UR5KC — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Locator transmitted in a decoded message: KO30

Receiver-side FT8 activity involving UR5KC, decoded by SO8OO in southeastern Poland. 709 related FT8 messages, 103 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 37 UTC dates. Heard between 2026-05-25 and 2026-08-23.

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

709

Related messages

103

CQ messages

UTC dates heard

-3 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m 160m

First seen: 2026-05-25
Last seen: 2026-08-23 15:47 UTC

Frequent QSO partners observed at SO8OO

Stations UR5KC worked most often, as logged from our receiver:

DK7ZT · Fed. Rep. of Germany ×3 M0BEW · England ×2 IQ4JO · Italy ×2 HA7TM · Hungary ×2 LB6LK · Norway ×2 OM2WQ · Slovak Republic ×2 UX0QT · Ukraine ×2 G7RAU · England ×2 F1PBZ · France ×2 US2YW · Ukraine ×2 DL3MIB · Fed. Rep. of Germany ×2 DL9KM · Fed. Rep. of Germany ×2

Activity Heatmap

Locator transmitted by UR5KC

Approximate centre of KO30, decoded 2026-08-23 17:45 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	UR5KC S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 17:45	80m	+12 / +1	UT7IA	+11 / +3	7	✓ Full exchange observed
08-23 17:44	80m	+11 / 0	HF5A	+14 / -5	5	✓ Full exchange observed
08-23 17:43	80m	+8 / +1	HA3KU	-10 / -5	4	✓ Full exchange observed
08-23 17:41	80m	+15 / +3	LY3BRA	+15 / 0	5	✓ Full exchange observed
08-23 11:45	20m	- / -	R2AL	-11 / -	3	Partial capture
08-23 11:39	20m	- / -	R2AL	-8 / -	2	Partial capture
08-22 19:06	80m	- / -	UA4FKT	+13 / -	3	Partial capture
08-22 19:04	80m	+21 / -	LB6LK	- / -16	5	✓ Closing fragment
08-21 21:33	20m	-7 / -9	EN35UKR	-1 / -	2	Partial capture
08-21 20:54	40m	+5 / -	HV0KO	- / -	4	Partial capture
08-21 20:52	40m	+8 / -	GW4HZA	- / -11	2	Partial capture
08-21 20:50	40m	+7 / -5	EN35UKR	+3 / -2	3	Partial capture
08-21 20:42	80m	+10 / +1	UX7BM	+8 / +1	5	✓ Full exchange observed
08-21 20:37	80m	+7 / -	F5NNN	-20 / -15	4	✓ Closing observed
08-21 20:36	80m	+10 / -	JA5AQC	- / -	2	Partial capture
08-21 20:34	80m	+11 / +5	OE6LQD	-6 / -12	6	✓ Full exchange observed
08-21 20:33	80m	+6 / -	9H5SN	- / -	2	Partial capture
08-21 20:23	80m	+15 / -	F8FUA	- / -12	3	✓ Closing fragment
08-21 20:18	80m	+11 / +1	UR5NPF	+8 / -2	5	✓ Full exchange observed
08-21 20:17	80m	+11 / -13	JH4IFF	-14 / -12	5	✓ Full exchange observed
08-21 20:14	80m	+8 / -	JF4VZT	- / -15	2	Partial capture
08-21 20:13	80m	+10 / -	UN9FF	- / -16	3	✓ Closing fragment
08-21 20:11	80m	+13 / -	JA9APS	- / -18	3	✓ Closing fragment
08-21 20:10	80m	+11 / -	JF1FSR	-14 / -12	4	✓ Closing observed
08-20 19:14	40m	0 / -3	SP6FME	-9 / -10	3	✓ Full exchange observed
08-20 19:12	40m	0 / -	MM3RCR	- / -15	5	✓ Closing fragment
08-20 19:10	40m	+4 / -	TA1EV	- / -12	3	✓ Closing fragment
08-20 19:07	40m	+4 / -5	EN35UKR	0 / -11	4	Partial capture
08-20 19:02	80m	+15 / -6	IU6KKW	-8 / -11	5	✓ Full exchange observed
08-20 19:00	80m	+15 / -	DJ0SO	- / -	3	Partial capture
08-20 18:58	80m	+13 / -3	HA3GO	+9 / -3	5	✓ Full exchange observed
08-20 18:57	80m	+14 / -7	HF9T	-9 / -10	4	✓ Full exchange observed
08-20 18:54	80m	+13 / -7	OK1DBE	-4 / -12	3	✓ Full exchange observed
08-20 18:53	80m	- / -	UA4FKT	+4 / -	4	Partial capture
08-20 18:50	80m	0 / -	HA1DUQ	- / -	2	Partial capture
08-19 19:32	80m	+12 / -	2I0WAI	- / -21	5	Partial capture
08-19 19:30	80m	+13 / -	HA8RC	+4 / -2	5	✓ Full exchange observed
08-19 19:28	80m	+8 / -9	LY8O	+2 / 0	4	✓ Full exchange observed
08-19 19:27	80m	- / -	UA4FKT	-2 / -	2	Partial capture
08-19 19:26	80m	+18 / -	DB100FT	- / -11	2	Partial capture
08-19 03:25	40m	- / -	F4IIX	-20 / -	2	Partial capture
08-19 03:17	80m	+12 / -2	EA3AKY	+3 / -8	4	✓ Full exchange observed
08-19 03:15	80m	+16 / -3	IK4LZH	+10 / -3	6	✓ Full exchange observed
08-19 03:14	80m	+14 / 0	HA7TM	+11 / +3	5	✓ Full exchange observed
08-19 03:12	80m	+14 / -2	OE5DML	+3 / -4	4	✓ Full exchange observed
08-19 03:12	80m	+19 / 0	DL9KM	+6 / -4	7	✓ Full exchange observed
08-19 03:05	80m	+18 / -	KY4WI	- / -	11	Partial capture
08-19 02:58	80m	+20 / -4	DO1FFO	-24 / -5	3	✓ Full exchange observed
08-19 02:56	80m	+9 / -4	MM0KQC	-17 / -	3	✓ Closing observed
08-19 02:55	80m	+14 / 0	UY5AX	-8 / -8	4	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
174345  +7 1730  HA3KU UR5KC R-05
174400 -10 1730  UR5KC HA3KU RR73
174415  +8 1730  HA3KU UR5KC 73
174430 +14 2488  UR5KC HF5A JO92
174445  +8 1730  HF5A UR5KC -05
174500 +14 2488  UR5KC HF5A R+00
174515 +14 1730  HF5A UR5KC RR73
174530 +15 2488  UR5KC HF5A 73
174545 +13 1730  UT7IA UR5KC KO30
174600 +13 2209  UR5KC UT7IA +01
174615 +12 1730  UT7IA UR5KC R+03
174630 +12 2209  UR5KC UT7IA RR73
174645 +11 1730  UT7IA UR5KC 73
174700  +9 2209  UR5KC UT7IA KN88 (x2)

