VA3DIF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving VA3DIF, decoded by SO8OO in southeastern Poland. 483 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, across 35 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-09-19.
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 483 FT8 messages attributed to VA3DIF as the transmitting token by decoded message structure across 35 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (73%), followed by 80 m (11%) and 40 m (11%). Most decodes (93%) fell within the six-hour window 22:00-04:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -11 dB.
Overview
Bands
Last attributed message: 2026-09-19 00:31 UTC
Observed FT8 message patterns
- Attributed sample
- 483 messages
- Active dates
- 35 UTC dates
- Estimated median S/N
- -11 dB
- Estimated 10th-90th percentile
- -20 to -1 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 106, moderate (-15 to -9 dB) 208, strong (≥ -8 dB) 169.
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 VA3DIF 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 VA3DIF
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
- FN04 · 42 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 7,030 km (approx.)
- Last such locator decoded
- 2026-09-15 00:41 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 | VA3DIF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-19 00:41 | 60m | - / -9 | LA9GX | +9 / - | 2 | ✓ Closing fragment |
| 09-19 00:37 | 60m | - / -8 | DC8RA | -1 / - | 3 | ✓ Closing fragment |
| 09-19 00:30 | 40m | -20 / - | SV9QWC | - / -16 | 2 | Partial capture |
| 09-15 00:49 | 60m | -20 / -17 | SM4IED | +8 / - | 3 | ✓ Closing observed |
| 09-15 00:46 | 60m | - / - | UR9QQ | -6 / - | 5 | Partial capture |
| 09-15 00:46 | 60m | -17 / -7 | OH5KW | +4 / - | 3 | ✓ Closing observed |
| 09-15 00:43 | 60m | -20 / - | SP5MIG | - / -20 | 2 | Partial capture |
| 09-15 00:41 | 60m | - / -7 | G8OO | +7 / - | 3 | ✓ Closing fragment |
| 09-15 00:35 | 60m | - / -1 | EC3A | -17 / - | 3 | Partial capture |
| 09-15 00:33 | 60m | - / - | OH1LA | -6 / - | 3 | Partial capture |
| 09-15 00:33 | 60m | -21 / -3 | PI4TX | -4 / - | 6 | ✓ Closing observed |
| 09-15 00:24 | 80m | -24 / - | F4FPR | -18 / - | 2 | ✓ Closing observed |
| 09-15 00:22 | 80m | - / -17 | OK1HEH | +4 / - | 4 | Partial capture |
| 09-15 00:20 | 80m | -24 / - | YY4JLG | - / -19 | 3 | ✓ Closing fragment |
| 09-15 00:13 | 80m | - / - | SP4DDS | +6 / - | 5 | Partial capture |
| 09-15 00:12 | 80m | -24 / -10 | EA2DYB | -8 / - | 3 | ✓ Closing observed |
| 09-15 00:11 | 80m | - / - | GW5VOG | -22 / - | 2 | Partial capture |
| 09-15 00:06 | 80m | - / -8 | F5UKW | +4 / - | 2 | ✓ Closing fragment |
| 09-15 00:02 | 80m | - / -5 | EA8AJ | -22 / - | 2 | ✓ Closing fragment |
| 09-14 03:26 | 80m | -20 / - | XE2RZ | - / -16 | 2 | Partial capture |
| 09-14 03:24 | 80m | -24 / -8 | ON1AEY | -2 / -15 | 3 | ✓ Full exchange observed |
| 09-14 03:23 | 80m | - / -4 | F5BRF | -14 / - | 2 | ✓ Closing fragment |
| 09-14 03:23 | 80m | - / -8 | ON1JP | -18 / - | 6 | Partial capture |
| 09-14 03:23 | 80m | - / - | R3HH | -6 / - | 3 | Partial capture |
| 09-14 03:22 | 80m | -23 / -10 | IN3WZS | 0 / -17 | 5 | ✓ Full exchange observed |
| 09-14 03:19 | 80m | -20 / -17 | LZ1EV | +6 / -6 | 6 | ✓ Full exchange observed |
