UB1CDJ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving UB1CDJ, decoded by SO8OO in southeastern Poland. 749 related FT8 messages, 484 CQ messages, observed on 40m, 20m, 10m, across 5 UTC dates. Heard between 2026-04-24 and 2026-07-21.
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 UB1CDJ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by UB1CDJ
Approximate centre of KO69, decoded 2026-07-21 18:39 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 | UB1CDJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-21 18:21 | 40m | -12 / -1 | RU3QR | -16 / -10 | 4 | ✓ Full exchange observed |
| 07-21 18:13 | 40m | -18 / - | SV2AJX | - / -21 | 2 | ✓ Closing fragment |
| 07-21 18:08 | 40m | -16 / - | BH4GUO | - / -22 | 3 | Partial capture |
| 07-21 17:43 | 40m | -17 / -14 | DL9NO | -15 / -8 | 4 | ✓ Full exchange observed |
| 07-21 17:12 | 40m | - / +9 | E70SZ | -16 / - | 2 | Partial capture |
| 07-21 16:59 | 40m | - / +10 | UA3PAB | -12 / - | 2 | Partial capture |
| 07-21 16:57 | 40m | - / +10 | R3LDK | -12 / - | 3 | ✓ Closing fragment |
| 07-21 16:55 | 40m | - / -7 | RK6MC | -19 / - | 3 | ✓ Closing fragment |
| 07-21 16:43 | 40m | - / - | SP5MIG | -18 / - | 2 | Partial capture |
| 07-21 16:36 | 40m | - / -10 | DL2KBQ | -13 / - | 3 | ✓ Closing fragment |
| 07-21 16:12 | 40m | - / -6 | S59A | -4 / - | 2 | ✓ Closing fragment |
| 07-21 15:25 | 40m | - / -9 | DL1RTS | -10 / - | 5 | ✓ Closing fragment |
| 07-21 14:09 | 20m | - / - | HA7JLR | -8 / - | 2 | Partial capture |
| 07-21 13:43 | 20m | - / - | F4HSB | -21 / - | 2 | ✓ Closing fragment |
| 07-21 13:34 | 20m | - / -14 | IZ3LSZ | -3 / - | 4 | ✓ Closing fragment |
| 07-21 13:31 | 20m | - / -7 | IU5TPM | -16 / - | 2 | ✓ Closing fragment |
| 07-21 12:23 | 10m | - / - | RN6MA | -16 / - | 2 | ✓ Closing fragment |
| 07-21 12:07 | 20m | - / -7 | R6LQU | -10 / - | 2 | ✓ Closing fragment |
| 07-21 12:03 | 20m | -11 / - | LA1HW | - / 0 | 2 | ✓ Closing fragment |
| 07-21 12:00 | 20m | -11 / - | RZ4AT | - / -1 | 3 | ✓ Closing fragment |
| 07-21 11:58 | 20m | -15 / - | RC9YG | - / -15 | 3 | Partial capture |
| 07-21 11:57 | 20m | - / -4 | M8FPH | -18 / - | 4 | Partial capture |
| 07-21 11:53 | 20m | -8 / -3 | RD7LC | -4 / 0 | 3 | ✓ Full exchange observed |
| 07-21 11:49 | 20m | -17 / -7 | RA6OD | -16 / +2 | 3 | ✓ Full exchange observed |
| 07-21 11:47 | 20m | -10 / -15 | DG5PW | -22 / - | 3 | ✓ Closing observed |
| 07-21 11:33 | 20m | -16 / - | DM7XK | - / -9 | 2 | ✓ Closing fragment |
| 07-21 11:27 | 20m | - / +4 | S59A | +6 / - | 2 | ✓ Closing fragment |
| 07-21 11:19 | 20m | - / - | IV3JER | -6 / - | 2 | ✓ Closing fragment |
| 07-21 11:08 | 20m | - / -4 | SP1ZMO | -10 / - | 3 | Partial capture |
