SP1LON — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: JO73

Receiver-side FT8 activity involving SP1LON, decoded by SO8OO in southeastern Poland. 216 related FT8 messages, 15 CQ messages, observed on 60m, 40m, 20m, 10m, across 43 UTC dates. Heard between 2026-05-25 and 2026-08-22.

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

216

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

20m 40m 10m 60m

First seen: 2026-05-25
Last seen: 2026-08-22 06:47 UTC

Frequent QSO partners observed at SO8OO

Stations SP1LON worked most often, as logged from our receiver:

EA3HKA · Spain HA8RC · Hungary DL5JW · Fed. Rep. of Germany ON3AVT · Belgium E75W · Bosnia-Herzegovina JA0JWQ · Japan PD0U · Netherlands JA0LFV · Japan GW0ARK · Wales PD0LBY · Netherlands N8HRZ · United States LZ1BT · Bulgaria

Activity Heatmap

Locator transmitted by SP1LON

Approximate centre of JO73, decoded 2026-08-23 20:22 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	SP1LON S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 07:05	20m	+2 / -	N8HRZ	- / -14	2	✓ Closing fragment
08-20 16:56	20m	+2 / -6	F5RMK	+2 / -18	5	✓ Full exchange observed
08-18 21:55	60m	+4 / -1	OR7K	-1 / -4	5	✓ Full exchange observed
08-18 21:07	40m	- / -10	GW0ARK	+5 / -	3	✓ Closing fragment
08-18 20:59	40m	-15 / -	GM4CXF	- / -9	2	✓ Closing fragment
08-16 21:04	20m	-7 / +10	F4GRW	-16 / -1	3	✓ Full exchange observed
08-16 21:03	20m	-5 / -	JA4DND	- / -	2	✓ Closing fragment
08-15 18:48	20m	- / -	F5NNN	-10 / -	7	Partial capture
08-14 11:58	10m	- / -6	LZ2IP	-12 / -	4	Partial capture
08-13 22:31	20m	- / -16	VE3ARF	-7 / -	3	✓ Closing fragment
08-13 09:17	10m	- / -16	SV7BAY	-11 / -	3	Partial capture
08-13 09:13	10m	- / -6	SV1CQN	-6 / -	2	✓ Closing fragment
08-12 20:06	60m	-11 / -	HA5AZD	- / -	3	Partial capture
08-12 06:55	20m	- / -6	ON3BEN	-14 / -	2	✓ Closing fragment
08-12 06:16	20m	0 / -	F6IJT	- / -	6	Partial capture
08-11 18:29	10m	- / -16	EA8UP	-5 / -	3	✓ Closing fragment
08-11 18:15	10m	- / 0	IZ7UIU	-13 / -	2	✓ Closing fragment
08-11 11:55	20m	- / -19	<...>	-22 / -	4	Partial capture
08-10 22:19	20m	-4 / -	AJ4OA	- / -11	3	Partial capture
08-10 22:16	20m	-4 / -	KC1TEM	- / -13	4	Partial capture
08-10 22:13	20m	-4 / -	K4KWZ	- / -10	3	Partial capture
08-10 21:53	20m	-1 / -	AB4KK	- / -16	4	Partial capture
08-10 21:51	20m	-2 / -	WD4OOZ	- / -11	2	✓ Closing fragment
08-10 20:31	20m	- / -1	EA3NE	+8 / -	2	Partial capture
08-10 06:53	20m	+3 / -	LA2PIA	- / -12	4	✓ Closing fragment
08-09 21:23	20m	- / -10	VE2JD	-17 / -	3	✓ Closing fragment
08-09 21:14	20m	- / -	EA5HM	-17 / -	2	Partial capture
08-09 21:10	20m	- / -7	<...>	-9 / -	3	Partial capture
08-09 13:53	10m	- / -15	IU2EBR	-7 / -	3	Partial capture
08-09 11:48	10m	- / -14	TA1SW	-23 / -	2	✓ Closing fragment
08-09 11:46	10m	- / 0	IW2NEF	-8 / -	2	✓ Closing fragment
08-09 11:17	10m	- / -12	LZ2VQ	-14 / -	3	✓ Closing fragment
08-07 20:59	20m	- / -7	R4FDW	-18 / -	2	Partial capture
08-06 10:53	10m	- / -15	F1PBZ	+5 / -	2	Partial capture
08-05 22:32	20m	-10 / -	KE9AYZ	- / -	3	Partial capture
08-05 22:26	20m	-8 / -	BI4XDT	- / -	2	Partial capture
08-05 22:14	20m	-11 / -9	N8HRZ	-8 / -	3	Partial capture
08-04 13:42	20m	- / +7	HA8RC	-14 / -	2	✓ Closing fragment
08-03 14:40	20m	- / -11	PD0U	-6 / -	2	✓ Closing fragment
08-01 22:09	20m	- / -14	K4CAE	-5 / -	2	✓ Closing fragment
07-25 17:37	20m	-9 / -	BV2NF	- / -13	7	Partial capture
07-25 11:08	10m	- / -15	ES2AJ	+4 / -	3	Partial capture
07-25 11:06	10m	- / +1	OH3OJ	+6 / -	2	✓ Closing fragment
07-25 11:01	20m	-8 / -11	YL3RK	-3 / -	5	Partial capture
07-23 14:36	20m	-11 / -	F1ODM	- / -	3	Partial capture
07-23 09:46	10m	- / -9	E75W	-8 / -	2	✓ Closing fragment
07-22 16:12	10m	- / -11	IU7VOL	-9 / -	4	✓ Closing fragment
07-22 16:04	20m	0 / -	SP9DAT	- / -	4	Partial capture
07-22 16:03	20m	0 / -	SV2AJX	- / -	2	Partial capture
07-22 07:44	40m	- / -3	OK2UVR	-24 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
185130  -8 1917  SP1LON F5NNN IN94 (x2)
210300  -6 2768  JA4DND SP1LON RR73 (x2)
210430  -7 2768  F4GRW SP1LON -01
210445 -15 1409  SP1LON F4GRW R+10 (x2)
165630  +2 2624  F5RMK SP1LON JO73
165645  -1 1683  SP1LON F5RMK -06
165700  +4 2624  F5RMK SP1LON R-18
165715  +4 1683  SP1LON F5RMK RR73
165730  +1 2624  F5RMK SP1LON 73
070545  +2 2663  N8HRZ SP1LON R-14 (x2)
202230  -4 2806  JA7QOA SP1LON JO73

