R4SB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R4SB, decoded by SO8OO in southeastern Poland. 44 related FT8 messages, observed on 40m, 20m, across 8 UTC dates. Heard between 2026-07-03 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 R4SB worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R4SB
Approximate centre of LO36, decoded 2026-08-23 14:40 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 | R4SB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 14:37 | 40m | -21 / +10 | UG4L | -16 / - | 3 | Partial capture |
| 08-23 14:33 | 40m | - / -6 | UA3PTK | -20 / - | 2 | Partial capture |
| 08-15 06:21 | 20m | - / -9 | R50RKZ | -6 / - | 2 | ✓ Closing fragment |
| 08-15 06:18 | 20m | - / -8 | RA9LL | -8 / - | 2 | ✓ Closing fragment |
| 08-15 06:08 | 20m | -4 / - | HC5F | - / -1 | 2 | Partial capture |
| 08-03 18:41 | 40m | -13 / - | DS5USH | - / -14 | 2 | ✓ Closing fragment |
| 08-03 18:25 | 40m | -17 / - | EP2AES | - / - | 2 | Partial capture |
| 08-03 18:24 | 40m | -13 / -3 | RW6HPS | -14 / - | 2 | ✓ Closing observed |
| 08-03 18:22 | 40m | -16 / -2 | EI8GS | -17 / -12 | 3 | Partial capture |
| 08-03 18:15 | 40m | -20 / - | <...> | - / - | 2 | Partial capture |
| 08-03 18:10 | 40m | -20 / - | R3LDK | -18 / - | 3 | ✓ Closing observed |
| 08-03 18:09 | 40m | -8 / - | R6LPF | - / -6 | 2 | Partial capture |
| 08-03 18:07 | 40m | -17 / -6 | R6OIZ | -6 / +1 | 3 | ✓ Full exchange observed |
| 08-03 17:56 | 40m | - / - | EW8DU | -11 / - | 3 | ✓ Closing fragment |
| 07-31 17:07 | 20m | -13 / - | YO9CX | - / -10 | 4 | ✓ Closing fragment |
| 07-31 17:05 | 20m | -4 / - | TN8GD | - / +2 | 3 | ✓ Closing fragment |
| 07-31 17:01 | 20m | -17 / -14 | CR7BUJ | -15 / - | 5 | ✓ Closing observed |
| 07-31 16:58 | 20m | -18 / -13 | BD6KDP | -15 / -15 | 2 | Partial capture |
| 07-31 16:57 | 20m | -11 / - | VO1IV | - / - | 2 | Partial capture |
| 07-31 16:55 | 20m | -8 / -1 | 7K1CPT | -12 / - | 3 | ✓ Full exchange observed |
| 07-31 16:53 | 20m | -10 / - | TF3PPN | - / - | 2 | Partial capture |
| 07-31 16:48 | 20m | -20 / - | YB7SKM | - / -19 | 2 | ✓ Closing fragment |
| 07-31 16:39 | 20m | -7 / - | 3B8GL | - / - | 3 | Partial capture |
| 07-31 16:03 | 20m | -8 / - | 3B8GL | - / - | 2 | Partial capture |
| 07-31 03:33 | 20m | -14 / - | YV6BXN | - / - | 3 | Partial capture |
| 07-28 08:44 | 20m | -10 / - | EI9KF | - / - | 3 | Partial capture |
| 07-28 08:42 | 20m | -6 / - | E71DOC | - / -9 | 3 | ✓ Closing fragment |
| 07-28 08:34 | 20m | -8 / - | R1TM | - / - | 2 | ✓ Closing fragment |
| 07-28 08:32 | 20m | -12 / - | EI9KF | - / -19 | 4 | Partial capture |
| 07-28 08:24 | 20m | -10 / - | R70OBN | - / -24 | 4 | Partial capture |
| 07-21 13:36 | 20m | -16 / - | NH6RF | - / -16 | 3 | Partial capture |
| 07-21 13:25 | 20m | -10 / - | JM7GTK | - / -16 | 3 | ✓ Closing fragment |
| 07-21 13:23 | 20m | -8 / -10 | RW4CCW | -5 / -8 | 3 | ✓ Full exchange observed |
| 07-21 09:19 | 20m | -13 / - | PY7XC | - / - | 6 | Partial capture |
| 07-14 18:20 | 40m | - / +7 | UB6SAN | -12 / - | 3 | ✓ Closing fragment |
| 07-14 18:14 | 40m | - / - | R3DHP | -18 / - | 3 | Partial capture |
| 07-14 18:10 | 40m | - / - | F5RRS | -18 / - | 3 | Partial capture |
| 07-14 13:31 | 20m | -13 / -5 | A61DD | -16 / +7 | 2 | Partial capture |
| 07-03 13:47 | 20m | -16 / - | KF0YOB | - / -4 | 2 | ✓ Closing fragment |
| 07-03 13:45 | 20m | - / - | F4HSB | -20 / - | 3 | Partial capture |
| 07-03 11:31 | 20m | -17 / - | EW2ZC | - / -3 | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 182245 -17 2366 R4SB EI8GS -02 182330 -17 2366 EI8GS R4SB R-12 182445 -14 2366 R4SB RW6HPS R-03 182530 -15 2060 EP2AES R4SB LO36 182600 -13 2365 RW6HPS R4SB RR73 182700 -19 2060 EP2AES R4SB LO36 182800 -6 2740 IK7JHM R4SB -14 183430 -15 1143 VJ6X R4SB LO36 184115 -13 2005 DS5USH R4SB R-14 (x2) 143345 -20 1644 R4SB UA3PTK -06 (x2) 143715 -16 2122 R4SB UG4L +10 143830 -21 2121 UG4L R4SB LO36 (x2)
UTC dB Audio Message 170900 -14 1759 YO9CX R4SB 73 171030 -5 2290 <...> R4SB LO36 171100 -7 2290 OE/PA1JMR R4SB LO36 171200 -16 1628 BG8HNC R4SB LO36 060345 -6 367 R4SB R6ZB +01 091845 -21 1888 R4SB RZ6CO +01 124945 -19 1490 JH4VTV R4SB LO36 060715 -24 1451 KI6Q R4SB LO36 060800 -5 356 HC5F R4SB LO36 (x2) 061800 -11 2692 R4SB RA9LL -08 (x2) 062100 -2 2182 R4SB R50RKZ -09 (x2) 063345 -20 1107 YL3GQ R4SB 73
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.