SV1IU — 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 SV1IU, decoded by SO8OO in southeastern Poland. 400 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, 10m, across 44 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-10-18.
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 400 FT8 messages attributed to SV1IU as the transmitting token by decoded message structure across 44 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (39%), followed by 40 m (38%) and 80 m (17%). The busiest six-hour window was 01:00-07:00 UTC, containing 50% of decodes. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -8 dB.
Overview
Bands
Last attributed message: 2026-10-18 19:28 UTC
Observed FT8 message patterns
- Attributed sample
- 400 messages
- Active dates
- 44 UTC dates
- Estimated median S/N
- -8 dB
- Estimated 10th-90th percentile
- -16 to +7 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 50, moderate (-15 to -9 dB) 141, strong (≥ -8 dB) 209.
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 SV1IU 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 SV1IU
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
- KM17 · 225 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,386 km (approx.)
- Last such locator decoded
- 2026-10-18 19:27 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 | SV1IU S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-22 13:57 | 40m | - / -10 | YU65AEC | 0 / - | 2 | Partial capture |
| 10-22 13:53 | 40m | - / -7 | YU65AEC | -2 / - | 2 | Partial capture |
| 10-21 16:22 | 80m | - / - | R7DX | -6 / - | 4 | Partial capture |
| 10-20 17:01 | 40m | - / -15 | YU65AEC | +6 / - | 5 | Partial capture |
| 10-18 19:26 | 60m | -9 / - | IQ3TR | - / -4 | 3 | Partial capture |
| 10-17 05:58 | 60m | -16 / -14 | IQ3TR | -5 / -16 | 4 | ✓ Full exchange observed |
| 10-11 05:09 | 40m | -8 / - | AN5CV | - / - | 4 | Partial capture |
| 10-11 03:37 | 80m | -20 / -7 | IQ2AAH | +2 / -10 | 4 | ✓ Full exchange observed |
| 10-10 20:46 | 80m | - / -10 | AO5CV | -8 / - | 4 | Partial capture |
| 10-10 05:26 | 40m | -12 / -1 | IQ2AAH | -10 / -3 | 9 | ✓ Full exchange observed |
| 10-10 04:54 | 40m | -14 / -14 | IQ9SZ/2 | -3 / - | 2 | Partial capture |
| 10-10 04:48 | 80m | - / -14 | IQ2AAH | -3 / - | 2 | ✓ Closing fragment |
| 10-10 04:47 | 80m | - / -12 | F1PBZ | +4 / - | 3 | Partial capture |
| 10-09 04:30 | 40m | -7 / - | IQ0YA | - / -25 | 7 | Partial capture |
| 10-09 04:13 | 40m | -9 / - | IQ2AAH | - / -14 | 3 | ✓ Closing fragment |
| 10-09 03:59 | 40m | -5 / - | F4MXT/P | - / 0 | 2 | Partial capture |
| 10-09 03:55 | 80m | - / - | F5PBG | -5 / - | 2 | Partial capture |
| 10-09 03:54 | 80m | -16 / -23 | IQ2AAH | -1 / - | 3 | ✓ Closing observed |
| 10-08 19:58 | 80m | -13 / -25 | IQ2AAH | -12 / -10 | 6 | Partial capture |
| 10-08 03:57 | 80m | -13 / -7 | IQ0SQ | -1 / -7 | 3 | Partial capture |
| 10-07 05:10 | 40m | - / - | F4HSB | -18 / - | 4 | Partial capture |
| 10-07 05:10 | 40m | - / - | RD3FY | -9 / - | 4 | Partial capture |
| 10-07 05:02 | 40m | - / +1 | IQ6MW | -4 / - | 2 | ✓ Closing fragment |