| 09-14 03:13 | 80m | - / -11 | DF2GH | -5 / - | 3 | ✓ Closing fragment |
| 09-14 03:11 | 80m | - / - | UR4LBG | -13 / - | 5 | Partial capture |
| 09-14 03:04 | 60m | - / -1 | 9A60CBM | 0 / - | 2 | Partial capture |
| 09-14 03:02 | 60m | -18 / -12 | SV1ENM | -4 / -11 | 6 | ✓ Full exchange observed |
| 09-11 01:10 | 80m | - / -18 | IZ2AMW | -11 / - | 4 | ✓ Closing fragment |
| 09-11 01:08 | 80m | - / -22 | ON1JP | -20 / - | 2 | Partial capture |
| 09-10 00:15 | 80m | - / -18 | F6AOJ | -3 / - | 5 | Partial capture |
| 09-07 22:56 | 60m | - / -10 | MM0GOR | -4 / - | 2 | ✓ Closing fragment |
| 09-07 22:51 | 60m | - / -11 | IW0HLE | -14 / - | 3 | Partial capture |
| 09-07 01:04 | 80m | -22 / - | KC1QXL | - / -2 | 2 | ✓ Closing fragment |
| 09-07 01:01 | 80m | -24 / -6 | VP8A | -8 / -9 | 3 | ✓ Full exchange observed |
| 09-03 00:51 | 60m | -23 / -6 | DL1OBF | +12 / - | 3 | ✓ Closing observed |
| 09-01 00:15 | 80m | - / - | SP2LLP | -4 / - | 3 | Partial capture |
| 09-01 00:13 | 80m | - / -13 | SM6EHY | 0 / - | 3 | ✓ Closing fragment |
| 08-28 00:25 | 80m | - / -10 | TF3VS | -8 / - | 2 | ✓ Closing fragment |
| 08-28 00:09 | 80m | - / -14 | IZ5IMD | +6 / - | 5 | ✓ Closing fragment |
| 08-26 01:04 | 20m | -9 / - | 7Z1BQ | - / -1 | 2 | Partial capture |
| 08-26 00:44 | 80m | - / -18 | R3GO | +8 / - | 2 | Partial capture |
| 08-26 00:43 | 80m | -14 / - | RQ7O | - / -13 | 3 | Partial capture |
| 08-26 00:32 | 80m | -24 / -19 | R3GO | +5 / -14 | 3 | Partial capture |
| 08-26 00:25 | 80m | -14 / -17 | F4JTM | +3 / - | 4 | ✓ Closing observed |
| 08-26 00:24 | 80m | - / -15 | SP5CTY | -5 / - | 7 | ✓ Closing fragment |
| 08-26 00:23 | 80m | -16 / -21 | DL1HDL | -2 / -16 | 3 | ✓ Full exchange observed |
| 08-25 23:49 | 60m | - / -12 | EA3DIX | -7 / - | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 004645 -3 1835 VA3DIF UR9QQ KN77 004645 +5 2099 VA3DIF OH5KW 73 004715 -3 1835 VA3DIF UR9QQ KN77 (x4) 004945 +8 330 VA3DIF SM4IED R-17 005000 -20 1820 SM4IED VA3DIF RR73 005015 +7 330 VA3DIF SM4IED 73 005400 -24 1532 KD3HN VA3DIF RR73 003700 -3 1680 VA3DIF DC8RA JN39 (x3) 004115 +9 2284 VA3DIF LA9GX R-09 (x2)
UTC dB Audio Message 233215 -7 1583 VA3DIF RY4D R-23 233245 +2 1561 VA3DIF UA4FKT LO23 (x2) 233330 -16 1562 UA4FKT VA3DIF RR73 233345 +6 1561 VA3DIF UA4FKT 73 233700 -20 1574 PP5AX VA3DIF RR73 233745 -2 2715 VA3DIF R4ZZ -02 (x4) 004745 -8 1958 VA3DIF IK6DLK JN63 001330 -13 2039 VA3DIF GW5VOG IO81 002830 -8 1795 VA3DIF 9K2WA RR73 003045 -19 2115 SV9QWC VA3DIF -16 (x2)
UTC dB Audio Message 001315 +8 2300 VA3DIF SP4DDS KO03 (x4) 001445 -24 1788 K4JJL VA3DIF R-14 001515 +3 2300 VA3DIF SP4DDS KO03 002030 -24 1809 YY4JLG VA3DIF -19 (x2) 002245 +3 1569 VA3DIF OK1HEH -17 002300 -24 1809 YY4JLG VA3DIF RR73 002315 +1 1569 VA3DIF OK1HEH -19 (x2) 002400 -24 1809 F4FPR VA3DIF RR73 002415 +3 1569 VA3DIF OK1HEH -19 002415 -18 1808 VA3DIF F4FPR 73
UTC dB Audio Message 040400 -5 1623 UR4LRG VA3DIF RR73 040500 -6 1623 US1EL VA3DIF -13 (x3) 230845 -7 1813 UI7N VA3DIF -09 (x2) 231045 -8 1959 <...> VA3DIF -16 231115 -12 1959 OY1HJ VA3DIF -10 (x5) 231345 -6 1960 PD0DDA VA3DIF -04 010415 -10 1601 7Z1BQ VA3DIF -01 (x2)
UTC dB Audio Message 201430 -18 2004 VA3DIF 7Q3WS R-05 203130 -22 1619 VA3DIF PY8ZB R-04 (x5)
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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