R4RZ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R4RZ, decoded by SO8OO in southeastern Poland. 567 related FT8 messages, 33 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 39 UTC dates. Heard between 2026-05-25 and 2026-08-23.
These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.
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Overview
Frequent QSO partners observed at SO8OO
Stations R4RZ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R4RZ
Approximate centre of LO55, decoded 2026-08-22 18:24 UTC. A transmitted locator is not proof of the operator's permanent location.
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 | R4RZ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 21:00 | 40m | -2 / - | EA5KB | - / -12 | 2 | ✓ Closing fragment |
| 08-22 20:47 | 80m | - / - | SP1MGM | +4 / - | 2 | Partial capture |
| 08-22 20:45 | 80m | - / - | R5ACQ | -7 / - | 2 | ✓ Closing fragment |
| 08-22 20:26 | 40m | - / - | R2ASY | -6 / - | 2 | Partial capture |
| 08-22 18:21 | 80m | -4 / +10 | UG4L | 0 / -3 | 7 | ✓ Full exchange observed |
| 08-22 18:20 | 80m | -3 / -4 | R4UA | +4 / - | 3 | ✓ Closing observed |
| 08-22 18:20 | 80m | -2 / +8 | RJ3T | -13 / - | 3 | ✓ Closing observed |
| 08-22 18:18 | 80m | -1 / - | UA4NCX | -10 / -10 | 3 | ✓ Closing observed |
| 08-22 18:17 | 80m | 0 / -11 | R4HHN | -2 / -18 | 5 | ✓ Full exchange observed |
| 08-22 18:15 | 80m | +1 / - | UA0TP | -12 / -13 | 4 | ✓ Closing observed |
| 08-22 05:12 | 20m | -3 / - | VK4BPK | - / -12 | 3 | ✓ Closing fragment |
| 08-22 04:59 | 20m | -2 / - | UN7FBW | - / -12 | 5 | ✓ Closing fragment |
| 08-22 04:58 | 20m | -2 / - | VK2VAR | - / -17 | 2 | ✓ Closing fragment |
| 08-22 04:47 | 20m | -2 / - | RA9MAI | - / - | 2 | ✓ Closing fragment |
| 08-22 04:44 | 20m | 0 / - | DJ0MAB | -15 / -10 | 4 | ✓ Closing observed |
| 08-22 04:43 | 20m | 0 / - | XQ1KK | -1 / -12 | 3 | ✓ Closing observed |
| 08-22 04:40 | 20m | +2 / - | VK3JMA | - / - | 2 | Partial capture |
| 08-22 04:36 | 20m | +8 / - | HI8DX | - / - | 3 | Partial capture |
| 08-21 17:50 | 40m | - / -8 | UD7G | +6 / - | 6 | Partial capture |
| 08-21 17:49 | 40m | +4 / +7 | DB2HA | +7 / -11 | 5 | ✓ Full exchange observed |
| 08-21 17:49 | 40m | - / -6 | RA3AV | -2 / - | 3 | Partial capture |
| 08-21 17:49 | 40m | +4 / -13 | UA1AEL | -8 / -9 | 6 | ✓ Full exchange observed |
| 08-21 17:48 | 40m | - / +2 | R3ICU | -16 / - | 2 | ✓ Closing fragment |
| 08-21 15:40 | 40m | -13 / -10 | RA1TR | -10 / -11 | 5 | ✓ Full exchange observed |
| 08-21 15:38 | 40m | - / -12 | R7DX | -3 / - | 5 | ✓ Closing fragment |
| 08-21 15:37 | 40m | - / -7 | UB6OCP | -14 / - | 4 | ✓ Closing fragment |
| 08-21 15:31 | 40m | -16 / - | YD5BAG | - / -13 | 2 | Partial capture |
| 08-21 15:30 | 40m | -12 / -10 | RA3SO | -16 / - | 4 | ✓ Closing observed |
| 08-21 15:18 | 40m | -12 / - | XU7O | - / - | 2 | Partial capture |
| 08-21 04:55 | 20m | -10 / - | KP2B | - / - | 2 | Partial capture |
| 08-21 04:50 | 20m | -12 / - | KP2B | - / - | 2 | Partial capture |
| 08-21 04:46 | 20m | -18 / -8 | RA3DAD | +5 / -1 | 4 | ✓ Full exchange observed |
