RP81SB — FT8 station from European Russia
Amateur radio station RP81SB operating from European Russia. 1,481 FT8 spots received at SO8OO WebSDR, 926 CQ calls, active on 160m, 80m, 40m, 20m, over 4 days, best SNR +22 dB. Heard between 2026-04-30 and 2026-05-04.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
1,481
Total spots
926
CQ calls
4
Days active
-3 dB
Avg SNR
Bands
80m
20m
40m
160m
First seen: 2026-04-30
Last seen: 2026-05-04 17:30 UTC
Last seen: 2026-05-04 17:30 UTC
Frequent QSO partners observed at SO8OO
Stations RP81SB worked most often, as logged from our receiver:
R1945ML
· European Russia ×6
RP81IFT
· European Russia ×5
SX100PAOK
· Greece ×3
RP81SIE
· European Russia ×3
RP81NHN
· European Russia ×3
RP81LSV
· European Russia ×3
R4AEE/P
· European Russia ×2
K1ABC
· United States ×2
IR3ORCO
· Italy ×2
RP81OZR
· European Russia ×2
RP81IAK
· European Russia ×2
RP81VKN
· European Russia ×2
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RP81SB | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-04 19:16 | 40m | -16 / - | <...> | -18 / - | 3 | ✓ Confirmed |
| 05-04 19:10 | 40m | - / - | <...> | -20 / - | 2 | ✓ Confirmed |
| 05-04 18:37 | 40m | -6 / - | <...> | - / - | 2 | ✓ Confirmed |
| 05-04 18:03 | 40m | +2 / - | RP81LDD | - / - | 2 | ✓ Confirmed |
| 05-04 15:02 | 20m | -13 / - | <...> | 0 / - | 5 | ✓ Confirmed |
| 05-04 14:53 | 20m | +1 / - | <...> | -3 / - | 2 | ✓ Confirmed |
| 05-04 14:37 | 20m | -12 / - | <...> | - / - | 3 | ✓ Confirmed |
| 05-04 14:16 | 20m | +4 / - | <...> | - / - | 2 | ✓ Confirmed |
| 05-04 12:52 | 20m | +11 / - | <...> | -5 / - | 6 | ✓ Confirmed |
| 05-04 07:12 | 40m | -6 / - | <...> | - / - | 2 | ✓ Confirmed |
| 05-04 05:12 | 40m | -12 / - | <...> | - / - | 2 | ✓ Confirmed |
| 05-04 05:01 | 40m | -8 / - | <...> | - / - | 2 | ✓ Confirmed |
| 05-04 04:51 | 40m | -8 / - | <...> | -18 / - | 3 | ✓ Confirmed |
| 05-04 04:44 | 40m | -4 / - | <...> | -18 / - | 4 | ✓ Confirmed |
| 05-04 04:33 | 40m | -4 / - | <...> | -16 / - | 2 | ✓ Confirmed |
| 05-04 04:26 | 40m | 0 / - | <...> | -7 / - | 2 | ✓ Confirmed |
| 05-04 04:11 | 40m | -10 / - | <...> | -16 / - | 2 | ✓ Confirmed |
| 05-04 04:06 | 40m | -2 / - | <...> | -10 / - | 3 | ✓ Confirmed |
| 05-04 04:06 | 40m | -14 / - | RA6HN | - / -2 | 2 | Partial |
| 05-04 03:45 | 40m | 0 / - | <...> | -10 / - | 5 | ✓ Confirmed |
| 05-04 03:29 | 40m | -6 / - | <...> | - / - | 2 | ✓ Confirmed |
| 05-04 02:59 | 40m | -3 / - | <...> | 0 / - | 2 | ✓ Confirmed |
| 05-04 02:32 | 40m | -2 / - | <...> | -8 / - | 2 | ✓ Confirmed |
| 05-04 02:20 | 40m | -5 / - | <...> | -14 / - | 3 | ✓ Confirmed |
| 05-04 02:13 | 40m | +8 / - | <...> | -6 / - | 2 | ✓ Confirmed |
| 05-04 01:54 | 40m | - / - | <...> | -10 / - | 2 | ✓ Confirmed |
| 05-04 01:45 | 40m | +10 / - | <...> | -14 / - | 2 | ✓ Confirmed |
| 05-04 01:36 | 40m | +1 / - | <...> | -10 / - | 2 | ✓ Confirmed |
