RK4F — FT8 station from European Russia
Amateur radio station RK4F operating from European Russia (grid square LO23). 130 FT8 spots received at SO8OO WebSDR, 38 CQ calls, active on 80m, 40m, 20m, over 15 days, best SNR +17 dB. Heard between 2026-04-21 and 2026-05-14.
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Overview
130
Total spots
38
CQ calls
15
Days active
-4 dB
Avg SNR
Bands
80m
20m
40m
First seen: 2026-04-21
Last seen: 2026-05-14 01:57 UTC
Last seen: 2026-05-14 01:57 UTC
Frequent QSO partners observed at SO8OO
Stations RK4F worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RK4F | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-14 03:59 | 20m | - / - | E77TT | -13 / - | 2 | ✓ Confirmed |
| 05-14 03:56 | 20m | - / -16 | KE9CLZ | -6 / - | 2 | ✓ Confirmed |
| 05-14 03:46 | 20m | - / -15 | KY4OM | -9 / - | 2 | ✓ Confirmed |
| 05-14 03:43 | 20m | - / -14 | KG5UNK | -6 / - | 2 | ✓ Confirmed |
| 05-14 03:42 | 20m | - / -19 | N0STL | -7 / - | 2 | ✓ Confirmed |
| 05-14 03:40 | 20m | - / -4 | F1POK | -10 / - | 2 | ✓ Confirmed |
| 05-14 03:39 | 20m | - / -20 | VA3KTJ | -10 / - | 2 | ✓ Confirmed |
| 05-14 03:37 | 20m | - / -15 | N0SZ | -12 / - | 2 | ✓ Confirmed |
| 05-14 03:32 | 20m | -15 / -5 | RA6OY | -21 / -14 | 5 | ✓ Complete |
| 05-12 14:57 | 20m | - / -13 | IU5TSN | +1 / - | 2 | ✓ Confirmed |
| 05-12 14:56 | 20m | - / - | R1WCK | 0 / - | 2 | ✓ Confirmed |
| 05-12 14:54 | 20m | - / -9 | G8XPG | -4 / - | 3 | ✓ Confirmed |
| 05-12 14:52 | 20m | - / -13 | G7LMY | -12 / - | 2 | ✓ Confirmed |
| 05-12 14:48 | 20m | - / -15 | F4CWQ | -9 / - | 3 | ✓ Confirmed |
| 05-12 14:47 | 20m | - / -14 | IU0PXM | -9 / - | 3 | ✓ Confirmed |
| 05-12 14:43 | 20m | - / -5 | SN1A | -12 / - | 2 | ✓ Confirmed |
| 05-12 14:42 | 20m | - / -16 | BG7BMG | -8 / - | 3 | ✓ Confirmed |
| 05-12 14:41 | 20m | - / -2 | YO3DAX | -4 / - | 2 | ✓ Confirmed |
| 05-11 14:00 | 20m | - / -10 | JQ2LVH | -4 / - | 2 | ✓ Confirmed |
| 05-09 22:21 | 40m | -1 / -20 | EA1EMI | -18 / -9 | 4 | Partial |
| 05-09 22:19 | 40m | -6 / -15 | EA8UP | -19 / -5 | 2 | Partial |
| 05-09 22:18 | 40m | - / -11 | BG3GEF | -15 / - | 2 | ✓ Confirmed |
| 05-09 22:15 | 40m | -6 / - | G8KHF | -12 / -7 | 3 | ✓ Verified |
| 05-09 22:13 | 40m | - / -15 | M0WXX | -14 / - | 3 | ✓ Confirmed |
| 05-09 22:10 | 40m | -16 / -8 | DL1CC | -12 / - | 6 | ✓ Verified |
| 05-09 22:10 | 40m | -10 / -18 | MW7LQA | -13 / -18 | 3 | Partial |
| 05-09 22:08 | 40m | -24 / -11 | GB8VED | -14 / -4 | 4 | ✓ Complete |
| 05-09 22:08 | 40m | -19 / - | UN0GY | -18 / +2 | 3 | ✓ Verified |