| 08-20 18:24 | 40m | 0 / -2 | R3LAF | -8 / - | 4 | ✓ Closing observed |
| 08-20 18:23 | 40m | -2 / -5 | R4UR | -8 / -1 | 4 | ✓ Full exchange observed |
| 08-20 00:51 | 40m | +4 / - | R6XW | - / -14 | 3 | ✓ Closing fragment |
| 08-20 00:47 | 40m | +5 / -11 | JY5IB | -10 / -19 | 7 | ✓ Full exchange observed |
| 08-20 00:38 | 40m | +4 / - | <...> | - / - | 4 | Partial capture |
| 08-20 00:34 | 80m | - / -6 | YO6LM | +8 / - | 3 | ✓ Closing fragment |
| 08-20 00:33 | 80m | -12 / +7 | R8LCI | -21 / - | 3 | ✓ Closing observed |
| 08-20 00:30 | 80m | - / -11 | OZ/KD0NDU | +6 / - | 2 | Partial capture |
| 08-20 00:30 | 80m | -19 / - | <...> | - / -19 | 2 | Partial capture |
| 08-20 00:25 | 80m | -6 / -10 | RM5F | -1 / - | 4 | ✓ Closing observed |
| 08-20 00:22 | 80m | -3 / - | OJ0YL | - / -7 | 5 | ✓ Closing fragment |
| 08-20 00:16 | 80m | -1 / - | OJ0YL | - / - | 3 | Partial capture |
| 07-24 04:22 | 20m | - / +4 | R70OBN | -7 / - | 2 | ✓ Closing fragment |
| 07-24 02:53 | 20m | - / -10 | PY7XC | -9 / - | 2 | ✓ Closing fragment |
| 07-24 02:45 | 40m | - / -6 | UA3POG | -18 / - | 4 | Partial capture |
| 07-20 18:53 | 40m | -9 / - | RA6AR | -16 / - | 3 | ✓ Closing observed |
| 07-20 18:51 | 40m | -12 / - | SV9QWC | -12 / -6 | 4 | ✓ Closing observed |
| 07-20 08:59 | 10m | - / -9 | RU3GF | -11 / - | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 201645 -8 2380 R4RZ R3KFT -04 (x2) 202130 -13 2650 R4RZ <ZA/KN7L> -08 202545 -5 2202 R4RZ RC3KR RR73 202715 -15 1909 R4RZ RA1AOB KO59 (x3) 074315 -17 2463 R4RZ R3XBS -10 075430 -11 2189 R4RZ DL8WEM R+02 085900 -12 2537 R4RZ RU3GF -09 (x3) 090430 -4 2529 R4RZ R1WBJ 73 175900 -7 396 R4RZ R3LC RR73 160215 -24 1712 R4RZ A61FJ -06
UTC dB Audio Message 175045 -10 1109 R4RZ UA1AEL -06 175100 -2 393 R4RZ RA3AV -06 175115 +10 2911 R4RZ UD7G -08 175130 +5 2494 UA1AEL R4RZ R-09 175145 -11 1109 R4RZ UA1AEL RR73 175145 +7 2911 R4RZ UD7G -08 175200 +4 2493 UA1AEL R4RZ 73 175215 -1 2494 R4RZ UD7G -08 (x2) 013500 +0 2493 HI8JCD R4RZ LO55 020945 -13 1971 PY2WC R4RZ LO55 202615 -5 275 R4RZ R2ASY KO85 (x2) 210045 -4 1986 EA5KB R4RZ R-12 (x2)
UTC dB Audio Message 182145 +1 875 R4RZ UG4L LO33 182200 -4 2116 UG4L R4RZ -03 182215 +1 875 R4RZ UG4L R+10 182230 -4 2116 UG4L R4RZ RR73 182245 -4 874 R4RZ UG4L 73 182300 -4 2116 CQ R4RZ LO55 182315 -1 874 R4RZ UG4L LO33 182330 +3 2115 CQ R4RZ LO55 182345 +1 874 R4RZ UG4L LO33 182400 -2 2115 CQ R4RZ LO55 182445 -9 2117 R4RZ RZ7RCP -11 204500 -11 1726 R4RZ R5ACQ KO85 (x2) 204700 +2 1846 R4RZ SP1MGM JO73 (x2)
UTC dB Audio Message 044845 +2 1995 RG1L R4RZ -18 045230 +1 2180 VK3JMA R4RZ LO55 045815 -1 1969 VK2VAR R4RZ R-17 (x2) 045915 +3 1969 CQ R4RZ LO55 045945 -1 1969 UN7FBW R4RZ -12 (x5) 050815 -11 2014 F6JON/QRP R4RZ LO55 050915 -8 1906 6P1HTU/R R4RZ R-15 051200 -6 1905 VK4BPK R4RZ LO55 (x3)
UTC dB Audio Message 210630 -17 2250 R4RZ R6DOB R+01 210645 -18 1634 R6DOB R4RZ RR73 210700 -15 2249 R4RZ R6DOB 73 200530 +2 2169 R4RZ UA3ECJ R-08 (x2) 200630 -4 1433 R4RZ R7CD KN94 200630 -10 1309 R4RZ RA6ATZ KN96 (x2) 200700 -5 1433 R4RZ R7CD KN94 200730 -15 1309 R4RZ RA6ATZ 73 200730 -2 1434 R4RZ R7CD KN94 (x5)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.