R3WCH — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R3WCH, decoded by SO8OO in southeastern Poland. 17 FT8 messages attributed to this token as transmitter, on 10m, across 2 UTC dates in the available aggregate history. Observed between 2026-07-05 and 2026-07-18.
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 17 FT8 messages attributed to R3WCH as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 10 m (100%). In this small sample, the estimated median decoder S/N was -14 dB; no usual signal pattern is inferred.
Overview
Observed FT8 message patterns
- Attributed sample
- 17 messages
- Active dates
- 2 UTC dates
- Estimated median S/N
- -14 dB
- S/N percentile sample
- Too small
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 4, moderate (-15 to -9 dB) 11, strong (≥ -8 dB) 2.
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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).
Frequent counterpart tokens observed at SO8OO
Tokens most often paired with R3WCH in decoded directed-looking exchanges:
Most frequent locator attributed to R3WCH
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
- KO81 · 13 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,083 km (approx.)
- Last such locator decoded
- 2026-07-18 13:22 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 | R3WCH S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 12:13 | 20m | - / -13 | HA1ZW | -12 / - | 2 | Partial capture |
| 08-23 11:47 | 20m | - / -19 | DK2NG | +10 / - | 3 | ✓ Closing fragment |
| 08-23 11:37 | 20m | - / -25 | IK4LZH | +6 / - | 3 | Partial capture |
| 08-16 09:32 | 20m | - / - | DM2DXA | -18 / - | 2 | Partial capture |
| 08-16 08:54 | 20m | - / - | DL1R | -1 / - | 9 | Partial capture |
| 08-09 10:53 | 20m | - / -13 | DK3BK | -9 / - | 3 | ✓ Closing fragment |
| 08-09 07:11 | 20m | - / -23 | SV2HTW | -11 / - | 5 | ✓ Closing fragment |
| 08-01 08:32 | 20m | - / -12 | LZ1FBI | -15 / - | 4 | ✓ Closing fragment |
| 07-19 08:58 | 10m | - / -7 | RZ6LY | -12 / - | 2 | Partial capture |
| 07-19 08:24 | 10m | - / - | DK4RH | -12 / - | 2 | Partial capture |
| 07-19 08:21 | 10m | - / - | R7DX | -11 / - | 10 | Partial capture |
| 07-18 13:16 | 10m | -12 / - | OE3MJA | - / - | 2 | Partial capture |
| 07-18 13:07 | 10m | -13 / - | S51KD | - / +2 | 3 | ✓ Closing fragment |
| 07-18 12:46 | 10m | - / -12 | RN6MA | -15 / - | 3 | ✓ Closing fragment |
| 07-18 12:16 | 10m | - / - | ON4ASV | -10 / - | 3 | Partial capture |
| 07-18 11:07 | 10m | - / -10 | F4FTV | -8 / - | 12 | ✓ Closing fragment |
| 07-18 10:43 | 10m | - / - | SV2AOB | -6 / - | 2 | Partial capture |
| 07-18 10:14 | 10m | - / -10 | PD7RF | -16 / - | 2 | ✓ Closing fragment |
| 07-18 10:07 | 10m | - / 0 | IK7IMK | +4 / - | 2 | ✓ Closing fragment |
| 07-18 09:39 | 10m | - / -1 | IK7IMK | +2 / - | 2 | ✓ Closing fragment |
| 07-18 09:06 | 10m | - / - | DN9BT | +8 / - | 2 | Partial capture |
| 07-18 09:02 | 10m | - / - | DJ5YS | -18 / - | 2 | Partial capture |
| 07-18 08:58 | 10m | - / -6 | SV2CLJ | -10 / - | 2 | ✓ Closing fragment |
| 07-18 08:56 | 10m | - / -6 | IK4LZH | +6 / - | 3 | ✓ Closing fragment |
| 07-18 08:53 | 10m | - / -15 | DL3MIB | -19 / - | 2 | ✓ Closing fragment |
| 07-18 08:36 | 10m | - / - | RZ3DJ | +2 / - | 2 | Partial capture |
| 07-18 08:32 | 10m | - / -8 | RL1B | -8 / - | 2 | Partial capture |
| 07-18 05:35 | 20m | - / -13 | SV2HTW | -6 / - | 2 | ✓ Closing fragment |
| 07-05 12:02 | 10m | - / -14 | EC5M | -20 / - | 2 | ✓ Closing fragment |
| 07-05 11:54 | 10m | -3 / - | LZ1JZ | +4 / - | 2 | ✓ Closing observed |
| 07-05 11:52 | 10m | - / -19 | EA5OL | -9 / - | 3 | ✓ Closing fragment |
| 07-05 11:48 | 10m | - / -6 | GJ0KYZ | +2 / - | 2 | ✓ Closing fragment |
| 07-05 11:41 | 10m | - / -7 | F1ODM | -17 / - | 3 | ✓ Closing fragment |
| 07-05 11:34 | 10m | - / -1 | IK4LZH | +9 / - | 3 | Partial capture |
| 07-05 11:31 | 10m | - / - | F4BJN | -24 / - | 2 | Partial capture |
| 06-27 11:25 | 20m | - / - | IK2XDF | 0 / - | 5 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 085645 -1 2656 R3WCH DL1R JN58 (x5) 093200 -17 1964 R3WCH DM2DXA JO64 (x2) 113745 +8 465 R3WCH IK4LZH -25 (x3) 114745 +8 2101 R3WCH DK2NG JO52 (x3) 121330 -15 1371 R3WCH HA1ZW -13 (x2)
UTC dB Audio Message 082200 -12 1284 R3WCH DL1WKA JO42 082230 -9 1970 R3WCH R7DX KN84 (x4) 082400 -11 1749 R3WCH DK4RH JO31 082430 -9 1970 R3WCH R7DX KN84 082430 -8 2683 R3WCH IQ4JO JN63 082430 -14 1749 R3WCH DK4RH JO31 082600 -17 1970 R3WCH R7DX KN84 (x3) 085830 -20 1605 R3WCH RZ6LY -07 (x2) 085930 -13 1970 R3WCH R7DX -19
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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