SP5DFK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: JO82

Receiver-side FT8 activity involving SP5DFK, decoded by SO8OO in southeastern Poland. 2,998 related FT8 messages, 12 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 76 UTC dates. Heard between 2026-05-26 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

2,998

Related messages

CQ messages

UTC dates heard

-1 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m

First seen: 2026-05-26
Last seen: 2026-08-23 18:04 UTC

Frequent QSO partners observed at SO8OO

Stations SP5DFK worked most often, as logged from our receiver:

9A5E · Croatia ×12 DO9BAU · Fed. Rep. of Germany ×8 OM5JG · Slovak Republic ×7 LY3BRA · Lithuania ×6 HA7TM · Hungary ×6 HF5A · Poland ×6 IQ0VT · Italy ×6 OK2WMC · Czech Republic ×5 OK1XV · Czech Republic ×5 SP7VCL · Poland ×5 DL5CK · Fed. Rep. of Germany ×5 SP9UPH · Poland ×5

Activity Heatmap

Locator transmitted by SP5DFK

Approximate centre of JO82, decoded 2026-08-23 20:07 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	SP5DFK S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 20:03	80m	+13 / -13	R7CD	+6 / +5	5	✓ Full exchange observed
08-23 20:01	80m	+8 / -	OZ1IVA	- / -9	3	✓ Closing fragment
08-23 19:58	80m	+4 / -17	DL2VN	0 / -	5	✓ Full exchange observed
08-23 19:57	80m	+3 / -5	DK3ME	-3 / +2	6	✓ Full exchange observed
08-23 19:54	80m	+3 / -	SP5ALV	+10 / -	5	✓ Closing observed
08-23 19:52	80m	+2 / -15	DL2VN	-2 / -4	7	✓ Full exchange observed
08-23 19:50	80m	+2 / -16	E75C	+1 / +3	5	✓ Full exchange observed
08-23 19:49	80m	-4 / -11	OE100OEVSV	+2 / -7	3	Partial capture
08-23 19:48	80m	-2 / -	R3QX	- / -	2	Partial capture
08-23 19:37	80m	+1 / -2	SP7MTU	+6 / -	6	✓ Full exchange observed
08-23 19:35	80m	+4 / -19	RK4FH	+5 / +2	4	✓ Full exchange observed
08-23 19:34	80m	+10 / -	IZ8KVW	- / -6	2	✓ Closing fragment
08-23 19:31	80m	+10 / -	IZ8KVW	- / -	2	Partial capture
08-23 19:30	80m	+1 / +1	SQ5WN	+3 / -	5	✓ Full exchange observed
08-23 19:27	80m	- / +5	SP5JET	-3 / -	3	✓ Closing fragment
08-23 19:23	80m	-1 / -19	SP1905MFK	+3 / -	3	Partial capture
08-23 19:21	80m	0 / -	DJ0ABM	- / -8	4	✓ Closing fragment
08-23 19:20	80m	0 / -15	UR5NPF	+8 / +5	5	✓ Full exchange observed
08-23 19:18	80m	- / -	HA5LB	-14 / -	2	Partial capture
08-23 19:18	80m	+2 / -	<...>	+5 / +3	4	Partial capture
08-23 19:18	80m	-1 / -4	SQ1QAT	-15 / -7	4	✓ Full exchange observed
08-23 19:07	80m	-7 / 0	SP2AA	-4 / -7	5	✓ Full exchange observed
08-23 19:05	80m	+8 / -9	SP9UPH	+21 / +8	5	✓ Full exchange observed
08-23 18:59	80m	+7 / -	SP7SZJ	- / -	2	Partial capture
08-23 18:58	80m	+8 / +6	SO8DAN	+17 / +9	7	✓ Full exchange observed
08-23 18:55	80m	- / -2	SP3BVI	+1 / -	3	✓ Closing fragment
08-23 18:53	80m	-2 / -5	R1530IG	0 / -2	3	Partial capture
08-23 18:48	80m	-7 / -10	SP1BMK	+4 / -6	8	✓ Full exchange observed
08-23 18:46	80m	-4 / -21	R5ACQ	0 / -7	3	✓ Full exchange observed
08-23 18:38	60m	-17 / -6	SP9DB	-6 / -	4	✓ Closing observed
08-23 15:06	10m	- / -12	SV2JAO	-12 / -	2	✓ Closing fragment
08-23 13:12	10m	- / -15	LZ1EV	-2 / -	2	Partial capture
08-22 20:13	80m	+1 / -1	<...>	+3 / +4	3	Partial capture
08-22 20:12	80m	+4 / +3	OK1GK	+4 / 0	5	✓ Full exchange observed
08-22 20:09	80m	+3 / 0	SQ5EKY	-1 / +4	5	✓ Full exchange observed
08-22 20:05	60m	- / -11	OE6HLF	-6 / -	2	✓ Closing fragment
08-22 20:00	60m	-16 / -14	OM5JG	+5 / +9	4	✓ Full exchange observed
08-22 19:55	60m	- / -18	DF6QN	-4 / -	2	✓ Closing fragment
08-22 19:50	60m	-13 / -17	DG4BZ	-8 / -19	4	Partial capture
08-22 19:47	60m	-12 / -	SP9DB	- / -8	3	✓ Closing fragment
08-22 19:46	60m	-11 / -	IV3FSG	- / -	2	Partial capture
08-22 18:07	40m	-6 / -	RK6OQ	- / -	2	Partial capture
08-22 18:04	40m	-16 / -	R5ZQ	- / -	3	Partial capture
08-22 18:02	40m	-14 / -18	UT0UE	+3 / -	3	✓ Closing observed
08-22 17:55	40m	-18 / -14	ON4AOI	+3 / 0	7	✓ Full exchange observed
08-22 17:45	40m	-10 / -21	RA9CUU	-8 / -11	3	Partial capture
08-22 17:40	40m	-13 / -14	HA1LS	-7 / +1	3	✓ Full exchange observed
08-22 17:34	40m	-12 / -17	OK1VCB	-4 / -	3	✓ Closing observed
08-22 17:27	60m	- / -22	LY3BRA	0 / -	2	✓ Closing fragment
08-22 17:22	60m	-17 / -4	SP8AWL	+6 / -	3	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
200015  -3 1814  SP5DFK DK3ME RR73
200030  +0 1809  DK3ME SP5DFK 73
200130  +3 1449  OZ1IVA SP5DFK JO82 (x3)
200300  +7 2248  OM7TJ SP5DFK JO82
200330  +9 1181  R7CD SP5DFK JO82
200345  +3 1182  SP5DFK R7CD -13
200400 +11 1181  R7CD SP5DFK R+05
200415 +10 1182  SP5DFK R7CD RR73
200430 +18 1181  R7CD SP5DFK 73
200530 +13 1203  UB3BGN SP5DFK JO82
200600  +4 2149  YT7DX SP5DFK JO82
200630  +6 2198  DO9BAU SP5DFK JO82
200715  -4 1007  SP4WJ SP5DFK JO82

