LA7DFA — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving LA7DFA, decoded by SO8OO in southeastern Poland. 543 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 10m, across 34 UTC dates in the available aggregate history. Observed between 2026-06-18 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 543 FT8 messages attributed to LA7DFA as the transmitting token by decoded message structure across 34 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (58%), followed by 40 m (19%) and 60 m (15%). Most decodes (77%) fell within the six-hour window 20:00-02:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (79%); the estimated median was -1 dB.
Overview
Bands
Last attributed message: 2026-09-20 05:10 UTC
Observed FT8 message patterns
- Attributed sample
- 543 messages
- Active dates
- 34 UTC dates
- Estimated median S/N
- -1 dB
- Estimated 10th-90th percentile
- -12 to +12 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 22, moderate (-15 to -9 dB) 91, strong (≥ -8 dB) 430.
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 LA7DFA 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 LA7DFA
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
- JP33 · 413 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,748 km (approx.)
- Last such locator decoded
- 2026-09-20 05:06 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 | LA7DFA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-20 05:09 | 60m | -7 / -12 | IK4CBO | -11 / -3 | 5 | ✓ Full exchange observed |
| 09-20 05:08 | 60m | - / -8 | SN40KZE | -6 / - | 2 | Partial capture |
| 09-20 05:06 | 60m | - / -5 | DD6ZV | +13 / - | 3 | ✓ Closing fragment |
| 09-19 01:00 | 160m | -20 / - | VP8A | - / -15 | 2 | Partial capture |
| 09-17 01:32 | 80m | - / - | DO9BAU | +1 / - | 12 | Partial capture |
| 09-17 01:31 | 80m | 0 / -1 | V26OC | -20 / - | 3 | ✓ Closing observed |
| 09-17 01:30 | 80m | - / - | DL9ATW | +2 / - | 11 | Partial capture |
| 09-16 20:20 | 80m | - / - | SV1DKR | -1 / - | 2 | Partial capture |
| 09-16 20:17 | 80m | -18 / -18 | S09S | -19 / - | 7 | ✓ Closing observed |
| 09-16 20:04 | 160m | - / - | S57MPU | +2 / - | 3 | Partial capture |
| 09-16 01:20 | 80m | +8 / - | 6Y5HN | - / - | 2 | Partial capture |
| 09-15 23:28 | 80m | - / - | PE1NPS | -13 / - | 3 | Partial capture |
| 09-15 23:27 | 80m | - / +2 | ON1JP | -21 / - | 3 | Partial capture |
| 09-15 23:22 | 80m | +2 / - | RI1FJZ | - / -13 | 9 | ✓ Closing fragment |
| 09-15 23:17 | 80m | - / - | OK7BB | -4 / - | 3 | Partial capture |
| 09-15 23:07 | 80m | -5 / - | RI1FJZ | - / - | 21 | Partial capture |
| 09-15 22:18 | 80m | +3 / - | RI1FJZ | - / - | 3 | Partial capture |
| 09-15 21:47 | 80m | -2 / - | RI1FJZ | - / - | 5 | Partial capture |
| 09-15 15:58 | 40m | -8 / - | RI1FJZ | - / - | 10 | Partial capture |
| 09-15 06:03 | 60m | -10 / - | ZL2AGY | - / - | 3 | Partial capture |
| 09-15 05:50 | 60m | - / - | DH3KR | -12 / - | 5 | Partial capture |
| 09-14 01:48 | 160m | - / - | OK1DXR | +8 / - | 8 | Partial capture |
| 09-14 01:47 | 160m | -10 / - | V26OC | - / -9 | 3 | ✓ Closing fragment |
| 09-14 00:57 | 160m | -7 / - | VP2MAA | - / -11 | 5 | ✓ Closing fragment |
| 09-14 00:44 | 160m | -4 / - | PY5XT | - / -20 | 4 | ✓ Closing fragment |
| 09-14 00:34 | 160m | -2 / - | VP2MAA | - / - | 2 | Partial capture |
