UA3PTK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO93

Receiver-side FT8 activity involving UA3PTK, decoded by SO8OO in southeastern Poland. 786 related FT8 messages, 279 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 56 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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

786

Related messages

279

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-05-25
Last seen: 2026-08-23 13:38 UTC

Frequent QSO partners observed at SO8OO

Stations UA3PTK worked most often, as logged from our receiver:

UB3LBU · European Russia ×6 R2SN · European Russia ×5 R2AKN · European Russia ×4 US1EA · Ukraine ×3 RD3AD · European Russia ×2 RA1OW · European Russia ×2 R1TET · European Russia ×2 RN1QK · European Russia ×2 RA3SO · European Russia ×2 R90PNR · European Russia ×2 RK4FH · European Russia ×2 R2ZR · European Russia ×2

Activity Heatmap

Locator transmitted by UA3PTK

Approximate centre of KO93, decoded 2026-08-23 15:34 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	UA3PTK S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 15:35	40m	-5 / -	RA3PDL	-10 / +4	8	✓ Full exchange observed
08-23 15:35	40m	-3 / -	OH3GBW	- / -18	2	✓ Closing fragment
08-23 15:28	40m	-9 / -	R5GG	- / -	3	✓ Closing fragment
08-23 15:25	40m	+1 / -	RW4CCW	- / -1	3	✓ Closing fragment
08-23 14:57	40m	-14 / -	UB4HVI	- / -	3	Partial capture
08-23 14:47	40m	-12 / 0	RA3SO	-15 / -	5	✓ Full exchange observed
08-23 14:33	40m	-20 / -	R4SB	- / -6	2	Partial capture
08-23 14:32	40m	-20 / -	R9OON	- / -9	3	✓ Closing fragment
08-22 20:55	160m	-16 / -19	R3PA	-14 / +1	5	✓ Full exchange observed
08-22 20:53	160m	-8 / -	SM2OTU	- / -19	4	✓ Closing fragment
08-21 19:29	80m	-4 / -	RY3F	+4 / -	4	✓ Full exchange observed
08-21 19:27	80m	-3 / -	R4FV	- / -	2	Partial capture
08-21 19:25	80m	-4 / +9	R3DEE	-23 / -2	4	✓ Full exchange observed
08-21 19:16	160m	-7 / -14	RA6ATZ	-14 / -14	8	✓ Full exchange observed
08-21 19:16	160m	-10 / -15	US1EA	-12 / -15	6	✓ Full exchange observed
08-21 19:13	160m	-12 / -	R1MA	-17 / -	5	✓ Closing observed
08-21 19:13	160m	-12 / -10	UB3LBU	-12 / -10	6	✓ Full exchange observed
08-21 19:08	160m	-15 / -	RD3AD	-23 / -2	4	✓ Closing observed
08-21 18:36	40m	-10 / -	R1BRZ	- / -	2	Partial capture
08-21 18:33	40m	-7 / -6	R3KMI	-11 / -1	5	✓ Closing observed
08-21 18:28	40m	+1 / -	R1CBW	- / -1	3	✓ Closing fragment
08-21 15:44	40m	-11 / +2	RA6MQ	-6 / +7	5	✓ Full exchange observed
08-21 15:42	40m	-12 / -	RW6AU	- / +5	3	✓ Closing fragment
08-21 15:40	40m	-4 / -	R6LFO	-8 / -	4	✓ Closing observed
08-20 19:34	40m	0 / -	RA4CEH	-15 / 0	4	✓ Closing observed
08-20 19:29	40m	+2 / -	R6DOB/M	- / -14	2	Partial capture
08-20 18:58	80m	-10 / -4	R2SCS	-13 / -	5	✓ Full exchange observed
08-20 18:55	80m	-5 / -3	R5AV	-2 / -	5	✓ Full exchange observed
08-20 18:53	80m	-8 / +7	RM3TO	-11 / -	5	✓ Full exchange observed
08-20 18:45	40m	-4 / -	RX7KIR	- / +3	2	Partial capture
08-20 18:45	40m	-3 / -5	R2SN	+4 / -	7	✓ Full exchange observed
08-20 18:44	40m	-1 / -	R8LCI	-9 / -7	4	✓ Closing observed
08-20 18:38	40m	0 / -3	DL6ZOG	+1 / -7	5	✓ Full exchange observed
08-20 18:36	40m	-4 / -4	UB5O/M	-15 / -13	3	Partial capture
08-19 19:50	160m	-8 / -14	SP6AXW	+7 / -6	10	✓ Full exchange observed
08-19 19:49	160m	-6 / +3	R2SN	-12 / -	5	✓ Full exchange observed
08-19 19:49	160m	-10 / -	R3DFE/M	- / -	2	Partial capture
08-19 19:45	160m	-12 / -	R3TKN	-8 / -	5	✓ Full exchange observed
08-19 19:36	80m	-7 / -1	UA1OJL	-24 / -7	5	✓ Full exchange observed
08-19 19:33	80m	-4 / -11	IK6GPZ	+4 / -9	11	✓ Full exchange observed
08-19 19:28	80m	-4 / -	ON7KEI	- / -17	3	✓ Closing fragment
08-19 19:27	80m	-6 / -	RQ3D	-24 / -2	4	✓ Closing observed
08-19 19:23	80m	+2 / -	R6NA	+12 / +6	5	✓ Closing observed
08-19 18:58	160m	-11 / +2	RA1WU	-7 / -	3	✓ Closing observed
08-19 18:46	80m	+2 / -4	UB1AHX	-4 / +2	5	✓ Full exchange observed
08-19 18:41	80m	-1 / -	RA4HPQ	- / -11	2	✓ Closing fragment
08-19 18:36	80m	+2 / +2	UB3LBU	-14 / -	3	✓ Full exchange observed
08-19 18:35	80m	+3 / -2	R3DBX	-1 / -	4	✓ Full exchange observed
08-18 19:28	160m	-16 / -11	R9SAP	-13 / -9	4	✓ Full exchange observed
08-18 18:50	40m	-14 / -	R4CHN	- / +7	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
152830 -11  952  R5GG UA3PTK R+13 (x2)
153345  -3  953  CQ UA3PTK KO93 (x3)
153515  -4  952  OH3GBW UA3PTK -18
153530  -9  952  UA3PTK RA3PDL KO85
153545  -2  951  OH3GBW UA3PTK RR73
153615  -5  951  RA3PDL UA3PTK +04 (x4)
153800 -11  951  UA3PTK RA3PDL R+12
153815  -6  951  RA3PDL UA3PTK RR73
153830 -10  951  UA3PTK RA3PDL 73

