4U1GSC — 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 4U1GSC, decoded by SO8OO in southeastern Poland. 435 FT8 messages attributed to this token as transmitter, on 160m, 60m, 40m, 20m, 10m, across 14 UTC dates in the available aggregate history. Observed between 2026-06-16 and 2026-09-13.
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 435 FT8 messages attributed to 4U1GSC as the transmitting token by decoded message structure across 14 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (54%), followed by 160 m (22%) and 40 m (16%). Several six-hour UTC windows tied for the largest share (55%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (80%); the estimated median was -2.1 dB.
Overview
Bands
Last attributed message: 2026-09-13 18:27 UTC
Observed FT8 message patterns
- Attributed sample
- 435 messages
- Active dates
- 14 UTC dates
- Estimated median S/N
- -2.1 dB
- Estimated 10th-90th percentile
- -10 to +12 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1, moderate (-15 to -9 dB) 87, strong (≥ -8 dB) 347.
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 4U1GSC 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 4U1GSC
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
- JN80 · 76 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,114 km (approx.)
- Last such locator decoded
- 2026-09-13 18:27 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 | 4U1GSC S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-13 18:26 | 160m | - / - | RC2DD | -10 / - | 2 | Partial capture |
| 09-13 18:25 | 160m | +9 / - | LY2BNL | -20 / -18 | 3 | ✓ Closing observed |
| 09-13 18:25 | 160m | +12 / 0 | DJ3JD | -13 / -15 | 5 | ✓ Full exchange observed |
| 09-13 18:25 | 160m | - / - | RU4I | -19 / - | 3 | Partial capture |
| 09-13 18:25 | 160m | - / - | SP7ENW | -7 / - | 9 | Partial capture |
| 09-13 18:24 | 160m | +12 / +3 | YL3HI | +4 / -7 | 5 | ✓ Full exchange observed |
| 09-13 18:23 | 160m | - / - | RA3UEV | -9 / - | 5 | Partial capture |
| 09-13 18:22 | 160m | +10 / -11 | OE1SGU | +2 / -7 | 6 | ✓ Full exchange observed |
| 09-13 18:22 | 160m | +12 / -1 | OH1JP | +13 / -16 | 5 | ✓ Full exchange observed |
| 09-13 18:19 | 160m | +8 / - | Z31PM | -4 / +5 | 6 | ✓ Full exchange observed |
| 09-13 18:18 | 160m | - / -19 | RX4HX | -10 / - | 2 | Partial capture |
| 09-13 18:18 | 160m | +7 / -21 | R2SDZ | -2 / -9 | 9 | ✓ Full exchange observed |
| 09-13 18:18 | 160m | +11 / - | R9CS/P | -14 / -14 | 4 | ✓ Closing observed |
| 09-13 18:17 | 160m | - / - | SP7ENW | -2 / - | 5 | Partial capture |
| 09-13 18:15 | 160m | +12 / -13 | DH8WF | -18 / -18 | 5 | ✓ Full exchange observed |
| 09-13 18:15 | 160m | +10 / +4 | DK6ED | -5 / -10 | 5 | ✓ Full exchange observed |
| 09-13 18:15 | 160m | - / - | DL6WAB | -16 / - | 2 | Partial capture |
| 09-13 18:14 | 160m | - / - | DM3RCK | -20 / - | 4 | Partial capture |
| 09-13 18:14 | 160m | +11 / -1 | SQ9PBV | +2 / - | 4 | ✓ Closing observed |
| 09-13 18:12 | 160m | +9 / +6 | RC6OZ | -12 / -16 | 4 | ✓ Full exchange observed |
| 09-13 18:09 | 160m | +13 / +8 | SP3CUG | +6 / -19 | 6 | ✓ Full exchange observed |
| 09-13 18:08 | 160m | +10 / +1 | DM5MA | -9 / -17 | 10 | ✓ Full exchange observed |
| 09-13 18:06 | 160m | +11 / - | UA9MA | - / -11 | 2 | ✓ Closing fragment |
| 09-13 18:05 | 160m | +6 / - | RC6OZ | -10 / -19 | 3 | Partial capture |
| 09-13 18:05 | 160m | - / - | DL6WAB | -12 / - | 8 | Partial capture |
| 09-13 18:03 | 160m | +8 / -11 | RN3OX | -10 / -18 | 11 | Partial capture |
| 09-13 18:03 | 160m | +8 / +9 | DK2LO | -10 / -19 | 4 | ✓ Full exchange observed |
| 09-13 18:02 | 160m | - / - | DM5MA | -10 / - | 2 | Partial capture |