| 07-21 10:53 | 20m | - / - | N1NK | -16 / - | 2 | Partial capture |
| 07-21 10:52 | 20m | - / -4 | 9A3K | +11 / - | 3 | ✓ Closing fragment |
| 06-27 13:06 | 20m | - / - | S51JY | -2 / - | 3 | Partial capture |
| 06-27 12:32 | 20m | - / - | DL1R | -10 / - | 6 | Partial capture |
| 06-27 10:33 | 10m | - / -10 | IR0RCAG | -8 / - | 2 | Partial capture |
| 06-27 09:42 | 10m | - / -2 | LX1NO | -5 / - | 5 | Partial capture |
| 05-29 18:36 | 20m | - / - | EB5AL | -4 / - | 2 | Partial capture |
| 05-29 16:03 | 40m | -9 / -13 | HF30PMW | -3 / -13 | 2 | Partial capture |
| 05-29 16:02 | 40m | -10 / -7 | IZ4OUL | -14 / -21 | 9 | ✓ Full exchange observed |
| 05-29 16:00 | 40m | -8 / - | R4HLO | - / -2 | 3 | ✓ Closing fragment |
| 05-29 15:55 | 40m | -9 / - | EI6JMB | - / -20 | 2 | Partial capture |
| 05-29 15:53 | 40m | -7 / - | YD6HMM | - / -8 | 5 | ✓ Closing fragment |
| 05-29 15:48 | 40m | -2 / 0 | RW6HPS | -22 / -3 | 3 | ✓ Full exchange observed |
| 05-29 15:32 | 40m | -8 / - | SQ9DKS | - / -6 | 2 | ✓ Closing fragment |
| 05-29 15:32 | 40m | -8 / - | EU4ABJ | -1 / -15 | 5 | Partial capture |
| 05-29 15:26 | 40m | -11 / - | UW5ESX | - / -10 | 3 | Partial capture |
| 05-29 15:25 | 40m | -11 / -2 | RA6FCU | -3 / +5 | 3 | ✓ Full exchange observed |
| 05-29 15:16 | 40m | -10 / -15 | DL2NBC | -15 / -13 | 9 | ✓ Full exchange observed |
| 05-29 15:14 | 40m | -10 / - | RW3SB | - / +2 | 2 | ✓ Closing fragment |
| 05-29 15:12 | 40m | -8 / -5 | DL3LBK | -9 / -9 | 5 | ✓ Full exchange observed |
| 05-29 15:11 | 40m | -10 / -4 | DG3FFM | -12 / -9 | 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 182100 -15 1387 UB1CDJ RU3QR -01 182115 -12 1242 RU3QR UB1CDJ R-10 182130 -16 1388 UB1CDJ RU3QR RR73 182145 -12 1242 RU3QR UB1CDJ 73 182315 -16 1242 CQ UB1CDJ KO69 182615 -18 1242 JA3VXM UB1CDJ -22 183030 -12 1241 UB1CDJ R4FV RR73 183445 -16 1241 CQ UB1CDJ KO69 183530 -2 2972 UB1CDJ R2ASV +05 183545 -16 1241 CQ UB1CDJ KO69 (x6)
UTC dB Audio Message 120700 -13 1284 UB1CDJ R6LQU R-07 (x2) 120945 -18 1285 CQ UB1CDJ KO69 a1 132200 -24 1287 UB1CDJ ON5WU R-08 133130 -16 1285 UB1CDJ IU5TPM R-07 (x2) 133400 -3 344 UB1CDJ IZ3LSZ JN65 (x4) 134330 -19 1732 UB1CDJ F4HSB JN37 134400 -15 1075 UB1CDJ 9A5AGN JN75 134430 -23 1732 UB1CDJ F4HSB 73 140900 -11 1554 UB1CDJ HA7JLR JN97 (x2)
UTC dB Audio Message 093900 -11 806 UB1CDJ SM4TIW JO79 094230 -3 1827 UB1CDJ LX1NO JN39 (x5) 094815 -23 1307 CQ UB1CDJ KO69 095115 -24 1305 UA4FKT UB1CDJ -08 095945 -21 1304 RA3PN UB1CDJ -04 101715 -21 1308 RM8L UB1CDJ RR73 103300 -4 1310 UB1CDJ IR0RCAG -10 (x2) 122300 -16 1310 UB1CDJ RN6MA +15 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.