60m

UTC    dB Audio  Message
195930  -9  866  ER5GB SP5DFK JO82
200000 -16  820  SP5GOF SP5DFK JO82
200030 -18 1197  OM5JG SP5DFK JO82
200045  +4 1200  SP5DFK OM5JG -14
200100 -15 1197  OM5JG SP5DFK R+09
200115  +6 1200  SP5DFK OM5JG RR73
200515  -4 1294  SP5DFK OE6HLF -11 (x2)
200700 -15  820  SP5GOF SP5DFK JO82
200730 -14  866  ER5GB SP5DFK JO82
183600 -23 1896  I/DH3YAK SP5DFK JO82
183815  -6 1034  SP5DFK SP9DB -06 (x3)
183930 -17 1033  SP9DB SP5DFK 73

40m

UTC    dB Audio  Message
175800 -18 2103  ON4AOI SP5DFK R+00
175815  +3 2108  SP5DFK ON4AOI RR73
175830 -17 2103  ON4AOI SP5DFK 73
180130 -17 2217  R5ZQ SP5DFK JO82
180230 -14 1678  UT0UE SP5DFK JO82
180245  -2 1681  SP5DFK UT0UE -18 (x2)
180400 -20 2217  R5ZQ SP5DFK JO82 (x3)
180745  -4  675  RK6OQ SP5DFK JO82 (x2)
181515 -12 1697  HB9IOB SP5DFK JO82
182145 -18 1951  R1DM SP5DFK JO82
182315 -15  944  R6DZR SP5DFK JO82

10m

UTC    dB Audio  Message
084230 -15  765  SP5DFK UR5VPR -15 (x2)
084400 -23 1647  SP5DFK F5RMK -12
094300 -18 1405  SP5DFK RZ6AOJ -12 (x2)
094945 -15 1012  SP5DFK EN35UKR -18
140530 -18 2101  SP5DFK UT4EO -20 (x2)
141245  -4  842  SP5DFK US0QV RR73
131200  -1 1234  SP5DFK LZ1EV -15 (x2)
131300  +6 1234  SP5DFK RR73; HG8LXL <...> -18
145645  -9 1758  SP5DFK <...> -15
150630 -10 2293  SP5DFK SV2JAO -12 (x2)

20m

UTC    dB Audio  Message
040945  +0 1368  SP5DFK RX6DY -08
041145 -13  696  SP5DFK UA9JGS -14
041315 -14 2268  SP5DFK RA6AVP -16 (x3)
042045  -9  962  SP5DFK RA3AHN RR73
042415  -2  375  SP5DFK RV3QI -07
132445  -5  294  SP5DFK IZ2CPO/QRP -24
132545 -10  294  SP5DFK <...> -24 (x2)
184145  -8  255  SP5DFK 4X1UF -11 (x2)
175700 -10 2087  SP5DFK R3UAX -02 (x2)
145915 -14 2430  SP5DFK R35ARDF R-19

Decoder S/N history by band

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