R5MA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO98

Receiver-side FT8 activity involving R5MA, decoded by SO8OO in southeastern Poland. 447 related FT8 messages, 160 CQ messages, observed on 80m, 40m, 20m, 10m, across 47 UTC dates. Heard between 2026-05-22 and 2026-08-20.

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

447

Related messages

160

CQ messages

UTC dates heard

-11 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-22
Last seen: 2026-08-20 15:19 UTC

Frequent QSO partners observed at SO8OO

Stations R5MA worked most often, as logged from our receiver:

UI5A · European Russia ×2 R2EA/P · European Russia ×2 PV8AJ · Brazil ×2 RZ6CO · European Russia ×2 TT1GD · Chad BH5HIE · China RQ3P · European Russia R3XS · European Russia RA3ZGT · European Russia R3DFU · European Russia R2SL · European Russia RU1AB · European Russia

Activity Heatmap

Locator transmitted by R5MA

Approximate centre of KO98, decoded 2026-08-20 11:39 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	R5MA S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-20 13:31	20m	-14 / -17	R4AGO	-6 / -10	3	✓ Full exchange observed
08-20 11:33	20m	-4 / -	R9UCI	- / -10	3	✓ Closing fragment
08-20 11:28	20m	-13 / -	RW0IM	- / -	3	Partial capture
08-20 11:25	20m	-8 / -	R9FDE/P	- / -11	3	Partial capture
08-15 07:40	20m	- / -	R2GFD	-19 / -	3	Partial capture
08-15 07:10	20m	- / -12	UA4FKT	-8 / -	3	✓ Closing fragment
08-13 18:34	80m	-18 / -19	R6NA	+13 / -7	7	✓ Full exchange observed
08-13 18:26	80m	-24 / -9	RM5F	+3 / -	4	✓ Closing observed
08-13 09:59	10m	- / -3	S51UN	-19 / -	3	Partial capture
08-06 16:05	40m	-18 / -	R4SCB	- / -	2	✓ Closing fragment
08-06 15:58	40m	- / -1	RC6OD	-12 / -	2	✓ Closing fragment
08-06 02:49	40m	-17 / -	PV8AJ	- / -14	2	✓ Closing fragment
08-06 02:46	40m	-12 / -	LW1DZ	- / -16	3	✓ Closing fragment
08-06 02:43	40m	-14 / -	LU1AW	- / -14	3	Partial capture
08-05 18:18	40m	-14 / -8	RC6OZ	-11 / -8	5	✓ Full exchange observed
08-05 18:16	40m	-15 / -	R3RAQ	- / -3	4	✓ Closing fragment
08-02 17:42	40m	- / -	RW6HPS	-18 / -	3	✓ Closing fragment
08-02 17:41	40m	-18 / -	RU1QD	- / 0	3	✓ Closing fragment
08-02 17:34	40m	-18 / -	RA3PGR	- / +8	2	Partial capture
08-02 17:31	40m	-20 / -	RC2N	- / +10	2	✓ Closing fragment
08-02 17:19	40m	-16 / -	SP2NBH	-23 / -6	3	✓ Closing observed
08-02 17:18	40m	-14 / -	ZL1VAH	- / -	5	✓ Closing fragment
08-02 17:17	40m	-14 / -	UB4CKD	-23 / +6	3	✓ Closing observed
08-02 17:05	40m	- / -11	RA3ZGT	-1 / -	3	✓ Closing fragment
08-02 15:38	20m	-14 / -	DL4GHS	- / -13	2	✓ Closing fragment
08-01 17:53	40m	-17 / -7	RQ3P	-23 / -	2	✓ Closing observed
08-01 17:51	40m	-18 / -	R2GFD	- / +5	2	✓ Closing fragment
08-01 17:50	40m	-19 / -	UA9XL	- / -	2	✓ Closing fragment
08-01 17:46	40m	-19 / -	RA4CPA	- / 0	2	Partial capture
07-28 19:05	40m	-12 / -	RN3YN	- / -	2	✓ Closing fragment
07-28 18:49	40m	-18 / -	R2HB	- / -14	2	✓ Closing fragment
07-28 18:47	40m	-17 / -	SV1ENG	- / -7	2	✓ Closing fragment
07-28 18:46	40m	-16 / +2	HA3YA	-13 / -21	3	✓ Full exchange observed
07-25 17:57	40m	-16 / -	R6DZO	- / -16	2	✓ Closing fragment
07-25 17:52	40m	-23 / -	UA9ZZ	- / -8	3	Partial capture
07-25 17:48	40m	- / 0	R2SL	-2 / -	2	✓ Closing fragment
07-25 17:11	40m	- / -8	RU7KQ	-18 / -	3	✓ Closing fragment
07-25 01:31	40m	-21 / -	CX8FB	- / -	4	✓ Closing fragment
07-25 01:27	40m	-18 / -	OA4ENG	- / -14	4	✓ Closing fragment
07-25 01:26	40m	-16 / -	PV8AJ	- / -16	2	✓ Closing fragment
07-25 01:25	40m	-19 / -	RG6ZF	-20 / -	3	Partial capture
07-25 01:22	40m	-22 / +8	TK5K	-17 / +1	6	✓ Full exchange observed
07-25 01:19	40m	-20 / -	VP5G	- / -	2	Partial capture
07-25 01:17	40m	-20 / -	HI8JCD	- / -	3	Partial capture
07-25 01:13	40m	-15 / -	TJ1GD/P	- / -15	3	✓ Closing fragment
07-23 15:24	20m	- / -8	RZ6CO	-18 / -	2	✓ Closing fragment
07-18 18:24	40m	- / -6	SV1BLD	-5 / -	3	✓ Closing fragment
07-18 18:12	40m	- / -13	UA6AAW	-12 / -	2	✓ Closing fragment
07-18 07:03	10m	- / -	R6LKG	-13 / -	3	Partial capture
07-18 07:00	10m	- / +10	RV6BT	-13 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
183015 -23 1951  CQ R5MA KO98 (x6)
183415 -18 1950  R6NA R5MA -07
183430 +14 2736  R5MA R6NA KN97
183445 -18 1951  R6NA R5MA -08
183500 +11 2735  R5MA R6NA R-19 (x4)
183730 -21 1950  R5MA UA3PTY KO84
171930 -17 2047  R5MA RL3F RR73

