R3MDJ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R3MDJ, decoded by SO8OO in southeastern Poland. 323 related FT8 messages, 51 CQ messages, observed on 80m, 40m, 20m, 10m, across 42 UTC dates. Heard between 2026-05-19 and 2026-08-16.
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 R3MDJ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R3MDJ
Approximate centre of KO97, decoded 2026-08-16 16:17 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 | R3MDJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-16 15:58 | 20m | - / +2 | DL3LBK | -10 / - | 3 | ✓ Closing fragment |
| 08-16 15:51 | 20m | - / -3 | RV9CX | -13 / - | 2 | ✓ Closing fragment |
| 08-14 09:26 | 20m | -20 / - | T77RN | - / - | 2 | Partial capture |
| 08-14 08:48 | 20m | - / -6 | IK4LZH | +2 / - | 5 | ✓ Closing fragment |
| 08-11 06:07 | 10m | - / -11 | RT6Z | -20 / - | 2 | ✓ Closing fragment |
| 08-11 05:58 | 10m | - / -3 | R6OIZ | -8 / - | 2 | ✓ Closing fragment |
| 08-08 08:33 | 10m | - / +2 | RN6LBT | -4 / - | 2 | ✓ Closing fragment |
| 08-08 07:56 | 10m | - / -11 | UA7T | -14 / - | 2 | ✓ Closing fragment |
| 08-08 07:44 | 10m | - / +4 | RN6MA | -14 / - | 2 | ✓ Closing fragment |
| 08-04 13:24 | 20m | - / - | PD3LKN | -24 / - | 2 | Partial capture |
| 07-24 14:31 | 10m | - / -6 | DL1DXX | -11 / - | 5 | ✓ Closing fragment |
| 07-23 07:36 | 10m | - / -4 | IK4LZH | +10 / - | 5 | ✓ Closing fragment |
| 07-23 07:17 | 10m | - / 0 | UA3LNM | -18 / - | 2 | Partial capture |
| 07-23 06:53 | 10m | - / - | RZ6L | -8 / - | 2 | Partial capture |
| 07-22 10:13 | 10m | - / -18 | S55A | -18 / - | 2 | Partial capture |
| 07-22 07:38 | 20m | - / -17 | RU3QR | -22 / - | 2 | ✓ Closing fragment |
| 07-22 07:22 | 10m | - / - | IK1JUS | -12 / - | 2 | Partial capture |
| 07-14 10:41 | 20m | - / -9 | LZ4VR | -21 / - | 4 | ✓ Closing fragment |
| 07-14 10:39 | 20m | - / -4 | RA6OV | -16 / - | 2 | ✓ Closing fragment |
| 07-08 12:02 | 20m | - / +4 | R3EDI | -17 / - | 3 | ✓ Closing fragment |
| 07-07 05:03 | 20m | - / -9 | UA3RAU | -12 / - | 3 | ✓ Closing fragment |
| 07-02 15:55 | 40m | - / -8 | RA3ZOM | -18 / - | 2 | ✓ Closing fragment |
| 06-30 05:52 | 20m | -15 / -10 | R9WEI | -17 / 0 | 6 | ✓ Full exchange observed |
| 06-30 05:48 | 20m | -12 / +7 | G3TKT | -13 / -6 | 5 | ✓ Full exchange observed |
| 06-30 05:47 | 20m | -14 / -4 | K2TQC | -17 / +4 | 4 | ✓ Full exchange observed |
| 06-30 05:42 | 20m | - / - | RK4UZ | -16 / - | 2 | ✓ Closing fragment |
| 06-29 12:22 | 10m | - / -10 | UB6OCP | -22 / - | 2 | ✓ Closing fragment |
| 06-29 08:22 | 10m | - / - | RA3ZDU | -1 / - | 2 | ✓ Closing fragment |
| 06-29 08:03 | 10m | - / -4 | R5KH | -9 / - | 2 | ✓ Closing fragment |
