R3LDK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R3LDK, decoded by SO8OO in southeastern Poland. 1,481 related FT8 messages, 565 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 66 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 R3LDK worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R3LDK
Approximate centre of KO64, decoded 2026-08-23 19:50 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 | R3LDK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 19:51 | 20m | - / - | OE5FIL | 0 / - | 2 | Partial capture |
| 08-23 19:50 | 20m | -17 / - | F4MZI | - / -8 | 3 | Partial capture |
| 08-23 19:46 | 80m | +4 / - | OM5JG | - / - | 3 | Partial capture |
| 08-23 19:40 | 40m | 0 / - | EC2ASL | - / -17 | 2 | ✓ Closing fragment |
| 08-23 19:37 | 40m | -5 / -5 | F1IQH | -8 / -14 | 4 | ✓ Full exchange observed |
| 08-23 19:35 | 40m | 0 / - | R0LM | - / -16 | 2 | ✓ Closing fragment |
| 08-23 19:34 | 40m | +2 / +3 | RA3M | -9 / - | 4 | ✓ Full exchange observed |
| 08-23 19:31 | 40m | 0 / - | R4HLO | - / -6 | 2 | ✓ Closing fragment |
| 08-23 07:02 | 20m | +4 / - | VK1HW | - / -16 | 10 | Partial capture |
| 08-23 06:52 | 20m | +4 / - | SP9CKS | - / -3 | 4 | ✓ Closing fragment |
| 08-23 06:47 | 20m | +8 / -11 | UB5O/P | -14 / 0 | 4 | ✓ Full exchange observed |
| 08-23 06:43 | 20m | +12 / -19 | G4TMI | -12 / -15 | 6 | ✓ Full exchange observed |
| 08-23 06:41 | 20m | +14 / -3 | RA4CEH | -12 / -9 | 4 | ✓ Full exchange observed |
| 08-23 06:33 | 20m | +16 / - | PA0MUS | - / - | 4 | ✓ Closing fragment |
| 08-23 06:29 | 20m | +4 / - | UB4CLH | -8 / -3 | 9 | ✓ Closing observed |
| 08-23 06:26 | 20m | +5 / - | RD1A | - / +8 | 3 | ✓ Closing fragment |
| 08-23 06:11 | 20m | +4 / - | EA7JHC | - / -5 | 4 | ✓ Closing fragment |
| 08-23 05:56 | 40m | -11 / - | HA3FIC | -7 / - | 2 | ✓ Closing observed |
| 08-23 05:51 | 40m | -18 / +3 | EW8KO | -2 / +3 | 6 | ✓ Full exchange observed |
| 08-23 05:48 | 40m | -16 / - | UB5O/P | - / - | 2 | Partial capture |
| 08-22 18:23 | 40m | -3 / - | MX0HFC | - / - | 5 | Partial capture |
| 08-22 18:19 | 40m | -1 / - | R2ANL | - / 0 | 3 | ✓ Closing fragment |
| 08-22 18:17 | 40m | +3 / -6 | DL2VV | -4 / -5 | 5 | ✓ Full exchange observed |
| 08-22 18:09 | 40m | -3 / - | OM2WW | - / - | 3 | Partial capture |
| 08-22 14:43 | 20m | +6 / - | IW5ALZ | - / -8 | 5 | Partial capture |
| 08-22 14:39 | 20m | +2 / -14 | PA9R | -15 / - | 2 | ✓ Closing observed |
| 08-22 14:32 | 20m | +18 / - | CT1BCP | - / - | 9 | Partial capture |
| 08-22 14:30 | 20m | +21 / - | PD0PY | - / - | 3 | Partial capture |
| 08-22 14:28 | 20m | +20 / - | R8CHY | - / - | 5 | Partial capture |
| 08-22 06:14 | 20m | +3 / - | K4A | - / -8 | 5 | Partial capture |
| 08-22 06:09 | 20m | +6 / - | 3V8HP | - / -13 | 10 | Partial capture |
| 08-20 17:35 | 20m | 0 / - | MW7GQB | - / - | 4 | Partial capture |
| 08-18 19:27 | 80m | +1 / -10 | R2UC | -12 / 0 | 5 | ✓ Full exchange observed |