20m

UTC    dB Audio  Message
112800 -17 1818  RW0IM R5MA KO98 (x3)
113230 -11 1815  CQ R5MA KO98 (x2)
113330  -2 1814  R9UCI R5MA -10 (x3)
113500  -7 1814  SP5CUK R5MA +07
113645 -20 1814  R5MA SM3ULU R-23
113830 -17 1812  CQ R5MA KO98 (x2)
133145 -14 1813  R4AGO R5MA -10
133230  -4 1992  R5MA R4AGO R-17 (x2)

10m

UTC    dB Audio  Message
070045  -9 2384  R5MA EA3E 73
070115 -11 1333  R5MA RV6BT R+10 (x2)
070245 -13 1668  R5MA RD7LC RR73
070345 -13  248  R5MA R6LKG LN07 (x3)
070445 -12 1668  R5MA RN6MA -03
071045 -17 1179  R5MA RA6OF 73
142600 -17 1169  R5MA RK6MC RR73
070215 -23 1494  R5MA RZ3ZY KO90
070245 -21 2110  R5MA RZ6CO RR73
095915 -17 2022  R5MA S51UN JN75 (x3)

40m

UTC    dB Audio  Message
024700 -11 1832  LW1DZ R5MA 73
024915 -17 1831  PV8AJ R5MA R-14 (x2)
155830 -13  831  R5MA RC6OD -01 (x2)
160545 -17 1980  R4SCB R5MA +13 (x2)
160645 -14 1980  CQ R5MA KO98
160745 -18 1980  RX9WM R5MA RR73
160845 -20 1980  CQ R5MA KO98 (x4)
162415 -24 1732  UB8CQC/P R5MA KO98
022200  -8  924  R5MA P40AA RR73

Decoder S/N history by band

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