HC5F — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving HC5F, decoded by SO8OO in southeastern Poland. 882 related FT8 messages, 123 CQ messages, observed on 80m, 60m, 40m, 20m, across 40 UTC dates. Heard between 2026-05-25 and 2026-08-22.
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 HC5F worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by HC5F
Approximate centre of FI07, decoded 2026-08-21 04:43 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 | HC5F S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 05:55 | 40m | - / - | ON4JPE | -12 / - | 3 | Partial capture |
| 08-22 05:16 | 60m | - / - | DK1HZ | +5 / - | 7 | Partial capture |
| 08-22 05:08 | 60m | - / - | IK8HJC | -4 / - | 2 | Partial capture |
| 08-22 05:07 | 60m | - / - | IV3DSG | +2 / - | 5 | Partial capture |
| 08-22 05:04 | 80m | - / - | EA3CUU | -6 / - | 2 | Partial capture |
| 08-22 05:01 | 80m | - / -17 | MM0KQC | -20 / - | 3 | Partial capture |
| 08-21 04:44 | 20m | - / - | RN3DKE | -11 / - | 4 | Partial capture |
| 08-21 04:43 | 20m | - / - | HB9XBY | -14 / - | 6 | Partial capture |
| 08-21 04:42 | 20m | - / -17 | EV6Z | -9 / - | 3 | Partial capture |
| 08-21 04:39 | 20m | -5 / - | RA6OV | - / -5 | 4 | ✓ Closing fragment |
| 08-21 04:38 | 20m | - / - | RN3DKE | -4 / - | 4 | Partial capture |
| 08-21 04:36 | 20m | -3 / - | RM3DM | -4 / -11 | 4 | ✓ Closing observed |
| 08-21 04:33 | 20m | - / - | RN3DKE | -5 / - | 2 | Partial capture |
| 08-21 04:33 | 20m | 0 / - | S56IPS | -9 / -9 | 4 | ✓ Closing observed |
| 08-21 04:29 | 20m | -1 / -10 | EX7CQ | -8 / -15 | 5 | ✓ Full exchange observed |
| 08-21 04:25 | 20m | -3 / - | UA3QC | -21 / -18 | 6 | Partial capture |
| 08-21 04:24 | 20m | -6 / - | R6ZEJ | - / -19 | 2 | ✓ Closing fragment |
| 08-21 04:24 | 20m | - / - | R9CB | -6 / - | 5 | Partial capture |
| 08-21 04:24 | 20m | - / - | RN3DKE | -6 / - | 2 | Partial capture |
| 08-21 04:17 | 20m | - / -7 | RA3TKS | -6 / - | 3 | Partial capture |
| 08-21 04:14 | 20m | -18 / - | F4IJK | - / -16 | 2 | Partial capture |
| 08-21 04:13 | 20m | - / -11 | OD5ZZ | -12 / - | 2 | Partial capture |
| 08-21 04:13 | 20m | - / - | RA3THN | -10 / - | 2 | Partial capture |
| 08-21 04:12 | 20m | - / - | RL6MT | -11 / - | 2 | Partial capture |
| 08-21 04:07 | 20m | - / -11 | UN7PNF | -17 / - | 7 | Partial capture |
| 08-21 04:04 | 20m | -11 / -6 | 4L7T | +13 / - | 6 | ✓ Closing observed |
| 08-20 05:18 | 20m | -8 / - | E77FN | -3 / -12 | 3 | Partial capture |
| 08-20 05:12 | 20m | -11 / - | E77FN | +5 / -12 | 10 | Partial capture |
| 08-20 05:08 | 20m | - / - | E77FN | +11 / - | 2 | Partial capture |
| 08-20 05:05 | 20m | -13 / - | EW2M | - / -14 | 7 | Partial capture |
| 08-20 04:58 | 20m | -10 / -21 | OD5ET | +4 / - | 5 | ✓ Closing observed |
| 08-20 04:55 | 20m | - / - | RW6HPS | -7 / - | 4 | Partial capture |
| 08-20 04:53 | 20m | - / - | F6DJL | +6 / - | 2 | Partial capture |
| 08-20 04:52 | 20m | - / -5 | ON4YOU | 0 / - | 3 | Partial capture |
| 08-20 04:26 | 20m | -6 / - | RW3YS | - / -15 | 3 | ✓ Closing fragment |
| 08-20 04:22 | 20m | -6 / - | UA3NFI | - / -11 | 2 | ✓ Closing fragment |
| 08-20 04:08 | 20m | - / - | SQ8EFK | -8 / - | 2 | Partial capture |
| 08-20 04:01 | 20m | - / - | SQ8EFK | -5 / - | 2 | Partial capture |
| 08-20 03:54 | 20m | - / - | RX9ABI | -1 / - | 2 | Partial capture |
| 08-19 05:04 | 60m | - / -26 | G3SHK | -5 / - | 2 | Partial capture |
| 08-19 05:00 | 60m | - / - | G3SHK | -8 / - | 2 | Partial capture |
| 08-19 04:49 | 60m | - / - | SP6EFY | +15 / - | 11 | Partial capture |
| 08-19 04:46 | 60m | - / - | F5NLY | -13 / - | 9 | Partial capture |
| 08-19 04:46 | 60m | - / - | LX1ER | -4 / - | 9 | Partial capture |
| 08-15 06:11 | 20m | - / -10 | PD8RUK | -3 / - | 2 | ✓ Closing fragment |
| 08-15 06:08 | 20m | - / -1 | R4SB | -4 / - | 2 | Partial capture |
| 08-15 06:03 | 20m | - / - | YT1DDL | +2 / - | 3 | Partial capture |
| 08-15 06:02 | 20m | - / - | RL6MT | -13 / - | 3 | Partial capture |
| 08-15 05:59 | 20m | - / - | F1NQP | -20 / - | 2 | Partial capture |
| 08-15 05:51 | 20m | - / -20 | RA0SE | -5 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 043630 -13 1540 HC5F SP6TGI JO71 (x11) 044230 -19 1280 HC5F OZ6ABL JO55 055530 -11 790 HC5F ON4JPE JO10 (x3)
UTC dB Audio Message 050530 -4 482 HC5F G3SHK R-26 050730 +1 427 HC5F IV3DSG JN66 (x2) 050800 -4 889 HC5F IK8HJC JN70 050830 +2 427 HC5F IV3DSG JN66 050830 -5 889 HC5F IK8HJC JN70 050900 +0 427 HC5F IV3DSG JN66 (x2) 051630 +4 766 HC5F DK1HZ JN48 (x7)
UTC dB Audio Message 032100 +16 2772 HC5F IV3IRO JN65 (x3) 041200 -10 967 HC5F VP2MAA -04 (x2) 042930 +22 368 HC5F SP3PLD JO72 (x3) 050130 -20 1644 HC5F MM0KQC -17 (x3) 050430 -4 399 HC5F EA3CUU JN12 (x2)
UTC dB Audio Message 044300 -18 1351 HC5F OD5ZZ RR73 044300 -14 788 HC5F HB9XBY JN47 044315 -1 601 CQ HC5F FI07 044330 -12 788 HC5F HB9XBY JN47 044330 -12 1257 HC5F EV6Z -16 044345 -3 602 CQ HC5F FI07 044400 -6 1257 HC5F EV6Z -16 044400 -11 602 HC5F RN3DKE KO85 044500 -13 788 HC5F HB9XBY JN47 044500 -11 602 HC5F RN3DKE KO85 044530 -14 788 HC5F HB9XBY JN47 044530 -10 602 HC5F RN3DKE KO85 (x2) 044630 -17 788 HC5F HB9XBY JN47 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.