JA9CWJ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving JA9CWJ, decoded by SO8OO in southeastern Poland. 281 related FT8 messages, observed on 40m, 20m, 10m, across 42 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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
Frequent QSO partners observed at SO8OO
Stations JA9CWJ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by JA9CWJ
Approximate centre of PM86, decoded 2026-08-23 21:10 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 | JA9CWJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 21:09 | 20m | -8 / - | OZ7CL | - / - | 2 | Partial capture |
| 08-23 21:05 | 20m | - / - | SP2VTN | -8 / - | 2 | Partial capture |
| 08-23 16:57 | 20m | -13 / - | ON8BZ | - / -1 | 2 | Partial capture |
| 08-23 16:55 | 20m | - / -21 | YC9GBQ | -3 / - | 4 | ✓ Closing fragment |
| 08-23 16:51 | 20m | -16 / - | II7MGLE | - / - | 4 | Partial capture |
| 08-21 20:12 | 40m | - / -19 | IK1JUS | -8 / - | 4 | ✓ Closing fragment |
| 08-21 20:10 | 40m | - / -12 | SP6JIU | +15 / - | 3 | ✓ Closing fragment |
| 08-21 20:09 | 40m | - / -14 | ON4IQ | +12 / - | 3 | ✓ Closing fragment |
| 08-20 21:01 | 20m | - / -16 | EA5JLN | -7 / - | 3 | ✓ Closing fragment |
| 08-18 18:59 | 40m | - / -13 | SP6JIU | +12 / - | 2 | ✓ Closing fragment |
| 08-16 21:29 | 20m | - / - | EA8ACW | -2 / - | 3 | Partial capture |
| 08-14 20:33 | 40m | - / -17 | UT4VL | -17 / - | 2 | ✓ Closing fragment |
| 08-14 20:32 | 40m | - / -13 | UT5ZC | -2 / - | 2 | ✓ Closing fragment |
| 08-12 21:00 | 20m | - / -14 | ON7NQ | +4 / - | 6 | ✓ Closing fragment |
| 08-12 20:59 | 20m | - / - | F5IXN | -11 / - | 3 | Partial capture |
| 08-11 21:55 | 20m | - / -17 | CR5VP | -12 / - | 2 | Partial capture |
| 08-11 20:28 | 40m | - / -14 | RA1QEA | -8 / - | 4 | ✓ Closing fragment |
| 08-11 20:12 | 40m | - / -11 | F5LOW | -14 / - | 2 | ✓ Closing fragment |
| 08-05 21:24 | 20m | - / -17 | M7TUP | -10 / - | 2 | ✓ Closing fragment |
| 08-02 09:42 | 10m | - / -15 | EA8UP | -4 / - | 2 | ✓ Closing fragment |
| 07-30 20:57 | 20m | - / -13 | PD0U | -3 / - | 2 | ✓ Closing fragment |
| 07-30 20:51 | 20m | - / -16 | IZ2EID | -4 / - | 2 | ✓ Closing fragment |
| 07-30 20:46 | 20m | - / -13 | PA3FQX | 0 / - | 2 | ✓ Closing fragment |
| 07-30 20:43 | 20m | - / -10 | DL6MRM | -10 / - | 4 | Partial capture |
| 07-20 18:40 | 20m | - / -22 | <...> | -12 / - | 2 | Partial capture |
| 07-19 20:58 | 20m | - / -20 | F4MUD | -12 / - | 2 | Partial capture |
| 07-19 20:50 | 20m | - / -1 | R4FDW | -9 / - | 9 | ✓ Closing fragment |
