RZ4AT — 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 RZ4AT, decoded by SO8OO in southeastern Poland. 867 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 30 UTC dates in the available aggregate history. Observed between 2026-06-09 and 2026-10-11.
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 867 FT8 messages attributed to RZ4AT as the transmitting token by decoded message structure across 30 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (41%), followed by 80 m (40%) and 20 m (19%). Most decodes (90%) fell within the six-hour window 15:00-21:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -8 dB.
Overview
Bands
Last attributed message: 2026-10-11 14:51 UTC
Observed FT8 message patterns
- Attributed sample
- 867 messages
- Active dates
- 30 UTC dates
- Estimated median S/N
- -8 dB
- Estimated 10th-90th percentile
- -20 to 0 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 180, moderate (-15 to -9 dB) 241, strong (≥ -8 dB) 446.
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 RZ4AT 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 RZ4AT
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
- LN28 · 478 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,686 km (approx.)
- Last such locator decoded
- 2026-10-11 14:51 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 | RZ4AT S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-09 19:02 | 80m | - / - | OH3MB | -6 / - | 2 | ✓ Closing fragment |
| 10-09 19:00 | 80m | - / - | DO2ANW | -3 / - | 9 | Partial capture |
| 10-09 18:59 | 80m | -10 / - | R4GD | -16 / -8 | 3 | ✓ Closing observed |
| 10-09 18:58 | 80m | -8 / -2 | R3ZBY | -9 / -1 | 5 | ✓ Full exchange observed |
| 10-09 18:57 | 80m | -5 / - | UN0GY | - / - | 2 | Partial capture |
| 10-09 18:55 | 80m | -2 / - | UA4HBR | - / - | 2 | Partial capture |
| 10-09 18:54 | 80m | -2 / - | RW9QA | - / -12 | 2 | ✓ Closing fragment |
| 10-08 18:59 | 80m | -14 / -6 | UA1TAT | +2 / -1 | 8 | ✓ Full exchange observed |
| 10-05 20:10 | 80m | -8 / -13 | ON7GB | +6 / -8 | 9 | ✓ Full exchange observed |
| 10-05 19:56 | 80m | -2 / -14 | DK8HC | -8 / -18 | 4 | ✓ Full exchange observed |
| 10-05 19:56 | 80m | -3 / - | RA6LTD | - / -1 | 3 | ✓ Closing fragment |
| 10-05 19:55 | 80m | -4 / - | UC1C | - / -17 | 2 | ✓ Closing fragment |
| 10-05 19:54 | 80m | -3 / -13 | EU1EU | -4 / -9 | 4 | ✓ Full exchange observed |
| 10-05 19:50 | 80m | -4 / -8 | RU3RA | -4 / -1 | 4 | ✓ Full exchange observed |
| 10-05 19:44 | 80m | -14 / - | JA1ILA | - / -14 | 2 | Partial capture |
| 10-05 19:42 | 80m | -16 / -5 | UA4FKT | +2 / 0 | 5 | ✓ Full exchange observed |
| 10-05 19:36 | 80m | -16 / - | SP6FME | +4 / - | 4 | ✓ Closing observed |
| 10-05 18:21 | 80m | - / -12 | F4FSY | -4 / - | 2 | Partial capture |
| 10-05 18:16 | 80m | -10 / - | RC6YI | -15 / -2 | 5 | ✓ Closing observed |
| 10-05 18:15 | 80m | -11 / - | RA6MQ | - / -8 | 2 | ✓ Closing fragment |
| 10-05 18:14 | 80m | -12 / - | R7YZ | - / 0 | 2 | ✓ Closing fragment |
| 10-05 18:12 | 80m | -9 / - | RL3P | - / -5 | 3 | ✓ Closing fragment |
