YL3CW — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Latvia Locator transmitted in a decoded message: KO36

Receiver-side FT8 activity involving YL3CW, decoded by SO8OO in southeastern Poland. 1,336 related FT8 messages, 477 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 55 UTC dates. Heard between 2026-05-27 and 2026-08-21.

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.

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Overview

1,336

Related messages

477

CQ messages

UTC dates heard

-5 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-05-27
Last seen: 2026-08-21 18:12 UTC

Frequent QSO partners observed at SO8OO

Stations YL3CW worked most often, as logged from our receiver:

RV3V · European Russia ×2 UD8S · Asiatic Russia ×2 RT2P · European Russia ×2 RC0AT/P · Asiatic Russia ×2 RA5AK · European Russia ×2 RW6HPS · European Russia ×2 R3PA · European Russia ×2 RA3ZOM · European Russia ×2 ON6LR · Belgium ×2 RY3ACJ · European Russia ×2 RA3THN · European Russia ×2 R3IDH · European Russia ×2

Activity Heatmap

Locator transmitted by YL3CW

Approximate centre of KO36, decoded 2026-08-21 20:11 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	YL3CW S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-21 20:11	80m	- / -	DK5WO	-10 / -	2	Partial capture
08-21 20:09	80m	-4 / -1	DK2AJ	-1 / -	4	✓ Closing observed
08-21 20:08	80m	+1 / +4	LY1DY	+10 / -	3	✓ Closing observed
08-21 20:04	80m	0 / -8	RA6FYL	-13 / -2	6	✓ Full exchange observed
08-21 19:33	160m	0 / +3	SQ9PBV	+4 / -6	5	✓ Full exchange observed
08-21 19:32	160m	- / -	SP6ZC	-4 / -	5	Partial capture
08-21 19:31	160m	0 / -	UA1OJL	- / -11	2	Partial capture
08-21 19:22	80m	-12 / -4	UF4S/P	-7 / -	5	✓ Closing observed
08-20 20:51	80m	- / -11	DK0ACI	-7 / -	3	Partial capture
08-20 20:50	80m	-6 / -	R5VCR	- / -3	2	✓ Closing fragment
08-19 19:02	160m	- / -	DL6EL	-19 / -	3	Partial capture
08-19 19:00	160m	+3 / -	R3DFE/M	- / -5	3	Partial capture
08-18 20:12	160m	-4 / -	R9SAP	-18 / +2	3	✓ Closing observed
08-18 20:09	160m	-1 / +5	SQ2BXI	+13 / -	4	✓ Closing observed
08-18 20:09	160m	0 / -	SP5TWA	-12 / +1	4	✓ Full exchange observed
08-17 11:37	10m	- / -9	UR5EEW	-17 / -	3	✓ Closing fragment
08-16 20:11	40m	-10 / +1	LZ1GC	-12 / -	8	✓ Closing observed
08-16 20:02	40m	-14 / -	BG7MOM	- / -19	2	✓ Closing fragment
08-16 19:59	40m	- / -6	UT3RO	-12 / -	3	✓ Closing fragment
08-16 19:53	40m	- / -13	RA3ZOM	-11 / -	3	Partial capture
08-16 19:37	80m	- / -	DL3XAK	-10 / -	2	Partial capture
08-16 19:32	80m	+1 / -8	HF9T	0 / -20	6	✓ Full exchange observed
08-16 19:32	80m	-5 / +6	RA4FHO	-3 / +5	4	✓ Full exchange observed
08-16 19:29	160m	+4 / -	R2AWD	- / -5	4	✓ Closing fragment
08-16 19:28	160m	- / -	SP2HJN	-12 / -	2	Partial capture
08-16 19:27	160m	- / -18	SP9SOS	-8 / -	2	Partial capture
08-16 19:25	160m	-2 / -	RX3DPK/LH	-5 / +4	3	Partial capture
08-16 19:20	40m	-9 / -	UA2FFD	- / -	5	Partial capture
08-14 20:13	160m	+4 / -	R4ZZ	- / -15	3	✓ Closing fragment
08-14 20:11	160m	+3 / -2	R6DOB/7	-17 / -16	2	Partial capture
08-14 20:09	160m	-1 / -	R0QBB/3	- / -	2	Partial capture
08-14 19:57	160m	+4 / -	RD9FC	- / -	6	Partial capture
08-14 19:53	160m	- / +1	R0QBB/3	+2 / -	2	Partial capture
08-14 19:52	160m	-1 / -10	R4NBV	-12 / -5	5	✓ Full exchange observed
08-14 19:47	160m	+1 / -	RO2E/M	- / -	5	Partial capture
08-14 19:24	160m	+2 / +8	UA3FH	-10 / -4	4	✓ Full exchange observed
08-14 19:22	160m	-3 / -	ON6LR	- / -10	2	✓ Closing fragment
08-14 19:19	160m	-5 / -23	SP5GQ	-8 / +1	7	✓ Full exchange observed
08-14 19:16	160m	+7 / -	RO2E/M	- / -2	2	Partial capture
08-13 20:49	80m	- / -	OZ8XZL	-8 / -	3	Partial capture
08-13 20:46	80m	-2 / -8	DA6SHO	+2 / -10	5	✓ Full exchange observed
08-13 20:45	80m	-3 / -5	PC5H	-2 / -6	4	✓ Full exchange observed
08-13 20:38	80m	-5 / -	JE6EFG	- / -16	3	✓ Closing fragment
08-13 20:28	80m	+2 / -14	DH7ULX	-4 / -14	5	✓ Full exchange observed
08-13 20:27	80m	- / -	OZ8XZL	-10 / -	2	Partial capture
08-13 20:25	80m	-4 / +3	YL3BU	-1 / +2	5	✓ Full exchange observed
08-13 20:25	80m	- / -	EI3CTB	-19 / -	4	Partial capture
08-13 20:21	80m	+6 / -	DO1KDZ	- / -16	2	✓ Closing fragment
08-13 20:12	80m	-2 / -5	ON6LR	-14 / -13	4	✓ Full exchange observed
08-13 20:12	80m	- / -10	F1PBZ	-3 / -	4	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
200545 -13 1605  YL3CW RA6FYL -12
200600  -2 2187  RA6FYL YL3CW R-02 (x2)
200815 +13 2187  YL3CW LY1DY R+04
200830  +1 2187  LY1DY YL3CW RR73
200845  +6 2187  YL3CW LY1DY 73
200915  -1 2187  YL3CW DK2AJ JO51 (x2)
201000  -4 2187  DK2AJ YL3CW RR73
201015  -2 2187  YL3CW DK2AJ 73
201030  +1 2187  CQ YL3CW KO36 (x2)
201115 -12 2424  YL3CW DK5WO JO30
201130  +4 2187  CQ YL3CW KO36
201245  -9 2424  YL3CW DK5WO JO30