| 07-18 21:21 | 20m | - / -20 | <...> | -9 / - | 3 | Partial capture |
| 07-18 21:14 | 20m | - / -11 | OK1VM | -13 / - | 4 | ✓ Closing fragment |
| 07-18 21:04 | 20m | - / - | PD2JAM | -11 / - | 2 | Partial capture |
| 07-18 21:04 | 20m | - / - | F4BJN | -10 / - | 2 | Partial capture |
| 07-18 21:03 | 20m | - / - | IW9HPG | +4 / - | 2 | Partial capture |
| 07-18 21:02 | 20m | - / -10 | R3MAR | -4 / - | 3 | Partial capture |
| 07-18 20:56 | 20m | - / -19 | R3MAR | -4 / - | 6 | Partial capture |
| 07-18 20:47 | 20m | - / -14 | F4LUK | 0 / - | 2 | Partial capture |
| 07-18 20:46 | 20m | - / - | DK1MCS | 0 / - | 5 | Partial capture |
| 07-17 21:01 | 20m | - / -14 | G0CER | -6 / - | 5 | Partial capture |
| 07-17 17:13 | 40m | - / -19 | UB6OFG | -18 / - | 3 | Partial capture |
| 07-16 18:01 | 20m | - / -20 | PD0WL | -21 / - | 2 | ✓ Closing fragment |
| 07-16 17:43 | 20m | - / -9 | CN2DX | -12 / - | 2 | ✓ Closing fragment |
| 07-16 17:32 | 20m | - / -17 | M9TAM | -7 / - | 3 | ✓ Closing fragment |
| 07-16 17:23 | 20m | - / - | PD1ADA | -21 / - | 2 | Partial capture |
| 07-16 17:19 | 20m | - / -10 | EA3IJA | -6 / - | 3 | ✓ Closing fragment |
| 07-12 20:50 | 20m | - / +4 | DL6EL | -5 / - | 3 | ✓ Closing fragment |
| 07-07 21:03 | 20m | - / -15 | DK9UD | -16 / - | 3 | Partial capture |
| 07-07 20:57 | 20m | - / -17 | A61QQ | -10 / - | 2 | ✓ Closing fragment |
| 07-07 20:47 | 20m | - / -22 | 9A6A | -5 / - | 3 | Partial capture |
| 07-07 20:14 | 40m | - / -24 | I4JED | +2 / - | 2 | Partial capture |
| 07-06 22:18 | 20m | - / -23 | W4DXM | -15 / - | 2 | Partial capture |
| 07-06 22:03 | 20m | - / -13 | ON6PL | -1 / - | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 165300 -17 1334 II7MGLE JA9CWJ PM86 165400 -13 1333 RA0QK/8 JA9CWJ R-07 165515 -4 2539 JA9CWJ YC9GBQ OI81 (x4) 165700 -11 1334 ON8BZ JA9CWJ R-01 (x2) 170000 -13 1334 RA0QK/8 JA9CWJ PM86 170800 -14 1575 PD8HUB JA9CWJ R-09 210530 -7 2304 JA9CWJ SP2VTN JO94 (x2) 210830 +6 2279 JA9CWJ ON5GQ RR73 210915 -8 741 OZ7CL JA9CWJ PM86 (x2)
UTC dB Audio Message 203400 -17 2279 JA9CWJ UT4VL RR73 185930 +11 2951 JA9CWJ SP6JIU -13 (x2) 200915 +12 2089 JA9CWJ ON4IQ JO20 (x2) 201015 +6 2739 JA9CWJ DL3OCF -14 201015 +13 2089 JA9CWJ ON4IQ 73 201015 +14 2915 JA9CWJ SP6JIU JO80 (x3) 201145 -3 544 JA9CWJ AO25FDM -13 201245 -5 1983 JA9CWJ IK1JUS JN35 (x4)
UTC dB Audio Message 100115 -11 466 JA9CWJ ZS6MGM -09 100900 +13 409 JA9CWJ 5H1KB -06 (x2) 214845 -18 1245 JA9CWJ TM8WWA RRR 215915 -21 1995 JA9CWJ IK1LRX JN34 (x2) 094245 -3 1781 JA9CWJ EA8UP -15 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.