10m

UTC    dB Audio  Message
181545  -9 1274  SP1LON IZ7UIU +00 (x2)
182900  -7 1213  SP1LON EA8UP -16 (x3)
091315  -3  978  SP1LON SV1CQN -06 (x2)
091715 -17 1308  SP1LON SV7BAY -16 (x3)
115815 -11 1383  SP1LON LZ2IP -06 (x4)
084715 -23 1405  SP1LON IZ5VTJ -09

60m

UTC    dB Audio  Message
205700 -15 2166  DA1VID SP1LON -14
200645  -8 2509  HA5AZD SP1LON JO73 (x3)
215545  +5 2689  OR7K SP1LON JO73
215600  -4 2031  SP1LON OR7K -01
215615  +5 2689  OR7K SP1LON R-04
215630  +2 2031  SP1LON OR7K RR73
215645  +3 2689  OR7K SP1LON 73

40m

UTC    dB Audio  Message
072400 -18 2144  SP1LON OM1AN JN88 (x2)
074415 -24 1726  SP1LON OK2UVR -03 (x2)
074945 -18 1805  SP1LON DL1DQF JO71
075200  -9 2650  S51DD SP1LON JO73
074200 -16 2454  SQ5OMY SP1LON -03
211615 -11 2445  EP5TJS SP1LON JO73
211930 -11 2444  IK4LZH SP1LON JO73
205900 -15 2315  GM4CXF SP1LON R-09 (x2)
210700  +5 2853  SP1LON GW0ARK -10 (x3)
211945 -10 2695  <...> SP1LON JO73

Decoder S/N history by band

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