J38LD — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving J38LD, decoded by SO8OO in southeastern Poland. 488 FT8 messages attributed to this token as transmitter, on 60m, 40m, across 5 UTC dates in the available aggregate history. Observed between 2026-09-07 and 2026-09-12.
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 488 FT8 messages attributed to J38LD as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (94%), followed by 60 m (6%). Most decodes (98%) fell within the six-hour window 23:00-05:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.
Overview
Bands
Last attributed message: 2026-09-12 06:01 UTC
Observed FT8 message patterns
- Attributed sample
- 488 messages
- Active dates
- 5 UTC dates
- Estimated median S/N
- -12 dB
- Estimated 10th-90th percentile
- -20 to -5 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 167, moderate (-15 to -9 dB) 180, strong (≥ -8 dB) 141.
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 J38LD 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 J38LD
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
- FK92 · 64 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 8,434 km (approx.)
- Last such locator decoded
- 2026-09-12 04:37 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 | J38LD S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-12 07:58 | 40m | - / - | DK1XAM | -4 / - | 4 | Partial capture |
| 09-12 07:53 | 40m | - / -22 | F5IDJ | +11 / - | 3 | ✓ Closing fragment |
| 09-12 07:43 | 40m | - / - | LA7XK | -16 / - | 5 | Partial capture |
| 09-12 07:09 | 40m | - / -12 | ON5RZ | 0 / - | 3 | ✓ Closing fragment |
| 09-12 07:02 | 40m | - / - | ON5RZ | +2 / - | 8 | Partial capture |
| 09-12 06:59 | 40m | - / - | PD2PE | -21 / - | 2 | Partial capture |
| 09-12 06:58 | 40m | - / -18 | G1HWY | -18 / - | 3 | Partial capture |
| 09-12 06:54 | 40m | - / -12 | G1KIK | -9 / - | 3 | ✓ Closing fragment |
| 09-12 06:51 | 40m | - / - | MM0EAX | -4 / - | 4 | Partial capture |
| 09-12 06:50 | 40m | - / - | DL1YFS | -3 / - | 4 | Partial capture |
| 09-12 06:49 | 40m | - / -19 | GJ0KYZ | -12 / - | 3 | Partial capture |
| 09-12 06:48 | 40m | - / - | SM/DB9LG | -10 / - | 4 | Partial capture |
| 09-12 06:46 | 40m | - / - | OH3CV | -8 / - | 4 | Partial capture |
| 09-12 06:44 | 40m | - / -25 | OZ6P | +6 / - | 3 | ✓ Closing fragment |
| 09-12 06:42 | 40m | - / -21 | SM5YOC | -14 / - | 6 | ✓ Closing fragment |
| 09-12 06:41 | 40m | - / -13 | GM6URC | -22 / - | 3 | Partial capture |
| 09-12 06:41 | 40m | - / - | PD2AM | -15 / - | 2 | Partial capture |
| 09-12 06:40 | 40m | - / - | G1KIK | -8 / - | 2 | Partial capture |
| 09-12 06:39 | 40m | - / - | IZ4DYU | -7 / - | 4 | Partial capture |
| 09-12 06:34 | 40m | - / -17 | VK7AC | -20 / - | 4 | Partial capture |
| 09-12 06:33 | 40m | - / -6 | DL1GLO | -4 / - | 4 | ✓ Closing fragment |
| 09-12 06:32 | 40m | - / - | SM5YOC | -12 / - | 5 | Partial capture |