| 05-04 01:27 | 40m | -22 / - | <...> | -12 / - | 2 | ✓ Confirmed |
| 05-04 00:18 | 40m | -5 / -4 | IW1GB | -14 / - | 5 | Partial |
| 05-04 00:06 | 40m | +1 / - | <...> | -2 / - | 2 | ✓ Confirmed |
| 05-03 23:56 | 40m | -14 / - | <...> | -10 / - | 2 | ✓ Confirmed |
| 05-03 23:52 | 40m | -10 / - | <...> | -7 / - | 2 | ✓ Confirmed |
| 05-03 23:33 | 40m | -6 / - | <...> | -10 / - | 2 | ✓ Confirmed |
| 05-03 23:29 | 40m | -15 / - | <...> | -12 / - | 2 | ✓ Confirmed |
| 05-03 23:26 | 40m | -4 / - | <...> | -9 / - | 2 | ✓ Confirmed |
| 05-03 23:16 | 40m | -18 / - | <...> | -7 / - | 3 | ✓ Confirmed |
| 05-03 23:11 | 40m | +9 / - | <...> | -1 / - | 4 | ✓ Confirmed |
| 05-03 22:17 | 40m | - / - | <...> | +3 / - | 2 | ✓ Confirmed |
| 05-03 21:46 | 40m | +13 / - | <...> | -6 / - | 2 | ✓ Confirmed |
| 05-03 21:31 | 160m | -12 / - | YO9IE | - / -11 | 4 | Partial |
| 05-03 21:29 | 160m | -2 / - | <...> | +13 / - | 3 | ✓ Confirmed |
| 05-03 21:26 | 40m | +3 / - | <...> | -6 / - | 4 | ✓ Confirmed |
| 05-03 21:08 | 40m | - / - | PR0PGNDA | +1 / - | 3 | ✓ Confirmed |
| 05-03 21:05 | 40m | +4 / - | <...> | -6 / - | 2 | ✓ Confirmed |
| 05-03 21:04 | 160m | - / - | <...> | +2 / - | 2 | ✓ Confirmed |
| 05-03 21:01 | 160m | -10 / - | F1PBZ | - / -10 | 2 | Partial |
| 05-03 21:01 | 160m | -18 / - | SV7BVM | - / - | 5 | Partial |
| 05-03 21:01 | 160m | -7 / - | <...> | +2 / - | 3 | ✓ Confirmed |
| 05-03 20:47 | 40m | -4 / - | <...> | -4 / - | 12 | ✓ Confirmed |
Station Log
40m
UTC dB Freq Message 190230 -18 2340 <...> RP81SB RR73 190515 +6 2340 RP81SB <...> 73 190530 -18 2339 CQ RP81SB 190745 +6 2340 RP81SB <...> 73 190900 -19 2339 CQ RP81SB 191000 -19 2340 <...> RP81SB RR73 191015 -4 2825 RP81SB RP81LDD 73 191130 -20 2340 <...> RP81SB RR73 191500 -20 2339 CQ RP81SB 191630 -18 2340 <...> RP81SB RR73 191645 -11 2339 RP81SB <...> 73 (x3) 192700 -7 2340 <...> RP81SB RR73 193015 +0 1538 RP81SB R1945ML RR73
20m
UTC dB Freq Message 143145 +1 2442 RP81SB <...> 73 143300 -13 2443 CQ RP81SB 143715 -12 1241 RP81SB <...> RR73 (x3) 145330 -3 2443 <...> RP81SB RR73 145345 +1 2443 RP81SB <...> 73 (x2) 150200 -5 2443 <...> RP81SB RR73 (x2) 150300 +1 2443 CQ RP81SB 150330 +4 2443 <...> RP81SB RR73 (x2) 150545 -13 1940 RP81SB <...> RR73 150800 -1 2443 <...> RP81SB RR73
160m
UTC dB Freq Message 210430 +2 860 <...> RP81SB RR73 (x2) 210700 +7 720 CQ RP81SB (x3) 212945 -3 1320 RP81SB <...> RR73 212945 -1 895 <RP81SB> RM5F KO85 213100 +13 627 <...> RP81SB RR73 213115 -1 895 RP81SB <...> 73 213115 -16 1642 <RP81SB> YO9IE -11 213130 +13 627 CQ RP81SB 213145 -12 1642 RP81SB YO9IE -10 213200 +15 627 CQ RP81SB 213245 -15 1642 RP81SB YO9IE R-18 (x2)
80m
UTC dB Freq Message 222830 +3 382 <...> RP81SB RR73 222900 +1 382 CQ RP81SB (x2) 223030 +3 381 <...> RP81SB RR73 223045 -5 2583 RP81SB <...> 73 223100 +2 382 CQ RP81SB (x3) 223315 +5 2500 RP81SB <...> RR73 (x2) 223330 +0 381 <...> RP81SB RR73 223400 -1 381 CQ RP81SB (x4)