SP9OCH — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SP9OCH, decoded by SO8OO in southeastern Poland. 188 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, across 12 UTC dates in the available aggregate history. Observed between 2026-06-09 and 2026-09-20.
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 188 FT8 messages attributed to SP9OCH as the transmitting token by decoded message structure across 12 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (49%), followed by 80 m (31%) and 60 m (15%). Most decodes (79%) fell within the six-hour window 15:00-21:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (74%); the estimated median was -2 dB.
Overview
Bands
Last attributed message: 2026-09-20 19:30 UTC
Observed FT8 message patterns
- Attributed sample
- 188 messages
- Active dates
- 12 UTC dates
- Estimated median S/N
- -2 dB
- Estimated 10th-90th percentile
- -16 to +10 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 21, moderate (-15 to -9 dB) 27, strong (≥ -8 dB) 140.
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 SP9OCH 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 SP9OCH
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
- JO90 · 94 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 208 km (approx.)
- Last such locator decoded
- 2026-09-20 19:30 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 | SP9OCH S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-20 19:28 | 40m | - / - | PD0IFI | +14 / - | 2 | Partial capture |
| 09-20 19:26 | 40m | -2 / -5 | HA7TM | +13 / - | 5 | ✓ Full exchange observed |
| 09-20 19:23 | 60m | -2 / - | EA8AIN | - / - | 3 | Partial capture |
| 09-20 19:22 | 60m | +2 / - | 4X5EF | - / - | 2 | Partial capture |
| 09-20 19:17 | 60m | 0 / - | EA8AIN | - / - | 3 | Partial capture |
| 09-20 19:15 | 60m | 0 / -16 | CN8DN | -19 / +7 | 9 | ✓ Full exchange observed |
| 09-20 19:15 | 60m | - / - | PE1NPS | -8 / - | 3 | Partial capture |
| 09-20 19:13 | 60m | 0 / +1 | DL8UD | +4 / - | 8 | ✓ Full exchange observed |
| 09-15 14:13 | 40m | -5 / - | HG8LXL | -12 / - | 4 | ✓ Full exchange observed |
| 09-15 14:12 | 40m | -3 / 0 | LZ1ZF | -7 / - | 5 | ✓ Full exchange observed |
| 09-15 14:09 | 40m | -4 / - | II8IHBC | - / - | 4 | Partial capture |
| 09-15 14:07 | 40m | - / - | F6ARS | -6 / - | 10 | Partial capture |
| 09-14 17:20 | 80m | -10 / -9 | DO6AZ | 0 / - | 5 | ✓ Full exchange observed |
| 09-14 17:20 | 80m | - / - | HF5A | +18 / - | 2 | Partial capture |
| 09-14 17:19 | 60m | - / - | IK0BAL | -8 / - | 3 | Partial capture |
| 09-14 17:19 | 60m | - / - | LY3W | -5 / - | 4 | Partial capture |
| 09-14 17:16 | 40m | -21 / - | BI6AN | - / - | 2 | Partial capture |
| 09-14 17:15 | 40m | - / -2 | UR4LG | -4 / - | 3 | ✓ Closing fragment |
| 09-14 17:13 | 40m | -21 / -1 | R5AV | -2 / - | 3 | ✓ Full exchange observed |
| 09-14 17:11 | 40m | -20 / - | EX7CQ | - / +9 | 2 | ✓ Closing fragment |
| 08-06 17:07 | 20m | - / -7 | TA4SM | -10 / - | 3 | ✓ Closing fragment |
| 07-25 20:32 | 60m | -7 / +4 | SP2GJI | -8 / -3 | 5 | ✓ Full exchange observed |
| 07-25 20:27 | 80m | - / - | SP4WJ | -5 / - | 9 | Partial capture |
| 07-25 20:24 | 80m | +2 / -6 | R5AV | +1 / - | 2 | Partial capture |
| 07-25 20:23 | 80m | +7 / -5 | DK5WL | -7 / - | 5 | ✓ Full exchange observed |
| 07-25 20:21 | 80m | +3 / -3 | YO6LM | +6 / -6 | 5 | ✓ Full exchange observed |
| 07-25 20:18 | 80m | +9 / - | YL3PK | - / +4 | 6 | ✓ Closing fragment |
| 07-25 20:15 | 80m | +12 / -2 | DK3TNA | -2 / -2 | 5 | ✓ Full exchange observed |
| 07-25 20:15 | 80m | +10 / -21 | HB3YOY | -13 / +9 | 4 | ✓ Full exchange observed |
