F4JJS — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving F4JJS, decoded by SO8OO in southeastern Poland. 268 related FT8 messages, 60 CQ messages, observed on 80m, 40m, 20m, 10m, across 21 UTC dates. Heard between 2026-05-23 and 2026-08-21.
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 F4JJS worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by F4JJS
Approximate centre of JN19, decoded 2026-08-21 14:54 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 | F4JJS S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-21 15:27 | 20m | +12 / - | <...> | - / -16 | 2 | Partial capture |
| 08-21 15:23 | 20m | +11 / 0 | T77RN | +4 / -8 | 7 | ✓ Full exchange observed |
| 08-21 15:19 | 20m | +5 / - | <...> | - / -15 | 5 | Partial capture |
| 08-21 14:53 | 10m | -7 / - | EW8W | - / - | 3 | Partial capture |
| 08-21 14:29 | 10m | 0 / - | IK4LZH | - / -23 | 4 | ✓ Closing fragment |
| 08-21 14:27 | 10m | +3 / -7 | F1ODM | +2 / -13 | 6 | ✓ Full exchange observed |
| 08-21 14:25 | 10m | 0 / 0 | DG4AZ | -9 / - | 9 | Partial capture |
| 08-21 14:21 | 10m | +2 / - | US5ZFT | - / - | 4 | Partial capture |
| 08-21 14:20 | 10m | -1 / - | OK2URE | - / - | 3 | ✓ Closing fragment |
| 08-21 14:18 | 10m | +4 / - | DH4ST | - / - | 3 | ✓ Closing fragment |
| 08-21 14:17 | 10m | +2 / - | SP9ENV | - / +10 | 3 | ✓ Closing fragment |
| 08-21 14:15 | 10m | 0 / - | YO4GIY | - / -13 | 3 | ✓ Closing fragment |
| 08-21 14:08 | 10m | - / - | DO3HCS | -15 / - | 17 | Partial capture |
| 08-21 14:08 | 10m | 0 / - | DN9ESA | - / -14 | 2 | ✓ Closing fragment |
| 08-21 14:04 | 10m | +2 / - | HG8LXL | - / -4 | 2 | ✓ Closing fragment |
| 08-20 17:59 | 20m | 0 / +3 | <...> | -11 / -5 | 2 | Partial capture |
| 08-20 14:07 | 10m | -3 / - | <...> | - / -18 | 13 | Partial capture |
| 08-19 10:08 | 20m | - / -1 | F4IVG | +6 / - | 3 | ✓ Closing fragment |
| 08-19 09:50 | 20m | - / -6 | G7VQV | -6 / - | 2 | ✓ Closing fragment |
| 08-19 09:45 | 20m | -10 / - | CR7BRV | - / - | 3 | ✓ Closing fragment |
| 08-19 09:43 | 20m | -10 / -9 | RA3Y | -14 / - | 5 | ✓ Full exchange observed |
| 08-19 09:41 | 20m | - / -14 | TA2ED | -17 / - | 2 | Partial capture |
| 08-19 09:41 | 20m | -10 / +4 | DL6MRM | -12 / +10 | 6 | ✓ Full exchange observed |
| 08-19 09:38 | 20m | -10 / - | EA2EED | - / - | 2 | Partial capture |
| 08-19 09:37 | 20m | -11 / - | OM7AMA | - / - | 3 | ✓ Closing fragment |
| 08-19 09:35 | 20m | -13 / -10 | RN3DN | -1 / - | 4 | ✓ Full exchange observed |
| 08-19 09:34 | 20m | -11 / - | 9A2LM | - / +4 | 3 | ✓ Closing fragment |
| 08-19 09:32 | 20m | -10 / - | RY2B | - / +3 | 3 | ✓ Closing fragment |
| 08-19 09:31 | 20m | -15 / +3 | CS8ABF | -14 / +7 | 5 | ✓ Full exchange observed |
