SP3CMA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: JO83

Receiver-side FT8 activity involving SP3CMA, decoded by SO8OO in southeastern Poland. 93 related FT8 messages, observed on 80m, 60m, 40m, 20m, 10m, across 24 UTC dates. Heard between 2026-06-14 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

Related messages

CQ messages

UTC dates heard

-2 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m

First seen: 2026-06-14
Last seen: 2026-08-23 17:55 UTC

Frequent QSO partners observed at SO8OO

Stations SP3CMA worked most often, as logged from our receiver:

OJ0JR · Market Reef ×2 TK5K · Corsica VK0DS · Antarctica DL9KM · Fed. Rep. of Germany S52DD · Slovenia HF9T · Poland DL1WU · Fed. Rep. of Germany SN0WWA · Poland YU1NTP · Serbia PA4F · Netherlands SP5LST · Poland SN4WWA · Poland

Activity Heatmap

Locator transmitted by SP3CMA

Approximate centre of JO83, decoded 2026-08-23 19:58 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	SP3CMA S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 19:58	80m	+4 / -	<...>	- / -7	2	Partial capture
08-20 20:22	40m	+8 / +1	<...>	-16 / 0	2	Partial capture
08-20 20:19	60m	+4 / +1	OJ0JR	+6 / -3	4	✓ Full exchange observed
08-19 20:41	80m	-1 / -5	DB100FT	-5 / -2	2	Partial capture
08-18 20:22	80m	+5 / -	LY8O	- / -4	4	Partial capture
08-18 20:14	80m	+5 / -	LY8O	- / 0	3	Partial capture
08-18 19:33	60m	-4 / -	OJ0YL	- / -5	2	Partial capture
08-13 19:35	80m	+5 / -	<...>	- / -	3	Partial capture
08-11 21:50	80m	+10 / -12	YU1NTP	+3 / -11	5	✓ Full exchange observed
08-11 21:47	80m	+8 / -9	HB10GBT	0 / -	3	Partial capture
08-11 21:44	80m	+4 / -9	TF4M	-2 / 0	8	✓ Full exchange observed
08-09 20:31	80m	+2 / -	<...>	- / -8	2	Partial capture
08-06 21:31	40m	-1 / -	TJ1GD/P	- / -14	7	✓ Closing fragment
08-06 21:21	80m	-2 / -	Z62NS	- / -3	2	Partial capture
08-02 19:56	80m	+1 / -	SP1905MFK	- / -6	3	Partial capture
08-02 19:52	80m	0 / -	5Z4AB	- / -5	4	Partial capture
08-01 20:43	10m	- / -8	EA8UP	-14 / -	2	✓ Closing fragment
07-31 18:12	40m	-8 / -	3D2USU	- / -16	2	Partial capture
07-30 10:47	20m	+1 / -	VP5G	- / -	4	Partial capture
07-23 19:39	80m	+5 / -6	YO4NT	+12 / -2	4	✓ Full exchange observed
07-23 19:38	80m	+4 / -4	DL9KM	-9 / -6	6	✓ Full exchange observed
07-23 19:35	80m	-3 / -4	DL80BOCH	-24 / -10	4	Partial capture
07-22 21:19	80m	+6 / -	TN8GD	- / -22	19	Partial capture
07-22 21:02	80m	+9 / -	TN8GD	- / -15	22	Partial capture
07-22 20:56	80m	+8 / -	TN8GD	- / -19	6	Partial capture
07-22 02:53	80m	+1 / -	NP4EB	- / -16	3	Partial capture
07-18 22:00	80m	0 / -	TN8GD	- / -18	30	Partial capture
07-18 21:52	80m	+1 / -	TN8GD	- / -13	9	Partial capture
07-16 21:48	80m	+4 / -	ZS6WAB	- / -13	5	Partial capture
07-15 19:28	80m	-2 / +3	OL900JAR	+9 / +2	2	Partial capture
07-07 21:57	80m	-2 / -	ZS6NL	- / -16	4	Partial capture
07-07 21:16	80m	-1 / -	SQ7TX	+13 / -	2	✓ Closing observed
07-07 19:59	40m	-4 / -	VJ6X	- / -13	2	Partial capture
07-07 19:42	80m	0 / -6	OK1WE	+8 / +1	3	Partial capture
07-07 19:40	80m	-4 / -2	S52DD	+8 / +1	3	✓ Full exchange observed
07-06 21:34	80m	+7 / -	HF9T	+4 / -	3	✓ Closing observed
07-06 21:32	80m	+5 / -	TN8GD	- / -14	92	Partial capture
07-06 21:26	80m	0 / -10	YO1BRANCUSI	+6 / -1	3	Partial capture
07-06 21:25	80m	+6 / -	<...>	- / -	2	Partial capture
07-06 21:23	80m	+1 / -	TN8GD	- / -	2	Partial capture
07-06 21:21	80m	+2 / -	OL900JAR	+3 / -	2	Partial capture
07-06 21:16	80m	+3 / -	<...>	- / -1	5	Partial capture
07-06 21:13	80m	- / -9	LZ01MIKU	+10 / -	2	Partial capture
07-06 21:12	80m	+6 / -	<...>	- / -1	2	Partial capture
07-06 21:03	80m	-3 / -	TN8GD	- / -18	10	Partial capture
07-06 20:39	80m	+4 / -	TN8GD	- / -15	6	Partial capture
07-05 21:25	40m	-6 / -	<...>	- / -10	3	Partial capture
07-04 21:01	80m	- / -18	LZ01MIKU	+4 / -	2	Partial capture
07-03 13:38	10m	- / -13	A71CT	-14 / -	2	✓ Closing fragment
07-03 01:59	60m	+6 / -	<...>	- / -6	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
205100  -5 2535  <...> SP3CMA -03
201415  +8 2535  LY8O SP3CMA +00 (x7)
203745  +4 2565  <...> SP3CMA -10
204100  -5 1429  SP3CMA DB100FT R-05
204215  -1 2566  DB100FT SP3CMA -02
195345  +3 2566  <...> SP3CMA -06
195500  +0 2102  SP3CMA OE100OEVSV R-14
195845  +6 2566  <...> SP3CMA JO83 (x2)