160m

UTC    dB Audio  Message
191930  -6 1309  RA6ATZ UA3PTK -14
191945 -12 2037  UA3PTK RA6ATZ R-14
192000  -6 1309  RA6ATZ UA3PTK RR73
192015 -13 2037  UA3PTK RA6ATZ 73
192130  -9 1309  CQ UA3PTK KO93 (x2)
205345  -8 2494  SM2OTU UA3PTK KO93 (x4)
205545 -13 1706  R3PA UA3PTK KO93
205600 -16 1707  UA3PTK R3PA -19
205615 -18 1707  R3PA UA3PTK R+01
205630 -13 1707  UA3PTK R3PA RR73
205645 -18 1706  R3PA UA3PTK 73

80m

UTC    dB Audio  Message
185915 -12 1803  UA3PTK R2SCS R-04
185930 -10 1803  R2SCS UA3PTK RR73
185945 -11 1803  UA3PTK R2SCS 73
190100  -9 1803  CQ UA3PTK KO93 (x2)
192530 -24 1634  UA3PTK R3DEE +09
192545  -3 1309  R3DEE UA3PTK R-02
192600 -22 1634  UA3PTK R3DEE RR73
192615  -4 1309  R3DEE UA3PTK 73
192715  -4 1309  R4FV UA3PTK KO93 (x2)
192900  +2 2639  UA3PTK RY3F +12
192915  -3 1309  RY3F UA3PTK R+16
192930  +7 2638  UA3PTK RY3F RR73
192945  -4 1309  RY3F UA3PTK 73

10m

UTC    dB Audio  Message
094930  -8 2205  UA3PTK R6DOB -02
094945 -11 1640  R6DOB UA3PTK R+02
095045 -12 1638  RA3SK UA3PTK KO93 (x2)
095345  -7 1638  CQ UA3PTK KO93 (x2)
095545 -14 1636  YO8RXO UA3PTK -20 (x4)
095900 -21 1697  UA3PTK UD7G -13
074200  +1 2262  UA3PTK RQ7R -13 (x2)
185700  +0 1475  UA3PTK R7NO +09 (x2)

20m

UTC    dB Audio  Message
101345  -6  454  UA3PTK UA4COA RRR
103100 -22 1833  UA3PTK F5IXN JN23
103100  -8  587  UA3PTK RZ7KR -11 (x3)
074600 -23 2159  UA3PTK RA1TR -16 (x2)

Decoder S/N history by band

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