R4CR — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R4CR, decoded by SO8OO in southeastern Poland. 1,229 related FT8 messages, 729 CQ messages, observed on 40m, 20m, 10m, across 16 UTC dates. Heard between 2026-05-29 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 R4CR worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R4CR
Approximate centre of LO31, decoded 2026-08-23 16:41 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 | R4CR S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 16:41 | 40m | -12 / -10 | ON4ASV | +4 / -11 | 7 | ✓ Full exchange observed |
| 08-23 16:39 | 40m | -12 / - | UA3LNA | - / -17 | 3 | ✓ Closing fragment |
| 08-23 16:38 | 40m | - / - | ON4ASV | +3 / - | 3 | Partial capture |
| 08-23 16:33 | 40m | -13 / -3 | RA3ZGT | +13 / +6 | 4 | ✓ Full exchange observed |
| 08-23 16:30 | 40m | - / -9 | DK6WS | -12 / - | 3 | Partial capture |
| 08-23 16:30 | 40m | -11 / +1 | UA3VVA | -4 / - | 3 | ✓ Closing observed |
| 08-23 16:27 | 40m | -12 / - | UN0PA | - / -2 | 2 | ✓ Closing fragment |
| 08-23 16:21 | 40m | -15 / -5 | UC6D | 0 / - | 4 | ✓ Full exchange observed |
| 08-23 16:18 | 40m | -14 / -7 | UA3WG | -8 / -7 | 5 | ✓ Full exchange observed |
| 08-23 16:16 | 40m | -12 / -2 | RX3DQX | -6 / - | 5 | ✓ Full exchange observed |
| 08-23 16:11 | 40m | -16 / - | R5GG | - / - | 2 | ✓ Closing fragment |
| 08-23 15:58 | 40m | -19 / - | UB4HVA | - / - | 4 | ✓ Closing fragment |
| 08-23 15:57 | 40m | - / - | R6HD | -6 / - | 2 | Partial capture |
| 08-23 15:56 | 40m | -19 / +10 | R4HNW | -13 / - | 4 | ✓ Full exchange observed |
| 08-23 15:54 | 40m | -19 / - | RA3PDL | -4 / +8 | 2 | ✓ Closing observed |
| 08-23 11:58 | 20m | -12 / - | UB1ATR | - / - | 2 | Partial capture |
| 08-15 15:05 | 20m | -16 / - | RI0FA | - / -10 | 4 | Partial capture |
| 08-15 14:35 | 20m | -18 / - | RI0FA | - / -11 | 2 | Partial capture |
| 07-31 15:36 | 20m | -14 / - | <...> | - / 0 | 2 | Partial capture |
| 07-26 13:08 | 20m | -12 / - | 9M8DEN | - / -12 | 2 | Partial capture |
| 07-26 12:01 | 20m | -16 / - | RU3U | - / -12 | 2 | ✓ Closing fragment |
| 07-23 19:10 | 20m | -16 / - | <...> | - / -13 | 2 | Partial capture |
| 07-22 16:23 | 10m | -16 / - | OA4YX | - / -18 | 2 | Partial capture |
| 07-19 17:15 | 20m | -5 / - | 3W9A | - / -11 | 2 | Partial capture |
| 07-11 18:01 | 40m | -14 / - | R4SCB | -16 / -3 | 3 | ✓ Closing observed |
| 06-29 06:53 | 10m | - / -4 | R6DYK | -14 / - | 2 | Partial capture |
| 06-29 06:48 | 10m | -23 / -13 | TM2WWA | +6 / - | 3 | ✓ Closing observed |
| 06-29 06:46 | 10m | - / -4 | RA3FH | -7 / - | 4 | ✓ Closing fragment |
| 06-29 06:42 | 10m | - / -15 | RQ7O | -2 / - | 4 | ✓ Closing fragment |