10m

UTC    dB Audio  Message
170430  -1 2635  UR5KC F1PBZ +04
170730 -18 1290  UR5KC DH1GKS JN38 (x3)
193800 -11 2599  UR5KC CE2SV RR73
194745  -7  968  UR5KC CT3MD IM13 (x3)
155315 -20 1848  UR5KC F4FSY -01 (x2)
160215 -15  935  UR5KC M0BEW -13 (x2)
161415  -4 2744  UR5KC LZ2FH 73
183100 -22 1562  UR5KC F6FDY RR73
140745 -16 1044  UR5KC F4LEM JN37

20m

UTC    dB Audio  Message
174300 -22 1675  UR5KC YO5PHL R-02
175030 -11 1400  UR5KC DL8YBL JO31 (x4)
213330  -7 1010  EN35UKR UR5KC KO30
213345  -1 1013  UR5KC EN35UKR -09
213545 -19 2027  UR5KC ZZ2DX -19
213915 -13 1816  HK3AB UR5KC KO30
113915 -11 1998  UR5KC R2AL KO85 (x2)
114500 -11 2330  JH4MGU UR5KC 73
114545 -10 1998  UR5KC R2AL KO85 (x3)

40m

UTC    dB Audio  Message
191330  +0 1687  MM3RCR UR5KC R-15 (x2)
191430  +1 1686  SP6FME UR5KC -10
191445  -9 1687  UR5KC SP6FME R-03
191500  -1 1687  SP6FME UR5KC RR73
204945  +6 1343  II7MGBR UR5KC KO30
205045  +8  985  <EN35UKR> UR5KC KO30
205100  +3  983  UR5KC EN35UKR -05
205115  +6  985  EN35UKR UR5KC R-02
205245  +8  792  GW4HZA UR5KC KO30 (x2)
205400  +4  792  HV0KO UR5KC KO30 (x4)

160m

UTC    dB Audio  Message
211430  -9 1726  C31CT UR5KC KO30 (x2)
211630  +1 1537  DB8WK UR5KC KO30
211700  -1 1537  C31CT UR5KC KO30 (x2)
211745  -8 2003  UR5KC C31CT -16
211800  -3 2001  C31CT UR5KC R-17
211815 -13 2003  UR5KC C31CT RR73
211830  -7 2001  C31CT UR5KC 73
212000  +2  938  IW5BHY UR5KC KO30 (x2)
212115  -1  932  UR5KC IW5BHY -11
212130  -1  938  IW5BHY UR5KC R-15
212145  -2  932  UR5KC IW5BHY RR73
212200  -4  938  IW5BHY UR5KC 73

60m

UTC    dB Audio  Message
194215  -2 1804  OJ0YL UR5KC KO30
194430  +4 1859  CT7AIU UR5KC KO30 (x3)
194600  +0 1859  SV8GXC UR5KC KO30 (x2)
194645  -2  478  UR5KC SV8GXC RR73
194700  +7 1859  SV8GXC UR5KC 73
194845  +4 1859  OJ0YL UR5KC KO30 (x7)

Decoder S/N history by band

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