40m

UTC    dB Audio  Message
202415  -4 2571  VJ6X SP3CMA -11
202600  -9 2567  SP3CMA F5PBG IN78
050200  -2 2570  W8DPK SP3CMA -02
181215  -9 2569  3D2USU SP3CMA -16 (x2)
211345 -10 2569  TJ1GD/P SP3CMA -17 (x8)
202230  +8 2600  <...> SP3CMA +00
202345 -16 1497  SP3CMA <...> R+01

60m

UTC    dB Audio  Message
201945  +8 2596  G5BOB SP3CMA -05
202115 +11 2596  SQ3DVR SP3CMA +00
202130 -21 1524  SP3CMA SQ3DVR R+17
202145  +7 2596  SQ3DVR SP3CMA RR73
015930  +8 2581  <...> SP3CMA -06 (x4)
193345  +1 2565  OJ0YL SP3CMA JO83 (x2)
193500 -11 1807  SP3CMA RR73; YU1FW <...> +00
201915  +5 2595  OJ0JR SP3CMA -03
201930 +10  378  SP3CMA OJ0JR R+01
201945  +3 2594  OJ0JR SP3CMA RR73
202000  +3  378  SP3CMA OJ0JR RR73

10m

UTC    dB Audio  Message
193930  +0 2654  SP3CMA RR73; SV1CNS <...> -18
110945 -21 1660  SP3CMA EC3A R-03
082300 -12  230  SP3CMA R6LKG LN07 (x3)
133800 -16 1697  SP3CMA A71CT R-13 (x2)
201300  -8  571  SP3CMA TK5K 73
204345 -12 1780  SP3CMA EA8UP R-08 (x2)

20m

UTC    dB Audio  Message
181545 +10 2630  VJ2L SP3CMA JO83
154215  -7 2643  T88RR SP3CMA -12 (x3)
075800 -13  791  SP3CMA IQ0OS R-11 (x2)
104745  -1 2608  VP5G SP3CMA JO83 (x4)

Decoder S/N history by band

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