| 07-25 20:10 | 40m | -15 / - | OK1WLM | - / - | 2 | Partial capture |
| 07-25 20:09 | 40m | -10 / +1 | US2UM | +2 / -2 | 3 | ✓ Full exchange observed |
| 07-25 20:07 | 40m | -10 / - | YL2TM | - / +7 | 2 | Partial capture |
| 07-25 20:05 | 40m | -14 / - | EA5KB | - / 0 | 2 | ✓ Closing fragment |
| 07-25 20:04 | 40m | - / - | DL6UM | -7 / - | 2 | Partial capture |
| 07-25 20:04 | 40m | - / - | US2UM | -1 / - | 5 | Partial capture |
| 07-25 20:04 | 40m | - / -8 | R2EA | -7 / - | 2 | Partial capture |
| 07-25 20:01 | 40m | -6 / - | E72ET | - / +5 | 3 | ✓ Closing fragment |
| 07-20 20:52 | 80m | - / -10 | YO6LM | +2 / - | 2 | Partial capture |
| 07-20 20:51 | 80m | - / - | SP6U | +4 / - | 2 | ✓ Closing fragment |
| 07-20 20:39 | 80m | +14 / 0 | SP9LS | +12 / - | 4 | ✓ Full exchange observed |
| 07-20 20:34 | 80m | +10 / - | CT7AUT | - / -7 | 3 | Partial capture |
| 07-20 20:31 | 160m | -17 / - | IK4OLQ | - / - | 3 | Partial capture |
| 07-20 20:28 | 160m | -13 / - | <...> | - / - | 3 | Partial capture |
| 07-20 20:26 | 60m | -20 / +8 | OM5JG | -11 / +8 | 5 | ✓ Full exchange observed |
| 07-20 20:23 | 60m | -14 / - | SP6SOZ | - / - | 2 | Partial capture |
| 07-20 20:22 | 80m | - / - | DO9BAU | +6 / - | 4 | Partial capture |
| 07-20 20:18 | 80m | +4 / -14 | DK7ZT | +4 / - | 5 | ✓ Full exchange observed |
| 07-20 20:17 | 80m | +12 / - | UA4FKT | +2 / - | 6 | ✓ Closing observed |
| 07-20 20:17 | 80m | +10 / - | IK2UCL | -13 / +1 | 3 | ✓ Closing observed |
| 07-20 09:21 | 20m | - / - | HG8LXL | +2 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 141400 -4 1489 HG8LXL SP9OCH RR73 141415 -15 1646 SP9OCH HG8LXL 73 141430 -3 1488 II8IHBC SP9OCH JO90 141500 -6 1489 <HF100PKP> SP9OCH JO90 192545 -4 1530 CQ SP9OCH JO90 a1 192600 +13 1531 SP9OCH HA7TM JN97 192615 -2 1530 HA7TM SP9OCH +30 192630 +13 1531 SP9OCH HA7TM R-05 192645 -2 1530 HA7TM SP9OCH RR73 192700 +12 1531 SP9OCH HA7TM 73 192715 -1 1530 CQ SP9OCH JO90 192800 +15 483 SP9OCH PD0IFI JO32 (x2) 192845 -1 1530 M9NTS SP9OCH +07 193000 -2 1530 OE3PBS SP9OCH JO90
UTC dB Audio Message 191630 -18 1534 SP9OCH CN8DN -16 191645 +1 1523 CN8DN SP9OCH R+07 191700 -18 1534 SP9OCH CN8DN RR73 191745 +1 1524 EA8AIN SP9OCH JO90 191800 -19 1534 SP9OCH CN8DN RR73 191815 +0 1524 CN8DN SP9OCH 73 191845 +0 1524 EA8AIN SP9OCH JO90 191930 -22 1534 SP9OCH CN8DN RR73 191945 +0 1523 CN8DN SP9OCH 73 192015 -2 1524 EA8AIN SP9OCH JO90 192215 +2 1524 4X5EF SP9OCH JO90 (x2) 192315 -4 1524 EA8AIN SP9OCH JO90 (x3)
UTC dB Audio Message 202800 -6 1377 SP9OCH SP4WJ KO03 (x7) 171915 -9 1451 CQ SP9OCH JO90 172000 +16 2429 SP9OCH HF5A JO92 172015 -10 1451 DO6AZ SP9OCH JO90 172030 +19 2429 SP9OCH HF5A JO92 172030 +2 1482 SP9OCH DO6AZ -09 172045 -9 1451 DO6AZ SP9OCH R+19 172100 -3 1481 SP9OCH DO6AZ RR73 172115 -11 1451 DO6AZ SP9OCH 73
UTC dB Audio Message 111300 -5 2351 SP9OCH UT7UJ +02 (x2) 091615 -4 2827 SP9OCH F1PBZ -15 091915 +5 2704 SP9OCH GJ0KYZ -13 091945 -9 2327 SP9OCH OZ9FF -05 092045 +7 2704 SP9OCH GJ0KYZ -13 092045 -23 1928 SP9OCH F4FSY +01 092115 +5 1537 SP9OCH HG8LXL KN06 092115 +2 2704 SP9OCH GJ0KYZ -13 092115 -20 1928 SP9OCH F4FSY +01 092315 -1 1537 SP9OCH HG8LXL KN06 092345 -20 1731 SP9OCH F4HSB JN37 170745 -8 1677 SP9OCH TA4SM -07 (x3)
UTC dB Audio Message 202845 -13 1522 <...> SP9OCH JO90 (x2) 202945 -14 1523 CQ SP9OCH JO90 203000 -1 870 SP9OCH SQ2PHC JO94 203015 -13 1523 <...> SP9OCH JO90 203115 -20 1523 IK4OLQ SP9OCH JO90 (x3)
UTC dB Audio Message 100545 -23 1938 SP9OCH F5RRS 73 101230 -6 2546 SP9OCH DN9OPA -09
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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