9A3SM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Croatia Locator transmitted in a decoded message: JN85

Receiver-side FT8 activity involving 9A3SM, decoded by SO8OO in southeastern Poland. 202 related FT8 messages, 66 CQ messages, observed on 40m, 20m, 10m, across 16 UTC dates. Heard between 2026-05-25 and 2026-08-21.

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

202

Related messages

CQ messages

UTC dates heard

-5 dB

Mean decoder S/N

Bands

40m 20m 10m

First seen: 2026-05-25
Last seen: 2026-08-21 17:29 UTC

Frequent QSO partners observed at SO8OO

Stations 9A3SM worked most often, as logged from our receiver:

DL1ASL · Fed. Rep. of Germany KD8RUC · United States IQ0VT · Italy TN8GD · Republic of the Congo DK1IO · Fed. Rep. of Germany DK0F · Fed. Rep. of Germany DL1SA · Fed. Rep. of Germany C91RU · Mozambique RI0SP · European Russia DK3ME · Fed. Rep. of Germany DM2BR · Fed. Rep. of Germany IW0FGX · Italy

Activity Heatmap

Locator transmitted by 9A3SM

Approximate centre of JN85, decoded 2026-08-16 16:44 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	9A3SM S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-21 19:28	40m	+6 / -3	DM2BR	+6 / -1	4	✓ Full exchange observed
08-16 16:45	40m	- / -	DL1EDR	-8 / -	4	Partial capture
08-16 16:43	40m	-11 / -	IU0TGS	- / -4	2	✓ Closing fragment
08-16 16:40	40m	-13 / -	DL2LN	- / 0	2	✓ Closing fragment
08-16 16:38	40m	-13 / -	VJ6X	- / -11	2	Partial capture
08-16 16:34	40m	-12 / 0	DA0OIE	-10 / 0	4	✓ Full exchange observed
08-16 16:33	40m	-15 / -	DL3JAC	-8 / -7	4	✓ Full exchange observed
08-16 16:30	40m	-6 / -15	DA0LH	-19 / +1	4	Partial capture
08-15 05:45	20m	-6 / -	DG3YDE	- / -8	2	Partial capture
07-14 14:00	40m	-13 / +4	DL0IPA	-10 / -1	2	Partial capture
07-14 06:09	40m	-7 / -	DL8TT	- / -3	2	Partial capture
07-14 06:07	40m	-7 / -	PV8AJ	- / -21	3	Partial capture
07-14 06:05	40m	-10 / -	DL9RXZ	- / -7	2	Partial capture
07-08 20:10	40m	-7 / -	TJ1GD/P	- / -13	13	Partial capture
07-08 07:37	40m	-9 / -	<...>	- / -10	4	Partial capture
06-30 18:22	20m	- / -8	TN8GD	-9 / -	2	✓ Closing fragment
06-30 17:53	20m	- / -12	G4CFS	-6 / -	2	✓ Closing fragment
06-20 07:35	40m	- / -	UT4PA	-8 / -	2	Partial capture
06-20 07:34	40m	-1 / +2	DL1DOS	-1 / +6	2	Partial capture
06-19 17:22	40m	+4 / -	DL2PK	- / -13	2	✓ Closing fragment
06-19 17:12	40m	0 / -	TM6B	- / -13	4	Partial capture
06-19 17:10	40m	-2 / +3	DB8APG	-14 / -	3	✓ Closing observed
06-19 17:08	40m	-2 / -7	DL4JTH	-8 / 0	4	✓ Full exchange observed
06-19 16:56	40m	- / -16	SP3HIF	+6 / -	2	Partial capture
06-19 16:53	40m	-2 / -	DK9EU	- / -2	2	✓ Closing fragment
06-19 16:51	40m	0 / -2	DL3MDK	-4 / +2	6	✓ Full exchange observed
06-19 16:48	40m	+2 / -	DL1EHG	- / -11	2	✓ Closing fragment
06-19 16:47	40m	0 / -2	S54ZGA	-6 / -1	7	✓ Full exchange observed
06-19 16:45	40m	+2 / -	TM6B	- / -10	2	Partial capture
06-19 16:43	40m	+2 / -	DF2HZ	- / -11	3	✓ Closing fragment
06-19 16:42	40m	- / -	OZ5AGJ	-14 / -	2	Partial capture
06-19 16:40	40m	- / +4	<...>	-9 / -	2	Partial capture
06-19 16:36	40m	+2 / -2	DL0PMV	+2 / -8	3	✓ Full exchange observed
06-19 07:47	20m	- / +3	IZ0ZIP	+2 / -	4	Partial capture
06-18 04:41	20m	- / -12	UA9ODU	-11 / -	3	Partial capture
06-18 04:35	20m	-10 / -	C91RU	- / -19	2	✓ Closing fragment
06-18 04:18	20m	- / -	US2YW	-18 / -	2	Partial capture
06-18 04:05	20m	- / -	RZ4FWA	-18 / -	3	Partial capture
06-16 06:52	20m	- / -5	F5IXN	-13 / -	5	Partial capture
06-13 04:32	40m	-6 / -12	PD0DDA	-11 / -3	4	✓ Full exchange observed
06-13 04:30	40m	-7 / -	N8GU	- / -15	3	Partial capture
06-13 04:15	40m	+3 / -	PD0DDA	- / -5	18	Partial capture
06-13 03:54	40m	+10 / -	N4MRM	- / -15	6	Partial capture
06-13 03:29	40m	+9 / -	KB8OTK	- / -15	8	Partial capture
06-12 19:16	40m	+11 / -	VJ2L	- / -15	3	Partial capture
06-12 14:05	40m	+2 / -	PD0DDA	- / -17	2	Partial capture
06-12 13:49	40m	-6 / -	PD0DDA	- / -17	4	Partial capture
06-08 07:57	40m	+2 / -	DC1XU	- / -14	4	Partial capture
06-07 19:29	40m	+1 / -	TL8BNW	- / -9	2	Partial capture
06-06 15:13	40m	- / -	IQ0VT	-16 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
164045 -15 2314  DL2LN 9A3SM +00 (x2)
164315  -9 2314  IU0TGS 9A3SM R-04 (x2)
164415 -17 2315  CQ DL 9A3SM JN85 (x2)
164530  -7 2314  9A3SM DL1EDR JO41 (x4)
192830  +3 2669  DM2BR 9A3SM -01
192845  +8 1283  9A3SM DM2BR R-03
192900  +9 2669  DM2BR 9A3SM RR73
192915  +5 1283  9A3SM DM2BR 73
193000  +2 2669  DL9HJS 9A3SM -10

20m

UTC    dB Audio  Message
044915 -15 2400  W6ACT 9A3SM -19
074730  -1 2289  9A3SM IZ0ZIP +03 (x4)
074930  +4 1926  9A3SM UR4QWW KN77
041715  -5 2478  J40NBY 9A3SM -07
174715 -21 2038  BD1TX 9A3SM -14
175330  -3 2869  9A3SM G4CFS R-12 (x2)
182200  -9  678  9A3SM TN8GD R-08 (x2)
192200 -11 1426  JK1ATM 9A3SM -15
054530  -7 2353  DG3YDE 9A3SM -08 (x2)

10m

UTC    dB Audio  Message
062300 -10  928  9A3SM A41ZZ -04

Decoder S/N history by band

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