RJ5Z — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RJ5Z, decoded by SO8OO in southeastern Poland. 155 related FT8 messages, 21 CQ messages, observed on 40m, 20m, 10m, across 12 UTC dates. Heard between 2026-05-10 and 2026-07-26.
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 RJ5Z worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by RJ5Z
Approximate centre of KO80, decoded 2026-07-18 06:54 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 | RJ5Z S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-18 06:53 | 20m | -14 / - | E74K | - / - | 2 | Partial capture |
| 07-18 06:48 | 20m | -17 / - | R6DOB | - / +4 | 2 | ✓ Closing fragment |
| 07-18 06:46 | 20m | -16 / - | R4HBC | - / -15 | 2 | Partial capture |
| 07-18 06:26 | 20m | - / - | DL1R | +6 / - | 4 | Partial capture |
| 07-18 06:26 | 20m | - / -1 | YL3AKH | -12 / - | 3 | Partial capture |
| 07-18 06:24 | 20m | - / -21 | PA3EVY | -2 / - | 6 | Partial capture |
| 07-18 06:24 | 20m | -14 / 0 | SP4MPH | -6 / -7 | 4 | ✓ Full exchange observed |
| 07-18 06:22 | 20m | -12 / - | RA1ALA | - / -16 | 2 | Partial capture |
| 07-18 06:11 | 20m | -14 / -4 | EW1MN | -2 / -8 | 5 | ✓ Full exchange observed |
| 07-18 06:08 | 20m | -16 / - | <...> | - / +7 | 3 | Partial capture |
| 07-18 05:02 | 40m | - / - | LZ2XF | -20 / - | 2 | Partial capture |
| 07-11 05:25 | 20m | -23 / - | RA8AF | - / -8 | 2 | Partial capture |
| 07-11 05:23 | 20m | -24 / - | S59A | - / +2 | 2 | ✓ Closing fragment |
| 07-11 05:22 | 20m | - / -5 | EC3A | -9 / - | 3 | Partial capture |
| 07-11 05:13 | 40m | - / - | DL6UM | -9 / - | 6 | Partial capture |
| 07-11 05:08 | 40m | - / -8 | YO4NT | 0 / - | 2 | ✓ Closing fragment |
| 07-09 06:31 | 20m | - / - | ON4KBU | -18 / - | 3 | Partial capture |
| 07-09 06:11 | 20m | -14 / - | RA6HN | - / -13 | 3 | ✓ Closing fragment |
| 07-09 05:57 | 10m | - / -7 | R6TA | -7 / - | 3 | ✓ Closing fragment |
| 07-05 05:08 | 20m | - / -14 | UA6JQ | -2 / - | 3 | ✓ Closing fragment |
| 06-28 06:36 | 20m | -14 / - | RA6AVP | - / -3 | 2 | Partial capture |
| 06-28 06:32 | 20m | -17 / -3 | RA5AK | -8 / +6 | 3 | ✓ Full exchange observed |
| 06-28 06:30 | 20m | -22 / - | SQ3PMX | - / -17 | 2 | Partial capture |
| 06-28 06:28 | 20m | - / -14 | DL9MY | -7 / - | 2 | ✓ Closing fragment |
| 06-28 06:21 | 20m | - / - | DL1R | -8 / - | 7 | Partial capture |
| 06-28 06:07 | 20m | - / +5 | R2BK | -8 / - | 2 | ✓ Closing fragment |
| 06-28 05:58 | 40m | - / - | EW4DX | -5 / - | 7 | Partial capture |
| 06-27 05:25 | 20m | -10 / - | RW4HUD | - / -13 | 2 | ✓ Closing fragment |
| 06-21 06:09 | 40m | - / - | SP5EXA | +2 / - | 2 | Partial capture |
| 06-21 05:57 | 20m | - / -9 | UB4HVA | -21 / - | 3 | ✓ Closing fragment |
| 06-20 08:11 | 20m | -11 / - | R3BV | -5 / - | 2 | ✓ Closing observed |
| 06-20 08:09 | 20m | -16 / -6 | RA7Z | -12 / -17 | 4 | Partial capture |
| 06-20 08:07 | 20m | -9 / +7 | R4FDW | -20 / -5 | 4 | ✓ Full exchange observed |
| 06-20 08:07 | 20m | -5 / -13 | RG1L | -14 / -16 | 7 | ✓ Full exchange observed |
| 06-20 08:05 | 20m | +1 / - | Z62NS | - / -4 | 3 | ✓ Closing fragment |
| 06-20 07:55 | 20m | - / +1 | R7BN | -3 / - | 2 | ✓ Closing fragment |
| 06-20 07:45 | 20m | -2 / -3 | R3DJN | -7 / -4 | 3 | ✓ Full exchange observed |
| 06-20 07:44 | 20m | -2 / - | A92AE | - / -11 | 2 | ✓ Closing fragment |
| 06-20 07:41 | 20m | -4 / -6 | PD2WL | -5 / - | 6 | ✓ Closing observed |
| 06-20 07:41 | 20m | 0 / -14 | UA3LRN | +4 / -19 | 8 | ✓ Full exchange observed |
| 06-20 07:39 | 20m | +5 / - | PD1HPB | -11 / -19 | 2 | ✓ Closing observed |
| 06-20 07:39 | 20m | - / - | F1POK | -10 / - | 2 | Partial capture |
| 06-20 07:38 | 20m | 0 / - | RA3VMK | - / -10 | 2 | ✓ Closing fragment |
| 06-20 07:36 | 20m | 0 / +10 | RC6AA | -17 / -6 | 3 | ✓ Full exchange observed |
| 06-20 07:34 | 20m | -2 / - | RZ4FWA | - / -13 | 2 | ✓ Closing fragment |
| 06-07 07:01 | 20m | -14 / - | R6DZR | -13 / -1 | 6 | ✓ Closing observed |
| 06-07 06:59 | 20m | -2 / - | UA9LKL | - / -16 | 3 | Partial capture |
| 06-07 06:57 | 20m | -2 / - | R2FDU | - / - | 3 | ✓ Closing fragment |
| 06-07 06:56 | 20m | -5 / - | R9CA | - / -21 | 2 | ✓ Closing fragment |
| 06-07 06:53 | 20m | +2 / - | <...> | - / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 060345 -5 694 RJ5Z EW4DX KO23 050800 -1 398 RJ5Z YO4NT -08 (x2) 051345 -4 585 RJ5Z DL6UM JO60 (x6) 050215 -16 1789 RJ5Z LZ2XF KN33 (x2) 050930 -18 1126 RJ5Z RC6OD -03 052845 -17 1435 RJ5Z SN1A -15 (x3)
UTC dB Audio Message 062700 +8 2720 RJ5Z DL1R JN58 062700 -16 945 RJ5Z YL3AKH -01 062730 -4 589 RJ5Z PA3EVY JO11 062730 +10 2720 RJ5Z DL1R JN58 (x2) 062930 -11 590 RJ5Z PA3EVY R-21 063200 -22 1324 RJ5Z YO4BEW KN35 064630 -14 1239 R4HBC RJ5Z KO80 (x2) 064800 -13 1238 RX3ASQ RJ5Z KO80 064830 -16 1238 R6DOB RJ5Z +04 (x2) 065345 -12 891 E74K RJ5Z KO80 (x2) 065645 -13 892 RN6LBT RJ5Z R+13
UTC dB Audio Message 054630 -24 1604 OH3OJ RJ5Z 73 060115 -21 1496 CQ RJ5Z KO80 055715 -8 633 RJ5Z R6TA LN13 (x3) 055930 -3 2784 RJ5Z UA6EED RR73
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.