| 09-13 18:00 | 160m | +10 / -1 | OK4FX | -16 / -18 | 6 | ✓ Full exchange observed |
| 09-13 18:00 | 160m | +12 / -16 | R3ZG | -18 / -18 | 9 | ✓ Full exchange observed |
| 09-13 17:58 | 160m | +7 / -3 | OK1VKX | +9 / -3 | 7 | ✓ Full exchange observed |
| 09-13 17:55 | 160m | +9 / - | RN4SN | - / -20 | 4 | Partial capture |
| 09-13 17:52 | 160m | - / -16 | UA3RCW | -15 / - | 3 | Partial capture |
| 09-13 17:50 | 160m | +8 / - | SP9ENV | -18 / -17 | 8 | ✓ Closing observed |
| 09-13 17:49 | 160m | +12 / +1 | RA3DA | +10 / +1 | 5 | ✓ Full exchange observed |
| 09-13 17:49 | 160m | +3 / -2 | RA4LAG | -9 / -18 | 5 | ✓ Full exchange observed |
| 09-13 17:47 | 160m | +8 / -24 | R5DT | +11 / -8 | 6 | ✓ Full exchange observed |
| 09-13 17:46 | 160m | +9 / -16 | R2DRE | -19 / -19 | 13 | ✓ Full exchange observed |
| 09-13 17:46 | 160m | +8 / -6 | RA3VX | -6 / -17 | 6 | ✓ Full exchange observed |
| 09-13 17:46 | 160m | +14 / -15 | RW3PL | -2 / -15 | 5 | ✓ Full exchange observed |
| 09-13 17:43 | 160m | +11 / -9 | SP3QDM | +11 / -15 | 3 | ✓ Full exchange observed |
| 09-13 17:43 | 160m | - / - | SV2AEL | +4 / - | 2 | Partial capture |
| 09-13 17:42 | 160m | +10 / -5 | R6DG | +4 / 0 | 5 | ✓ Full exchange observed |
| 09-13 17:41 | 160m | - / - | RA4LAG | -17 / - | 5 | Partial capture |
| 09-13 17:41 | 160m | +12 / -3 | UA3QNA | +11 / -2 | 9 | ✓ Full exchange observed |
| 09-13 17:40 | 160m | +9 / +8 | OM2WQ | +4 / -6 | 7 | ✓ Full exchange observed |
| 09-13 17:40 | 160m | +14 / -5 | RQ7O | +11 / +3 | 5 | ✓ Full exchange observed |
| 09-13 17:40 | 160m | - / -11 | UB6OAJ | -16 / - | 2 | Partial capture |
| 09-13 17:34 | 40m | +18 / -5 | RN6AK | +8 / +9 | 7 | ✓ Full exchange observed |
| 09-13 17:33 | 40m | +16 / -4 | UA1RC | -3 / -4 | 4 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 182630 -10 1615 4U1GSC DJ3JD JO52 182645 +13 368 DJ3JD 4U1GSC -15 182700 -4 2052 4U1GSC SP7ENW JO91 182700 -19 1169 4U1GSC RU4I LO43 182700 -15 1615 4U1GSC DJ3JD R+00 182715 +11 368 DJ3JD 4U1GSC RR73 182730 -7 2052 4U1GSC SP7ENW JO91 182730 -10 368 4U1GSC RC2DD KO85 182745 +13 368 CQ 4U1GSC JN80 182830 -1 2214 4U1GSC SP7ENW JO91 182830 +2 369 4U1GSC RD7O KN98 182900 -16 2214 4U1GSC SP7ENW JO91 (x3) 201730 +10 1700 4U1GSC OM2WQ JN88
UTC dB Audio Message 173200 +1 2018 4U1GSC IZ8VYU 73 173215 +12 404 R8OAE 4U1GSC -16 (x2) 173300 -4 403 4U1GSC UA1RC -04 173315 +13 404 UA1RC 4U1GSC R-04 173330 -2 403 4U1GSC UA1RC RR73 173345 +18 404 UA1RC 4U1GSC 73 173415 +19 404 CQ 4U1GSC JN80 173430 +6 404 4U1GSC RN6AK KN95 173445 +16 404 RN6AK 4U1GSC +09 173500 +9 404 4U1GSC RN6AK -05 173515 +16 404 RN6AK 4U1GSC R+12 173530 +8 404 4U1GSC RN6AK R-10 173545 +22 404 RN6AK 4U1GSC RR73 173600 +7 404 4U1GSC RN6AK RR73
UTC dB Audio Message 221145 -4 796 4U1GSC GI4FUE R-17 221145 -2 581 4U1GSC G0AZH IO83 221145 -13 2079 4U1GSC DL9KM JN68 221200 -1 526 GI4FUE 4U1GSC RR73 221215 -10 1144 4U1GSC PC2F JO22 221215 -4 796 4U1GSC GI4FUE R-17 221215 +2 580 4U1GSC G0AZH IO83 221230 +0 526 G0AZH 4U1GSC +00 221245 -4 797 4U1GSC GI4FUE 73 221245 -1 581 4U1GSC G0AZH IO83 221245 -17 2079 4U1GSC DL9KM JN68 221300 +1 526 G0AZH 4U1GSC +00 221315 -7 1144 4U1GSC PC2F JO22 (x3)
UTC dB Audio Message 181030 -9 574 PC5R 4U1GSC RR73 181100 -8 574 EA3AAY 4U1GSC +00 181130 -8 575 RW4F 4U1GSC +00 181230 -9 574 G7FCT 4U1GSC -09 181515 -6 573 4U1GSC G7FCT R-06 080000 -2 573 CQ 4U1GSC JN80 (x3) 021945 -21 1413 4U1GSC DL1UDO JO31 022000 -2 574 KF0MSJ 4U1GSC -06 022015 -18 1412 4U1GSC DL1UDO JO31 022030 -5 574 KF0MSJ 4U1GSC -03 (x2) 022145 -24 2087 4U1GSC R9ON -01 022215 -19 2187 4U1GSC R0AX NO56
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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