RK4HZ — FT8 station from European Russia
Amateur radio station RK4HZ operating from European Russia. 243 FT8 spots received at SO8OO WebSDR, 98 CQ calls, active on 40m, 20m, over 13 days, best SNR +23 dB. Heard between 2026-04-21 and 2026-05-12.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
243
Total spots
98
CQ calls
13
Days active
-5 dB
Avg SNR
Bands
40m
20m
First seen: 2026-04-21
Last seen: 2026-05-12 02:57 UTC
Last seen: 2026-05-12 02:57 UTC
Frequent QSO partners observed at SO8OO
Stations RK4HZ worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RK4HZ | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-12 04:56 | 20m | -21 / -5 | RL9L | +2 / -15 | 3 | ✓ Complete |
| 05-12 04:46 | 40m | -16 / - | R5AV | - / -4 | 2 | ✓ Confirmed |
| 05-12 04:33 | 40m | -16 / - | RM5F | - / -4 | 2 | Partial |
| 05-12 04:32 | 40m | -12 / - | R7KJM | - / -11 | 2 | ✓ Confirmed |
| 05-08 09:13 | 20m | +10 / - | IK4LZH | - / - | 4 | Partial |
| 05-08 07:06 | 20m | - / -17 | <...> | +1 / - | 3 | Partial |
| 05-07 09:08 | 20m | +3 / -2 | <...> | -20 / -19 | 2 | Partial |
| 05-07 08:48 | 40m | -2 / - | EV81M | - / +3 | 2 | ✓ Confirmed |
| 05-06 09:02 | 20m | - / -3 | <...> | -5 / - | 3 | Partial |
| 05-06 08:55 | 20m | -10 / -11 | <...> | -3 / -17 | 2 | Partial |
| 05-06 08:46 | 20m | +6 / +4 | <...> | -6 / -2 | 4 | Partial |
| 05-06 05:39 | 40m | -16 / - | DL5DQZ | - / - | 2 | ✓ Confirmed |
| 05-06 04:35 | 40m | -10 / - | <...> | - / -11 | 2 | Partial |
| 05-04 08:33 | 20m | - / -11 | <...> | +1 / - | 2 | Partial |
| 05-04 08:27 | 20m | 0 / -13 | <...> | 0 / +10 | 3 | Partial |
| 05-04 08:11 | 20m | - / -13 | <...> | +2 / - | 3 | Partial |
| 05-04 05:28 | 20m | - / -12 | RY6O | +6 / - | 4 | ✓ Confirmed |
| 05-04 04:32 | 40m | +2 / - | IW0RLC | - / - | 4 | Partial |
| 04-29 10:07 | 20m | -3 / - | F4LEB | - / -12 | 3 | Partial |
| 04-29 10:00 | 20m | +6 / - | RM1O/P | - / - | 3 | ✓ Confirmed |
| 04-29 09:59 | 20m | -2 / - | R6ZAU | - / -18 | 2 | Partial |
| 04-29 05:12 | 20m | - / -16 | <...> | -6 / - | 2 | Partial |
| 04-29 04:57 | 20m | - / -12 | <...> | -1 / - | 3 | Partial |
| 04-28 08:23 | 20m | -1 / - | RQ6B | - / - | 2 | ✓ Confirmed |
| 04-28 05:14 | 20m | - / -9 | <...> | -3 / - | 3 | Partial |
| 04-27 11:24 | 20m | +10 / - | F4HTV | - / - | 2 | Partial |
| 04-27 11:21 | 20m | -10 / - | PA2KV | - / - | 3 | Partial |
| 04-27 11:19 | 20m | +22 / - | IK4LZH | - / -3 | 2 | Partial |
| 04-27 11:17 | 20m | -14 / - | PA2WCB | - / -13 | 2 | ✓ Confirmed |
| 04-27 06:12 | 20m | - / -1 | YL2KF | -4 / - | 3 | ✓ Confirmed |
| 04-24 07:03 | 20m | +15 / - | I4GAS | -18 / -4 | 6 | ✓ Complete |
| 04-24 05:49 | 40m | -12 / - | RT6O | - / -5 | 2 | ✓ Confirmed |
| 04-24 05:46 | 40m | -12 / - | RA6ZC | - / -12 | 2 | ✓ Confirmed |
| 04-24 05:38 | 40m | -9 / - | R2PX | - / +7 | 3 | ✓ Confirmed |
| 04-24 04:53 | 40m | 0 / - | RM3ZK | - / -5 | 2 | ✓ Confirmed |
| 04-24 04:18 | 40m | -6 / - | RX7O | - / -4 | 2 | ✓ Confirmed |
| 04-24 04:12 | 40m | -9 / - | R6ZDJ | - / -12 | 3 | ✓ Confirmed |
| 04-24 04:12 | 40m | +12 / - | IQ4JO | - / -20 | 3 | ✓ Confirmed |
| 04-24 04:03 | 40m | -9 / - | RK6OV | - / -16 | 2 | ✓ Confirmed |
| 04-23 07:52 | 20m | - / -19 | GW8PSJ | -9 / - | 2 | Partial |
| 04-23 07:47 | 20m | -11 / - | RA6FRI | -2 / -7 | 4 | ✓ Verified |
| 04-23 07:41 | 20m | - / -15 | <...> | -5 / - | 2 | Partial |
| 04-23 07:17 | 20m | -4 / -12 | R6YG | +2 / - | 3 | ✓ Verified |
| 04-23 07:10 | 20m | -10 / -5 | <...> | +2 / -21 | 3 | Partial |
| 04-23 04:52 | 20m | -20 / -7 | R9OX | +8 / +5 | 5 | ✓ Complete |
| 04-22 10:54 | 20m | +2 / -6 | RZ1O | +5 / -19 | 5 | ✓ Complete |
| 04-22 10:28 | 20m | - / -14 | RY6O | -1 / - | 3 | Partial |
| 04-22 08:53 | 20m | -14 / - | UB6OAJ | -3 / -16 | 3 | ✓ Verified |
| 04-22 08:50 | 20m | -1 / +2 | R40CHA | -5 / - | 2 | ✓ Verified |
| 04-22 08:30 | 40m | -6 / - | R3KLE | - / +1 | 2 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 070645 +2 2708 <...> RK4HZ -17 (x3) 070930 -5 563 RK4HZ RP81UAI R-15 071145 -8 2672 <...> RK4HZ -05 091200 -2 1930 CQ RK4HZ LO43 091315 +6 362 RK4HZ IK4LZH JN54 091345 +4 1825 RM81RP <RK4HZ> RR73 091345 +7 362 RK4HZ IK4LZH JN54 (x3) 045630 +1 2052 RL9L RK4HZ -05 (x2) 045715 -21 1489 RK4HZ RL9L R-15 045930 -6 2114 IN3IJJ RK4HZ R-10
40m
UTC dB Freq Message 043630 -8 754 RK4HZ <...> R-04 044245 -20 1458 RK4HZ SH7LH JO66 053945 -17 1944 RK4HZ DL5DQZ JO61 (x2) 045730 +3 529 RK4HZ <...> R-10 084800 -7 1519 RK4HZ <EV81M> R+03 (x2) 064030 -10 1064 RK4HZ <...> R-09 064100 -16 1064 RK4HZ RR73; YO6MP <...> -22 043230 -11 382 RK4HZ R7KJM R-11 043300 -17 794 RK4HZ RM5F KO85 043300 -14 382 RK4HZ R7KJM 73 043330 -14 794 RK4HZ RM5F R-04 044630 -18 2037 RK4HZ R5AV -04 (x2)