| 06-29 06:39 | 10m | - / -3 | TM2WWA | +9 / - | 3 | Partial capture |
| 06-29 06:36 | 10m | -17 / - | RZ3DZ | -24 / - | 3 | ✓ Closing observed |
| 06-27 11:19 | 10m | - / -11 | PD0HLA | 0 / - | 2 | Partial capture |
| 06-27 08:33 | 10m | -18 / - | F1ICS | - / -12 | 2 | ✓ Closing fragment |
| 06-27 08:27 | 10m | -18 / - | SP5CR | - / -3 | 2 | ✓ Closing fragment |
| 06-27 08:27 | 10m | - / - | OZ2BMN | -14 / - | 6 | Partial capture |
| 06-27 08:25 | 10m | -18 / - | SP6M | - / +3 | 2 | ✓ Closing fragment |
| 06-27 08:19 | 10m | -19 / - | R1TM | - / - | 4 | Partial capture |
| 06-27 00:38 | 40m | -12 / - | OA4ENG | - / -15 | 2 | Partial capture |
| 06-26 11:11 | 10m | -10 / - | RU1AB | - / +3 | 2 | ✓ Closing fragment |
| 06-26 11:09 | 10m | -13 / - | RA3LCX | -14 / +2 | 2 | Partial capture |
| 06-26 11:06 | 10m | -15 / +5 | UA6EED | -2 / - | 3 | ✓ Closing observed |
| 06-26 10:43 | 10m | -10 / +10 | R3WF | -1 / +4 | 3 | ✓ Full exchange observed |
| 06-26 10:26 | 10m | -13 / -11 | RK6DZ | -16 / -13 | 12 | ✓ Full exchange observed |
| 06-26 10:23 | 10m | -16 / -8 | RZ1AS | -8 / -5 | 4 | ✓ Full exchange observed |
| 06-26 10:18 | 10m | -16 / -10 | DK5CW | -19 / -11 | 5 | ✓ Full exchange observed |
| 06-26 10:13 | 10m | -12 / - | R1CF | - / 0 | 2 | ✓ Closing fragment |
| 06-26 10:10 | 10m | - / -14 | ON1JP | -15 / - | 3 | Partial capture |
| 06-26 10:09 | 10m | -12 / - | RA1N | - / -12 | 2 | ✓ Closing fragment |
| 06-26 10:06 | 10m | -12 / - | G6KHW | - / -20 | 3 | ✓ Closing fragment |
| 06-26 10:04 | 10m | -9 / - | RC9WC | - / -1 | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 163900 +3 1844 R4CR ON4ASV JO11 163915 -14 1844 CQ R4CR LO31 163945 -9 1844 UA3LNA R4CR -17 (x3) 164115 -11 1844 CQ R4CR LO31 164130 +4 1844 R4CR ON4ASV JO11 164145 -9 1844 CQ R4CR LO31 164200 +4 1844 R4CR ON4ASV JO11 164215 -14 1844 ON4ASV R4CR -11 164230 +6 1843 R4CR ON4ASV R-10 164245 -8 1844 ON4ASV R4CR RR73 164300 +4 1843 R4CR ON4ASV 73 164345 -13 1843 UB4HPQ R4CR RR73 164445 -13 1843 ON4ASV R4CR -11
UTC dB Audio Message 120100 -14 2077 RU3U R4CR -12 (x2) 130800 -12 2068 9M8DEN R4CR -12 (x2) 153600 -14 1439 <...> R4CR +00 (x2) 143545 -22 2099 RI0FA R4CR -11 (x6) 141315 -21 1317 RW3C/P R4CR +12 115830 -12 1615 UB1ATR R4CR LO31 (x2)
UTC dB Audio Message 064600 -21 1952 R4CR UB3DLM 73 064600 -6 2594 R4CR RA3FH KO84 064615 -18 1953 CQ R4CR LO31 064630 -9 2593 R4CR RA3FH KO84 (x3) 064800 +9 2751 R4CR TM2WWA -13 (x2) 064845 -23 1951 TM2WWA R4CR 73 064945 -21 1950 R2PJ R4CR R-12 065215 -11 1950 R1ZH R4CR -08 065330 -14 2185 R4CR R6DYK -04 (x2) 162315 -17 2093 OA4YX R4CR -18 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.