| 06-29 07:43 | 10m | - / -10 | R6KA | +11 / - | 3 | ✓ Closing fragment |
| 06-29 07:42 | 10m | - / -11 | F4FSY | -9 / - | 3 | ✓ Closing fragment |
| 06-24 15:37 | 20m | - / - | CT3MD | -5 / - | 3 | Partial capture |
| 06-22 19:07 | 80m | - / -5 | RY4D | -5 / - | 3 | ✓ Closing fragment |
| 06-22 16:12 | 40m | - / -10 | S58N | -8 / - | 3 | ✓ Closing fragment |
| 06-21 08:56 | 10m | - / +3 | RK4FD | -10 / - | 2 | Partial capture |
| 06-20 05:47 | 20m | -1 / -9 | R1IO | -12 / -13 | 6 | ✓ Full exchange observed |
| 06-18 17:23 | 40m | - / - | PE1NPS | -6 / - | 4 | Partial capture |
| 06-18 17:20 | 40m | -18 / - | RM4N | - / -3 | 4 | ✓ Closing fragment |
| 06-18 17:12 | 40m | - / -14 | UA3WG | -14 / - | 2 | ✓ Closing fragment |
| 06-14 09:08 | 20m | -21 / -6 | F5NIB | -7 / - | 4 | ✓ Closing observed |
| 06-14 09:03 | 20m | -18 / - | <...> | - / -21 | 2 | Partial capture |
| 06-11 16:51 | 40m | - / -11 | UB6YCY | -4 / - | 2 | ✓ Closing fragment |
| 06-11 15:57 | 20m | - / -12 | R3KCW | +2 / - | 5 | Partial capture |
| 06-11 15:47 | 20m | - / -8 | RW7M | -3 / - | 2 | ✓ Closing fragment |
| 06-11 10:53 | 20m | -6 / - | UI6O | -8 / -14 | 3 | ✓ Closing observed |
| 06-11 10:47 | 20m | +1 / - | HB10GBT | - / -14 | 3 | Partial capture |
| 06-10 16:25 | 20m | - / - | RZ6CO | -16 / - | 2 | Partial capture |
| 06-10 16:13 | 20m | -10 / - | UA1AOF | - / - | 2 | Partial capture |
| 06-10 16:10 | 20m | -9 / - | RG1L | - / -10 | 4 | ✓ Closing fragment |
| 06-10 16:09 | 20m | - / -13 | R4FDW | -14 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 173615 -20 1289 <...> R3MDJ KO97 (x2) 175115 -23 1289 CQ R3MDJ KO97 a1 053430 -18 1043 R3MDJ R3LDM -07 161215 -20 1289 <...> R3MDJ KO97 161215 -10 1703 R3MDJ S58N -10 (x3) 161545 -20 1286 R3MDJ DL2KBQ JO30 163400 -22 1916 R3MDJ RU3X R-06 050300 -15 1233 R3MDJ SP1EG -10 155530 -19 1874 R3MDJ RA3ZOM -08 (x2) 161730 -23 1290 CQ R3MDJ KO97 162345 -21 1965 R3MDJ R2ZCA RR73
UTC dB Audio Message 062130 -15 1967 R3MDJ UF4S/6 -16 084815 +5 463 R3MDJ IK4LZH JN54 (x5) 092445 -17 1328 CQ R3MDJ KO97 (x2) 092645 -21 1381 T77RN R3MDJ KO97 (x2) 155145 -14 2153 R3MDJ RV9CX -03 (x2) 155845 -9 1027 R3MDJ DL3LBK JO54 (x3)
UTC dB Audio Message 143200 -12 1263 R3MDJ DL1DXX RR73 (x3) 084800 -21 1287 R3MDJ R6DOP R-15 074415 -17 1292 R3MDJ RN6MA +04 (x2) 075600 -12 2238 R3MDJ UA7T R-11 (x2) 083345 -1 550 R3MDJ RN6LBT +02 (x2) 054815 -17 2098 R3MDJ RX6LG RR73 055830 -9 2248 R3MDJ R6OIZ -03 (x2) 060730 -20 1613 R3MDJ RT6Z -11 (x2)
UTC dB Audio Message 172245 -24 1379 R3MDJ RA6BL KN95 190700 -5 1176 R3MDJ RY4D -05 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.