R50RKZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO91

Receiver-side FT8 activity involving R50RKZ, decoded by SO8OO in southeastern Poland. 4,206 related FT8 messages, 1,867 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 13 UTC dates. Heard between 2026-08-01 and 2026-08-16.

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

4,206

Related messages

1,867

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-08-01
Last seen: 2026-08-16 11:00 UTC

Frequent QSO partners observed at SO8OO

Stations R50RKZ worked most often, as logged from our receiver:

IW5ALZ · Italy ×5 SV2AEL · Greece ×4 R6TY · European Russia ×4 DG0LFG · Fed. Rep. of Germany ×4 RK4HS · European Russia ×4 R4IQ · European Russia ×4 R5KH · European Russia ×4 RA6YDX · European Russia ×4 DL9KM · Fed. Rep. of Germany ×4 R9FF · European Russia ×3 RV6HE · European Russia ×3 R5AV · European Russia ×3

Activity Heatmap

Locator transmitted by R50RKZ

Approximate centre of KO91, decoded 2026-08-16 11:59 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	R50RKZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-16 12:59	10m	- / -5	M0BEW	-10 / -	2	✓ Closing fragment
08-16 11:58	20m	+1 / -	DL3JJ	- / 0	2	✓ Closing fragment
08-16 11:56	20m	-1 / -1	RL6MT	-8 / +6	5	✓ Full exchange observed
08-16 11:51	20m	-1 / -	BH2VYP	- / -16	3	Partial capture
08-16 11:49	20m	0 / -	JR7NFW	- / -25	3	✓ Closing fragment
08-16 11:44	20m	-4 / -	EA5RW	- / -21	2	Partial capture
08-16 11:43	20m	-4 / -	VR2VAZ	- / -18	2	✓ Closing fragment
08-16 11:41	20m	-1 / -7	RX4SA	-19 / -8	3	✓ Full exchange observed
08-16 11:38	20m	0 / -	JR9NEE	- / -17	2	✓ Closing fragment
08-16 11:35	20m	-7 / +4	DL6PCS	-11 / -16	5	✓ Full exchange observed
08-16 11:34	20m	-6 / -	JA7FLK	- / -15	2	✓ Closing fragment
08-16 11:31	20m	+3 / -	IW5ALZ	- / -14	2	✓ Closing fragment
08-16 11:31	20m	-2 / +5	DH9JB	-12 / +9	5	✓ Full exchange observed
08-16 11:29	20m	+1 / -3	DB1EF	-21 / -5	6	✓ Full exchange observed
08-16 11:24	20m	-1 / +1	YU1FI	-15 / -16	5	✓ Full exchange observed
08-16 11:23	20m	-2 / -	DL8DCD	- / -16	2	✓ Closing fragment
08-16 11:22	20m	-4 / +8	PD0JEW	-16 / -	2	✓ Closing observed
08-16 11:21	20m	- / -	EU1AK	-10 / -	4	Partial capture
08-16 11:20	20m	+3 / -	UB4CLH	- / -10	2	✓ Closing fragment
08-16 11:19	20m	+2 / -	R1LH	- / 0	2	✓ Closing fragment
08-16 11:14	20m	-1 / -	IU2HUQ	- / -10	3	✓ Closing fragment
08-16 11:11	20m	0 / -	RA3DAD	-17 / -18	4	✓ Closing observed
08-16 11:07	20m	+3 / -	PD2V	-14 / +3	2	✓ Closing observed
08-16 11:02	20m	0 / -	PD2VE	- / -3	2	✓ Closing fragment
08-16 10:57	20m	0 / -	OE8PIT	- / -11	2	✓ Closing fragment
08-16 10:55	20m	+4 / -	IZ8QXY	- / -13	2	Partial capture
08-16 10:54	20m	+4 / -	G7RCQ	- / -5	2	✓ Closing fragment
08-16 10:51	20m	-4 / -	BA5AN	- / -6	2	Partial capture
08-16 10:50	20m	-7 / -	RW4HBD	- / -	4	✓ Closing fragment
08-16 10:49	20m	-2 / -	IV3GTH	- / -27	2	Partial capture
08-16 10:48	20m	-2 / -	RG4H	- / -	2	✓ Closing fragment
08-16 10:44	20m	- / +8	OE4RGC	-2 / -	2	Partial capture
08-16 10:44	20m	-6 / +1	SP2KW	-4 / +4	3	Partial capture
08-16 10:42	20m	-10 / -4	S51RU	-16 / +8	4	✓ Full exchange observed
08-16 10:41	20m	0 / -	HG9FS	- / -2	2	✓ Closing fragment
08-16 10:36	20m	0 / -	OE1PEW	-12 / -1	3	Partial capture
08-16 10:34	20m	0 / -	PD1HPB	-14 / -	3	✓ Closing observed
08-16 10:33	20m	-4 / -	R3QR	- / 0	2	✓ Closing fragment
08-16 10:30	20m	-3 / -	EB2BQE	- / -6	4	✓ Closing fragment
08-16 10:27	20m	-6 / -4	DL3RAJ	-7 / -3	11	✓ Full exchange observed
08-16 10:26	20m	0 / -	DL5ASK	-8 / +9	4	✓ Full exchange observed
08-16 10:24	20m	+5 / -	DB1EF	-24 / -1	2	Partial capture
08-16 10:23	20m	+4 / -	RA4CEH	- / -18	2	✓ Closing fragment
08-16 10:22	20m	-6 / -	RU6FK	- / -1	2	✓ Closing fragment
08-16 10:19	20m	-2 / -	R6ZAA	- / -4	2	Partial capture
08-16 10:18	20m	-7 / +8	OK1UOZ	-5 / +10	10	✓ Full exchange observed
08-16 10:17	20m	-4 / -	IW5ALZ	- / -24	2	✓ Closing fragment
08-16 10:15	20m	-6 / -	3Z6O	-10 / -6	4	✓ Closing observed
08-16 10:13	20m	0 / -	F4LJG	- / -22	2	Partial capture
08-16 10:12	20m	+1 / -	BI4KVT	- / -16	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

