22 212800 -3 1913 1F3SW DL5DQZ JO61 212830 -3 2280 1F3SW PI4TX JO22 213100 -3 1946 1F3SW DL5DQZ R-13
UTC dB Audio Message 181300 -24 1840 <...> 1F3SW R-14 193630 -9 927 1F3SW IZ8EYN -09 (x2) 195500 -4 1702 1F3SW S52D JN76 (x4) 195930 +8 1349 1F3SW F5RAV JN09 (x3) 171230 -8 1029 1F3SW EA1FNT IN63 (x3) 155530 -22 1202 SP6EFY 1F3SW -11 145900 -16 1806 SP6FME 1F3SW RR73
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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