| 08-19 09:27 | 20m | -10 / - | RD1A | - / +9 | 2 | ✓ Closing fragment |
| 07-25 16:47 | 10m | -12 / - | F5PMF | - / -21 | 3 | Partial capture |
| 07-25 16:46 | 10m | -14 / - | LZ1ZF | - / +1 | 2 | ✓ Closing fragment |
| 07-25 16:41 | 10m | -14 / - | HG8LXL | - / -6 | 6 | Partial capture |
| 07-19 19:02 | 40m | -10 / - | 8Q7PR | - / -9 | 11 | ✓ Closing fragment |
| 07-18 17:58 | 20m | -8 / -11 | YO6BLM | -1 / - | 4 | ✓ Full exchange observed |
| 07-18 17:56 | 20m | -6 / - | BI4MPH | - / - | 4 | Partial capture |
| 07-18 17:51 | 20m | - / -9 | G3ZRN | -8 / - | 2 | ✓ Closing fragment |
| 07-18 17:43 | 20m | - / -12 | IV3KPS | -10 / - | 2 | Partial capture |
| 07-18 17:41 | 20m | -14 / -4 | IK2ZJP | -6 / +3 | 3 | ✓ Full exchange observed |
| 07-18 17:26 | 20m | -15 / - | DM8KJ | - / - | 2 | Partial capture |
| 07-18 17:23 | 20m | - / +3 | MM7FTH | -12 / - | 2 | ✓ Closing fragment |
| 07-18 16:59 | 20m | - / -8 | SV2HTW | -4 / - | 2 | ✓ Closing fragment |
| 07-18 16:48 | 20m | -16 / - | SP1BMK | -14 / - | 2 | ✓ Closing observed |
| 07-18 16:42 | 20m | -15 / -6 | UT7UJ | +19 / +4 | 5 | ✓ Full exchange observed |
| 07-18 16:37 | 20m | -16 / - | VK2LAW | - / - | 2 | Partial capture |
| 07-11 16:34 | 40m | -11 / - | <...> | -20 / - | 3 | Partial capture |
| 07-06 05:50 | 20m | - / -7 | EA5ISM | -15 / - | 2 | ✓ Closing fragment |
| 07-04 20:55 | 80m | -10 / - | SK3WWA | - / -24 | 3 | Partial capture |
| 07-04 20:49 | 80m | -8 / -1 | EG4WWA | -24 / -2 | 8 | ✓ Full exchange observed |
| 07-04 06:31 | 20m | -2 / - | II9WWA | - / -8 | 4 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 180000 -11 1764 F4JJS <...> R+03 151945 -1 888 <...> F4JJS -15 (x5) 152345 +10 889 T77RN F4JJS -08 (x2) 152500 -1 2830 F4JJS T77RN R+00 152515 +10 2904 T77RN F4JJS RR73 152530 +9 2830 F4JJS T77RN RR73 152645 +8 2904 T77RN F4JJS -13 (x2) 152745 +11 2904 <...> F4JJS -16 (x2)
UTC dB Audio Message 142815 +3 949 F4JJS F1ODM RR73 142830 +2 948 F1ODM F4JJS R-13 142830 -9 2240 F4JJS DG4AZ +00 142845 +4 949 F4JJS F1ODM RR73 142900 -1 948 CQ F4JJS JN19 142900 -10 2240 F4JJS DG4AZ +00 142930 +2 948 IK4LZH F4JJS JN19 142930 -10 2239 F4JJS DG4AZ +00 143000 +0 948 IK4LZH F4JJS JN19 (x3) 143645 -11 2053 F4JJS DO3HCS JO52 145330 -6 1838 EW8W F4JJS JN19 (x3)
UTC dB Audio Message 163545 -12 681 <...> F4JJS JN19 163700 -20 2041 F4JJS <...> +24 160545 -24 1616 <...> F4JJS JN19 185745 -8 862 TJ1GD/P F4JJS 73 190245 -13 1110 8Q7PR F4JJS JN19 (x11)
UTC dB Audio Message 194445 -5 1137 SN4WWA F4JJS 73 194615 -15 1137 SN0WWA F4JJS JN19 (x2) 204545 -3 2184 II7WWA F4JJS JN19 204945 -10 1250 EG4WWA F4JJS JN19 (x5) 205330 -24 1297 F4JJS EG4WWA -01 205345 -9 1250 EG4WWA F4JJS R-02 (x2) 205515 -6 1250 SK3WWA F4JJS JN19 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.