| 10-07 04:46 | 40m | - / - | UA4FKT | -5 / - | 4 | Partial capture |
| 10-07 04:44 | 40m | -3 / - | IQ2AAH | - / -21 | 4 | ✓ Closing fragment |
| 10-07 04:05 | 80m | - / - | F5RAV | -2 / - | 2 | Partial capture |
| 10-07 04:01 | 80m | -10 / -7 | IQ2AAH | -3 / -13 | 6 | ✓ Full exchange observed |
| 10-06 19:29 | 80m | - / -17 | IQ2AAH | -9 / - | 3 | ✓ Closing fragment |
| 10-06 05:25 | 40m | - / -7 | YO4NT | -2 / - | 2 | Partial capture |
| 10-06 05:22 | 40m | -7 / - | IQ9SZ/7 | - / +5 | 3 | Partial capture |
| 10-06 05:19 | 40m | - / -3 | IQ2AAH | +3 / - | 2 | ✓ Closing fragment |
| 10-05 20:01 | 40m | - / +2 | IQ2AAH | +2 / - | 2 | ✓ Closing fragment |
| 10-05 05:26 | 40m | -14 / - | IQ0YA | - / -19 | 5 | Partial capture |
| 10-04 19:36 | 40m | -4 / 0 | IQ0YA | -10 / -10 | 4 | ✓ Full exchange observed |
| 10-04 19:29 | 40m | -7 / +2 | IQ2AAH | 0 / -1 | 5 | ✓ Full exchange observed |
| 10-04 19:27 | 40m | -8 / - | PA5MB/QRP | - / -2 | 2 | Partial capture |
| 10-03 16:55 | 40m | - / - | DG1RMY | -10 / - | 3 | Partial capture |
| 10-03 16:51 | 40m | -12 / +5 | IQ4JO | +8 / 0 | 5 | ✓ Full exchange observed |
| 10-03 16:48 | 40m | -8 / -6 | IQ0YA | -3 / -7 | 5 | ✓ Full exchange observed |
| 10-03 05:23 | 40m | -13 / - | IQ9SZ/7 | - / +4 | 2 | Partial capture |
| 10-03 04:45 | 80m | - / -10 | IQ2AAH | -6 / - | 2 | ✓ Closing fragment |
| 10-02 05:04 | 40m | -13 / - | IQ2AAH | - / - | 2 | Partial capture |
| 10-02 05:03 | 40m | - / - | IC8TEM | -10 / - | 2 | Partial capture |
| 10-02 04:19 | 80m | -11 / +10 | SX2LGT | -5 / +8 | 4 | ✓ Full exchange observed |
| 10-01 16:50 | 40m | -4 / - | SX2LGT | - / +1 | 2 | Partial capture |
| 10-01 16:48 | 40m | -3 / - | IQ0YA | -20 / - | 2 | ✓ Closing observed |
| 10-01 16:38 | 40m | -6 / - | IQ0YA | - / -9 | 6 | Partial capture |
| 10-01 04:20 | 80m | - / -9 | IQ9SZ/7 | -4 / - | 6 | Partial capture |
| 10-01 04:13 | 80m | - / -16 | IQ9SZ/7 | -8 / - | 2 | Partial capture |
| 09-20 20:55 | 40m | -15 / -14 | II0IHMG | -5 / -15 | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 051030 -3 1312 AN5CV SV1IU KM17 (x2) 192800 -14 1451 IQ0YA SV1IU KM17 134145 -17 1771 IQ3TR SV1IU KM17 134400 +1 1669 SV1IU IQ3TR -12 134430 -10 623 SV1IU LZ3SD KN22 170130 +9 2948 SV1IU YU65AEC -15 (x9)
UTC dB Audio Message 044915 -5 2419 SV1IU ON7HM JO10 044915 -2 1174 SV1IU IQ2AAH RR73 203930 -2 1392 SV1IU IQ9SZ/2 -10 204600 -1 2103 SV1IU AO5CV -10 (x4) 033745 -2 1242 SV1IU IQ2AAH -07 033800 -19 1272 IQ2AAH SV1IU R-10 033815 +5 1242 SV1IU IQ2AAH RR73 033830 -22 1272 IQ2AAH SV1IU 73 162200 -4 1620 SV1IU R7DX KN84 (x4)
UTC dB Audio Message 190615 -6 1367 II8IHBC SV1IU R-11 190730 -7 245 SV1IU SQ2BXI JO94 (x7) 055830 -15 232 IQ3TR SV1IU KM17 055845 -2 232 SV1IU IQ3TR -14 055900 -17 231 IQ3TR SV1IU R-16 055915 -8 232 SV1IU IQ3TR RR73 192645 -10 1153 IQ3TR SV1IU KM17 (x3)
UTC dB Audio Message 080245 -18 1319 SV1IU R1WBJ KO47 054215 -18 1032 SV1IU R6FX LN14 (x2) 055130 -20 1144 CR5VP SV1IU KM17 134545 -16 1275 SV1IU F4HSB JN37 (x3)
UTC dB Audio Message 122700 -15 901 CR5VP SV1IU KM17
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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