| 05-09 22:05 | 40m | - / -3 | TB7HBY | -15 / - | 3 | ✓ Confirmed |
| 05-09 22:03 | 40m | -2 / -17 | OE6LQD | -12 / -1 | 4 | Partial |
| 05-09 21:59 | 40m | -7 / - | A71AH | - / - | 2 | Partial |
| 05-09 21:59 | 40m | -6 / -20 | IN3LHF | -13 / - | 3 | Partial |
| 05-09 21:53 | 40m | - / -5 | RC0AU/P | -14 / - | 3 | ✓ Confirmed |
| 05-09 21:50 | 40m | +2 / -7 | SA5UTR | -13 / +1 | 7 | ✓ Complete |
| 05-09 21:48 | 40m | +5 / - | F4FLF | - / -13 | 3 | Partial |
| 05-09 21:42 | 40m | +13 / - | HB9GWX | - / -7 | 2 | ✓ Confirmed |
| 05-09 21:36 | 80m | - / +3 | RP81M | -14 / - | 2 | Partial |
| 05-09 21:31 | 80m | +2 / -6 | Z62NS | -20 / -11 | 3 | ✓ Complete |
| 05-09 21:29 | 80m | -13 / - | DO1OAS | - / -13 | 2 | Partial |
| 05-09 21:27 | 80m | -1 / - | IQ4JO | -15 / -13 | 3 | ✓ Verified |
| 05-09 03:54 | 20m | - / -15 | <...> | +24 / - | 2 | Partial |
| 05-09 03:50 | 20m | - / -2 | RA6ALD | +23 / - | 3 | ✓ Confirmed |
| 05-09 03:42 | 20m | - / -12 | <...> | +22 / - | 6 | Partial |
| 05-07 10:16 | 20m | - / -4 | <...> | +17 / - | 4 | Partial |
| 05-07 10:11 | 20m | - / -15 | <...> | +13 / - | 2 | Partial |
| 05-07 01:00 | 20m | -14 / - | WA6VZN | - / -15 | 2 | ✓ Confirmed |
| 05-05 05:38 | 20m | - / -16 | VK3JA | -14 / - | 2 | Partial |
| 05-04 08:26 | 20m | - / -16 | F1IQH | +23 / - | 4 | Partial |
| 05-04 08:24 | 20m | - / -19 | G5MJF | +19 / - | 2 | Partial |
| 05-03 04:57 | 40m | - / -4 | <...> | -16 / - | 3 | Partial |
Station Log
20m
UTC dB Freq Message 034645 -7 1878 KY4OM RK4F -15 (x2) 034745 -6 1878 CQ RK4F LO23 034815 -3 1878 XE1ACA RK4F -19 (x2) 035215 +8 1877 J88IH RK4F -16 035315 -2 1877 W6CSM RK4F -12 035445 -15 1876 CQ RK4F LO23 035615 -6 1876 KE9CLZ RK4F -16 (x2) 035715 -7 1876 CQ RK4F LO23 (x2) 035915 -12 1876 E77TT RK4F RR73 (x2) 040045 +4 1876 RK6ALU RK4F RR73
40m
UTC dB Freq Message 221330 -13 893 M0WXX RK4F -15 (x3) 221545 -5 1216 RK4F G8KHF R-07 221600 -12 893 G8KHF RK4F RR73 221615 -7 1216 RK4F G8KHF 73 221715 -12 893 G0TKD RK4F -16 221830 -13 893 BG3GEF RK4F -11 (x2) 221930 -19 893 EA8UP RK4F -15 221945 -6 767 RK4F EA8UP R-05 222100 -18 893 EA1EMI RK4F -20 222245 -5 892 RK4F EA1EMI R-09 (x3)
80m
UTC dB Freq Message 212815 +0 2457 RK4F IQ4JO RR73 212830 -15 860 IQ4JO RK4F 73 212845 -17 860 RK4F EA1CQ IN83 212915 -15 859 RK4F DO1OAS -13 (x2) 213100 +2 1333 RK4F Z62NS -11 213115 -20 859 Z62NS RK4F R-06 213130 +2 1333 RK4F Z62NS RR73 213145 -12 860 RK4F EA1CQ IN83 213315 -15 860 UN8PC RK4F RR73 213345 -21 859 CQ RK4F LO23 213430 +13 513 RK4F OE1RDU/3 -10 213645 -15 859 <RP81M> RK4F LO23 213815 -14 859 CQ RK4F LO23 213845 -14 859 RP81M RK4F R+03