| 10-05 18:10 | 80m | -15 / - | RX3ASQ | - / - | 2 | Partial capture |
| 10-04 20:21 | 80m | -8 / - | JA1XEC | - / - | 2 | Partial capture |
| 10-04 20:20 | 80m | -8 / - | JR1AIB | - / - | 2 | Partial capture |
| 10-04 20:18 | 80m | -8 / - | JR1CFG | - / -15 | 3 | ✓ Closing fragment |
| 10-04 20:17 | 80m | -6 / - | JF1UVJ | - / -14 | 2 | ✓ Closing fragment |
| 10-04 20:13 | 80m | -2 / - | JA2JNA | - / - | 2 | ✓ Closing fragment |
| 10-04 20:10 | 80m | -1 / - | JE2DZC | - / -18 | 3 | ✓ Closing fragment |
| 10-04 20:09 | 80m | -2 / -6 | R6FGF | -14 / -3 | 4 | ✓ Full exchange observed |
| 10-04 20:06 | 80m | -2 / - | RW9MZ | -19 / -4 | 5 | ✓ Closing observed |
| 10-04 20:05 | 80m | -2 / - | R6AO | - / -6 | 2 | ✓ Closing fragment |
| 10-04 20:03 | 80m | -4 / - | RK4HS | -23 / - | 2 | ✓ Closing observed |
| 10-04 20:01 | 80m | -6 / - | RY4D | -15 / - | 3 | ✓ Closing observed |
| 10-04 16:24 | 40m | -10 / - | DA125RH | - / - | 2 | Partial capture |
| 10-03 20:28 | 80m | - / +2 | RO2E/P | -16 / - | 2 | Partial capture |
| 10-03 20:20 | 80m | - / - | R4SCQ | -10 / - | 2 | ✓ Closing fragment |
| 10-03 20:17 | 80m | -11 / - | RO2E/P | - / -20 | 2 | Partial capture |
| 10-01 21:16 | 80m | - / -2 | R6OD | -3 / - | 3 | Partial capture |
| 09-27 17:43 | 80m | -4 / - | UB6OFG | - / - | 2 | Partial capture |
| 09-27 17:40 | 80m | -9 / - | RV3X | - / - | 2 | Partial capture |
| 09-27 17:37 | 80m | -6 / - | RN3TT | -7 / -2 | 4 | ✓ Closing observed |
| 09-27 17:34 | 80m | -1 / -10 | R6KY | -6 / - | 3 | ✓ Closing observed |
| 09-27 17:32 | 80m | -2 / -3 | RU3OH | +2 / +1 | 6 | ✓ Full exchange observed |
| 09-27 17:32 | 80m | - / -1 | RA6ZS | -12 / - | 2 | ✓ Closing fragment |
| 09-27 17:29 | 80m | -1 / -11 | R2EA/P | -8 / -6 | 6 | ✓ Full exchange observed |
| 09-12 20:38 | 80m | -10 / -10 | R3BCK | -8 / -20 | 10 | ✓ Full exchange observed |
| 09-12 20:31 | 80m | -4 / 0 | R4RJ | -12 / -1 | 4 | ✓ Full exchange observed |
| 09-12 20:31 | 80m | - / - | RO2X | -4 / - | 4 | Partial capture |
| 09-12 20:30 | 80m | -2 / +3 | RX4CK | -2 / +2 | 5 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 203130 -11 2199 RN6MA RZ4AT LN28 204600 -8 2174 JG4NNS RZ4AT LN28 204700 -14 2174 CQ JA RZ4AT LN28 204730 -10 2174 UN7PPV RZ4AT R-11 (x2) 204830 -10 2174 CQ JA RZ4AT LN28 (x4) 205200 -9 2174 JA5MHD RZ4AT LN28 (x2) 201430 -1 2373 RZ4AT RO2E/P RR73 162415 -13 2148 DA125RH RZ4AT LN28 (x2) 145115 -18 2167 <R5BM/M> RZ4AT LN28
UTC dB Audio Message 190000 -7 2201 R4GD RZ4AT RR73 190015 +4 2391 RZ4AT DO2ANW JN57 (x2) 190100 -13 2202 R4HGP RZ4AT RR73 190115 +3 2392 RZ4AT DO2ANW JN57 190130 -11 2201 CQ RZ4AT LN28 190145 -3 808 RZ4AT DO5HOK JO41 190145 -8 2392 RZ4AT DO2ANW JN57 190215 -7 2202 RZ4AT OH3MB KP20 190215 -7 2392 RZ4AT DO2ANW JN57 (x2) 190315 -5 2202 RZ4AT OH3MB 73 190315 -6 2392 RZ4AT DO2ANW JN57 (x3)
UTC dB Audio Message 113345 -10 1683 UA0JBY RZ4AT 73 115430 -12 1683 UA0LHS RZ4AT LN28 (x4) 161545 -13 2515 UA0LQE RZ4AT LN28 (x10)
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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