| 09-12 06:32 | 40m | - / - | IZ4DYU | -4 / - | 2 | Partial capture |
| 09-12 06:31 | 40m | - / - | DL6UM | +1 / - | 5 | Partial capture |
| 09-12 06:30 | 40m | - / -10 | F4BYA | +2 / - | 3 | ✓ Closing fragment |
| 09-12 06:29 | 40m | - / -22 | VK7AC | -12 / - | 3 | Partial capture |
| 09-12 06:26 | 40m | - / -6 | DL3CY | +13 / - | 4 | Partial capture |
| 09-12 06:26 | 40m | - / -7 | F4EMG | +1 / - | 4 | ✓ Closing fragment |
| 09-12 06:23 | 40m | - / - | UR3CTU | +2 / - | 2 | Partial capture |
| 09-12 06:23 | 40m | - / -2 | HB9DGZ | +5 / - | 3 | ✓ Closing fragment |
| 09-12 06:23 | 40m | - / - | PD0WL | -4 / - | 3 | Partial capture |
| 09-12 06:21 | 40m | - / -18 | SQ5EXI | +12 / - | 2 | Partial capture |
| 09-12 06:20 | 40m | - / - | DC2HO | -2 / - | 3 | ✓ Closing fragment |
| 09-12 06:20 | 40m | - / - | DL1YKQ | +2 / - | 6 | Partial capture |
| 09-12 06:16 | 40m | - / - | ES2TT | -10 / - | 4 | Partial capture |
| 09-12 06:14 | 40m | - / -10 | IZ0EUX | -7 / - | 6 | ✓ Closing fragment |
| 09-12 06:13 | 40m | - / -8 | IZ0CLP | -6 / - | 3 | Partial capture |
| 09-12 06:12 | 40m | - / -19 | YO7CFD | +4 / - | 3 | Partial capture |
| 09-12 06:11 | 40m | - / -2 | F5LSU | -2 / - | 5 | ✓ Closing fragment |
| 09-12 06:10 | 40m | - / -20 | OM3PC | +8 / - | 8 | ✓ Closing fragment |
| 09-12 06:09 | 40m | - / - | ES2TT | -11 / - | 5 | Partial capture |
| 09-12 06:08 | 40m | - / -14 | DH0GBC | -3 / - | 10 | Partial capture |
| 09-12 06:08 | 40m | - / - | F4LZZ | -11 / - | 3 | Partial capture |
| 09-12 06:07 | 40m | - / -15 | PD1AC | -16 / - | 3 | Partial capture |
| 09-12 06:07 | 40m | - / -21 | YO7CFD | +1 / - | 5 | Partial capture |
| 09-12 06:06 | 40m | - / +1 | DL1STG | -2 / - | 4 | ✓ Closing fragment |
| 09-12 06:05 | 40m | - / - | DL2AXA | -7 / - | 6 | Partial capture |
| 09-12 06:05 | 40m | - / -15 | SP4MPH | -12 / - | 2 | Partial capture |
| 09-12 06:04 | 40m | - / - | EA1NT | -15 / - | 2 | Partial capture |
| 09-12 06:04 | 40m | - / - | OK2JKO | +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 071000 +0 2858 J38LD ON5RZ 73 071400 -16 2197 J38LD GM4YXI IO87 074330 -17 2131 J38LD LA7XK JO59 (x5) 075300 +10 2621 J38LD F5IDJ -22 (x3) 075830 -3 2877 J38LD DK1XAM JO42 (x4) 080700 -9 442 J38LD SM4UEF JP70
UTC dB Audio Message 231045 +5 2424 J38LD IT9KHI JM77 (x7) 172130 -16 800 J38LD F4LUG JN07 050615 -5 1403 J38LD SP9OJ JN99 (x7)
UTC dB Audio Message 154200 -24 1775 J38LD TA6B KN81
UTC dB Audio Message 024400 +9 2064 J38LD F6AOJ JN08 024400 -10 2231 J38LD 4X5MZ KM71 024430 -16 1981 J38LD WP3UX FK68 024430 -5 2670 J38LD OH2NAG KP20 024430 -7 529 J38LD M0LOW IO90 024430 +8 2064 J38LD F6AOJ JN08 024500 -17 1981 J38LD WP3UX FK68 024500 -5 2670 J38LD OH2NAG KP20 024500 -1 2064 J38LD F6AOJ JN08 (x2) 024600 -18 1820 J38LD WP3UX FK68 (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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