| 09-14 00:24 | 160m | -2 / - | VP2MAA | - / - | 3 | Partial capture |
| 09-13 21:40 | 40m | +4 / - | RC0JD | - / -14 | 4 | ✓ Closing fragment |
| 09-13 21:23 | 40m | +18 / - | RC0JD | - / - | 9 | Partial capture |
| 09-13 00:53 | 80m | -12 / -9 | VO2NS | -17 / -12 | 8 | ✓ Full exchange observed |
| 09-13 00:49 | 80m | -16 / - | VO2NS | - / - | 4 | Partial capture |
| 09-13 00:32 | 80m | - / - | DO9BAU | +1 / - | 13 | Partial capture |
| 09-13 00:30 | 80m | +11 / -10 | VP2MAA | -15 / -5 | 5 | ✓ Full exchange observed |
| 09-13 00:28 | 160m | - / - | UA4FKT | +4 / - | 4 | Partial capture |
| 09-12 23:30 | 80m | -9 / 0 | KP4AA | -12 / -2 | 5 | ✓ Full exchange observed |
| 09-12 23:26 | 160m | - / - | OK1DXR | +8 / - | 10 | Partial capture |
| 09-12 21:25 | 80m | - / - | R4FDD | +1 / - | 3 | Partial capture |
| 09-12 21:23 | 80m | - / - | PF1B | -14 / - | 4 | Partial capture |
| 09-12 21:21 | 60m | - / - | SN40KZE | 0 / - | 5 | Partial capture |
| 09-12 21:19 | 60m | - / - | F4BYA | +8 / - | 6 | Partial capture |
| 09-12 05:13 | 60m | +2 / - | ZL2CC | - / - | 4 | Partial capture |
| 09-12 01:18 | 160m | - / - | CT2GQA | -10 / - | 2 | Partial capture |
| 09-12 01:18 | 160m | -6 / - | KP4AA | - / - | 2 | Partial capture |
| 09-12 01:17 | 160m | - / - | OK1DXR | +3 / - | 10 | Partial capture |
| 09-12 01:15 | 160m | -8 / - | V26OC | - / - | 4 | Partial capture |
| 09-11 23:09 | 160m | -8 / - | VP2MAA | - / - | 2 | Partial capture |
| 09-10 20:14 | 80m | -6 / - | VK2NSS | - / -26 | 3 | Partial capture |
| 09-10 19:48 | 80m | -4 / - | HL1WP | - / - | 6 | Partial capture |
| 09-10 05:22 | 60m | -5 / - | NP3MR | - / -15 | 3 | ✓ Closing fragment |
| 09-10 05:20 | 60m | -6 / - | CE2SV | - / -3 | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 055445 -8 2583 CQ DX LA7DFA JP33 060330 -9 2583 ZL2AGY LA7DFA JP33 (x3) 050600 -3 2885 CQ LA7DFA JP33 050615 +15 2885 LA7DFA DD6ZV JO62 (x3) 050815 -6 1804 LA7DFA SN40KZE -08 (x2) 050945 -12 1670 LA7DFA IK4CBO JN54 (x2) 051030 -7 2885 IK4CBO LA7DFA -03 051045 -11 1670 LA7DFA IK4CBO R-12 (x2)
UTC dB Audio Message 015330 -13 2546 CQ DX LA7DFA JP33 (x3) 200345 -21 895 RI1FJZ LA7DFA 73 200400 +1 212 LA7DFA S57MPU JN76 (x2) 200430 -20 1451 LA7DFA DL1KYF/P JO74 200500 +3 212 LA7DFA S57MPU JN76 012400 -11 2744 CQ DX LA7DFA JP33 (x4) 012830 -10 2744 CT2GQA LA7DFA -16 010015 -23 2240 VP8A LA7DFA JP33 (x2)
UTC dB Audio Message 013315 -4 926 LA7DFA DL9ATW JO61 (x2) 013415 -1 2402 LA7DFA DO9BAU JO62 013415 +2 925 LA7DFA DL9ATW JO61 013445 +2 2402 LA7DFA DO9BAU JO62 013445 +2 925 LA7DFA DL9ATW JO61 013515 +3 2402 LA7DFA DO9BAU JO62 013515 +1 926 LA7DFA DL9ATW JO61 013545 +0 2402 LA7DFA DO9BAU JO62 013545 +2 926 LA7DFA DL9ATW JO61 013615 -10 2402 LA7DFA DO9BAU JO62 (x5)
UTC dB Audio Message 212715 +14 334 RC0JD LA7DFA JP33 (x5) 155845 -7 290 RI1FJZ LA7DFA JP33 (x10)
UTC dB Audio Message 032215 +7 467 LA7DFA LX1TI +19 (x2) 040900 -22 1844 LA7DFA 5B4AMM -08 (x2) 073330 -22 1763 LA7DFA F4HSB R-01 (x2) 224700 -3 467 LA7DFA XU7O +03
UTC dB Audio Message 211430 +1 287 LA7DFA F1SAA JN25 (x3) 211800 -16 2389 LA7DFA DN9OPA JN38 212415 -13 285 XQ3SK LA7DFA JP33 221400 -17 1908 LA7DFA DN9ZZ JO32 (x2) 221700 -19 2191 LA7DFA IK4TVP -12 (x5) 195115 -14 1164 LA7DFA IK1JUS JN35 (x3)
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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