160m

UTC    dB Audio  Message
190430 -16 1947  YL3CW DL6EL JN57
193100  -1 2180  UA1OJL YL3CW KO36 (x2)
193215  -4 2109  YL3CW SP6ZC JO80
193230  +1 2180  CQ YL3CW KO36
193245  -7 2109  YL3CW SP6ZC JO80
193300  -1 2180  CQ YL3CW KO36
193315  +5 2042  YL3CW SQ9PBV JN99
193315  -6 2109  YL3CW SP6ZC JO80
193330  +2 2180  SQ9PBV YL3CW -06
193345  +7 2042  YL3CW SQ9PBV R+03
193345  -3 2109  YL3CW SP6ZC JO80
193400  -1 2180  SQ9PBV YL3CW RR73
193415  +0 2042  YL3CW SQ9PBV 73
193415  -2 2109  YL3CW SP6ZC JO80

20m

UTC    dB Audio  Message
045245 -21 1981  YL3CW PD0RCQ JO21 (x3)
050345 -16 1439  YL3CW RV6F LN14
050415  -8 3064  YL3CW PD2WL -04
050415 -19 1438  YL3CW RV6F LN14
050445  -7 3064  YL3CW PD2WL -04
050445 -16 1439  YL3CW RV6F LN14 (x2)
050545  +1 3064  YL3CW PD2WL -04 (x2)
050645 -18 1439  YL3CW RV6F LN14
050645  -2 3064  YL3CW PD2WL -04 (x2)
062630  -2 2691  YL3CW RR73; UA3ZMQ <...> -14

10m

UTC    dB Audio  Message
065730  -9 2437  YL3CW DN9OPA JN38 (x3)
062245 -18 1757  YL3CW RX6LG -05 (x2)
065100 -16 2285  YL3CW R3DMS -19 (x3)
084630 -13 1458  YL3CW UA3VVA +02 (x2)
084930 -18 1099  YL3CW IK5EEA 73
081545 -12 2540  YL3CW F4IDN RR73
113700 -19 1623  YL3CW UR5EEW KN68 (x3)

40m

UTC    dB Audio  Message
201100 -14 1364  YL3CW LZ1GC KN22 (x5)
201345 -13 2296  6K2MAS YL3CW -16
201400 -13 1364  YL3CW LZ1GC KN22
201415 -10 2296  JF1HDY YL3CW -17
201430 -10 1364  YL3CW LZ1GC KN22
201515 -10 2296  LZ1GC YL3CW RR73
201545 -13 2296  CQ YL3CW KO36
201615 -15 2296  OH7JEV YL3CW -09
201815 -11 2295  CQ YL3CW KO36 (x2)
201930 -14 1538  YL3CW PA1GLD RR73

Decoder S/N history by band

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