| 08-18 19:25 | 80m | -4 / - | OK7BB | - / -11 | 2 | ✓ Closing fragment |
| 08-18 19:23 | 80m | +2 / - | RQ3D | - / -5 | 2 | ✓ Closing fragment |
| 08-18 19:17 | 80m | - / -13 | DG8HJ | -4 / - | 2 | ✓ Closing fragment |
| 08-18 19:15 | 80m | +1 / - | RQ3D | - / -5 | 3 | Partial capture |
| 08-18 19:12 | 80m | - / +1 | R3LCW | 0 / - | 3 | Partial capture |
| 08-18 19:11 | 80m | +1 / +9 | R2AZM | -20 / +5 | 4 | ✓ Full exchange observed |
| 08-18 18:58 | 80m | +3 / -6 | DL8NW | +4 / -3 | 6 | ✓ Full exchange observed |
| 08-18 18:55 | 80m | +3 / - | R2AX | - / +2 | 5 | ✓ Closing fragment |
| 08-18 18:53 | 80m | +1 / - | R5ACQ | +6 / - | 5 | ✓ Full exchange observed |
| 08-18 18:51 | 80m | -1 / -1 | R6ML | -2 / +1 | 6 | ✓ Full exchange observed |
| 08-18 18:50 | 80m | -4 / -5 | RA4FHO | -6 / +3 | 4 | ✓ Full exchange observed |
| 08-18 18:46 | 40m | -8 / - | OE1AVO | - / - | 2 | Partial capture |
| 08-18 18:42 | 40m | -11 / - | SP6AMI | - / - | 3 | Partial capture |
| 08-16 06:32 | 20m | -6 / - | SP7SZJ | - / -10 | 2 | ✓ Closing fragment |
| 08-16 06:28 | 20m | -5 / - | UA4FQO | - / - | 3 | Partial capture |
| 08-16 06:26 | 20m | -1 / -5 | SP1ZMO | -8 / -9 | 3 | Partial capture |
| 08-16 06:21 | 20m | -2 / -7 | UB4CKD | -12 / -4 | 6 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 070400 +7 2793 VK1HW R3LDK -16 (x6) 192715 +5 1620 R3LDK M0LHJ -04 192930 -9 2605 M0LHJ R3LDK R-09 195000 -15 1681 F4MZI R3LDK R-08 195030 -18 1681 CQ R3LDK KO64 195100 -16 1681 F4MZI R3LDK R-11 195115 +0 289 R3LDK OE5FIL JN68 195130 -21 1682 F4MZI R3LDK R-11 195145 +0 2029 R3LDK EI4JFB IO63 195145 +0 289 R3LDK OE5FIL JN68
UTC dB Audio Message 192515 -7 2149 OK7BB R3LDK -11 (x2) 192615 -3 2149 CQ R3LDK KO64 (x3) 192745 +2 2149 R2UC R3LDK KO64 (x3) 192900 -15 232 R3LDK R2UC R-10 (x2) 193015 +0 2149 CQ R3LDK KO64 (x2) 194600 +0 548 OM5JG R3LDK KO64 (x3)
UTC dB Audio Message 193345 +8 1729 R3LDK SN40KZE R+08 193415 -8 1596 R3LDK RA3M +03 193430 +2 1739 RA3M R3LDK R+15 193445 -10 1596 R3LDK RA3M RR73 193500 +2 1739 RA3M R3LDK 73 193530 -1 1739 R0LM R3LDK -16 (x2) 193730 -1 584 CQ R3LDK KO64 193745 -6 584 R3LDK F1IQH JN27 193800 -5 584 F1IQH R3LDK -14 193815 -7 584 R3LDK F1IQH R-05 (x2) 193915 +2 439 R3LDK IK4LZH JN54 194000 -1 584 EC2ASL R3LDK -17 (x2)
UTC dB Audio Message 190245 -16 2191 CQ R3LDK KO64 (x2) 190530 -20 2191 RX3PX R3LDK KO64 190545 -14 1261 R3LDK RX3PX -10 190600 -18 2191 RX3PX R3LDK R+01 190615 -9 1261 R3LDK RX3PX RR73 190630 -20 2191 RX3PX R3LDK 73 200500 -21 1995 R3LDK RA6ATZ KN96 195630 -19 2170 CQ R3LDK KO64 (x2) 195715 -10 2225 R3LDK R6ML LN17 (x2) 195800 -19 2170 R6ML R3LDK RR73 195815 -11 2225 R3LDK R6ML 73 195900 -24 2170 RA3LCI R3LDK R-06
UTC dB Audio Message 105900 -10 703 R3LDK DK4RH JO31 (x2) 110100 -24 1569 R3LDK DL8ZAD 73 110200 -9 702 R3LDK DK4RH JO31 110800 -13 703 R3LDK PD3LKN 73 111045 -2 703 CQ R3LDK KO64 (x2) 111600 -13 704 R3LDK PD2FS -19 (x8)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.