10m

UTC    dB Audio  Message
082215  -1 2943  R50RKZ RT6Z R-09
082215 -18 1382  R50RKZ IZ5HEV JN53 (x2)
082245  +0 2942  R50RKZ RT6Z R-10
085645  -2 2435  R50RKZ I8OHQ +01 (x5)
100315 -17 1094  R50RKZ CT3MD IM13 (x2)
124945 -16 2295  R50RKZ M0BEW -12
125215 -17 1189  R50RKZ PA3AGN 73
125945 -11 2294  R50RKZ M0BEW -05 (x2)

20m

UTC    dB Audio  Message
115330  -1  926  CQ R50RKZ KO91 (x6)
115615  -6 2770  R50RKZ RL6MT LN08
115700  -1  926  RL6MT R50RKZ +06
115715  -7 2770  R50RKZ RL6MT R-01
115730  -1  926  RL6MT R50RKZ RR73
115745 -10 2770  R50RKZ RL6MT 73
115800  +0  926  CQ R50RKZ KO91
115830  +1  926  DL3JJ R50RKZ +00 (x2)
115930  +2  926  CQ R50RKZ KO91

40m

UTC    dB Audio  Message
232630  -4 2223  CQ R50RKZ KO91 (x15)

80m

UTC    dB Audio  Message
230300 +18 1567  CQ R50RKZ KO91
230315 +15 1449  R50RKZ SQ8GBG KN09
230330 +15 1567  SQ8GBG R50RKZ +14
230345 +11 1449  R50RKZ SQ8GBG R-02
230400  -2 1567  SQ8GBG R50RKZ RR73
230415 +14 1449  R50RKZ SQ8GBG 73
230430  -4 1567  CQ R50RKZ KO91 (x4)
230945  +5 1670  R50RKZ OM0MR KN09 (x5)

160m

UTC    dB Audio  Message
220130 +10 2251  CQ R50RKZ KO91 (x9)
230730  +5 1564  EA2B R50RKZ -14 (x4)
230930  +7 1564  CQ R50RKZ KO91
231015 -12 1468  R50RKZ R8CA MO06

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.