DO3SMR — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JN84

Receiver-side FT8 activity involving DO3SMR, decoded by SO8OO in southeastern Poland. 85 related FT8 messages, 4 CQ messages, observed on 80m, 10m, across 6 UTC dates. Heard between 2026-07-28 and 2026-08-15.

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

Related messages

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

80m 10m

First seen: 2026-07-28
Last seen: 2026-08-15 03:16 UTC

Frequent QSO partners observed at SO8OO

Stations DO3SMR worked most often, as logged from our receiver:

F5BRF · France F5MJN · France DK7ZT · Fed. Rep. of Germany OZ1EDR · Denmark C31KC · Andorra OK1HEH · Czech Republic DO5HOK · Fed. Rep. of Germany OE8DDX · Austria HB9HME · Switzerland F5RRS · France DO2KMB · Fed. Rep. of Germany DO9BAU · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by DO3SMR

Approximate centre of JN84, decoded 2026-08-15 05:19 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	DO3SMR S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-15 05:14	80m	- / -6	F5RRS	-10 / -	5	✓ Closing fragment
08-15 05:13	80m	-4 / +7	DO2NM	0 / +5	4	✓ Full exchange observed
08-15 05:11	80m	-16 / -14	IK6GTF	-11 / -11	3	✓ Full exchange observed
08-15 05:10	80m	- / -6	HB9EKJ	-8 / -	2	Partial capture
08-15 05:07	80m	-19 / +1	DO7RMA	-2 / -	4	✓ Closing observed
08-14 18:45	80m	- / -	EW6BZ	-1 / -	3	Partial capture
08-14 18:45	80m	- / -3	DK7ZT	0 / -	2	✓ Closing fragment
08-14 18:43	80m	-14 / -	HB3YOY	- / -	2	Partial capture
08-14 18:42	80m	-14 / -14	EW6BZ	-10 / -	4	Partial capture
08-09 04:50	80m	-20 / -	DO5HOK	-1 / -	3	✓ Closing observed
08-09 04:48	80m	-16 / -15	CR7BRV	-14 / +4	5	✓ Full exchange observed
08-09 04:46	80m	-10 / -10	DD0AM	-12 / +7	4	✓ Full exchange observed
08-09 04:43	80m	-16 / -7	G0BLB	-16 / +3	4	✓ Full exchange observed
08-09 04:42	80m	-21 / -4	OK1HEH	-4 / -	5	✓ Full exchange observed
08-09 04:39	80m	-24 / -	DL1UDO	- / -	2	Partial capture
08-09 04:36	80m	-15 / -4	IN3OWY	-10 / -6	5	✓ Full exchange observed
08-09 04:32	80m	- / -	DO5PY	-18 / -	2	Partial capture
08-09 04:32	80m	-9 / -	F5MJN	- / -12	2	✓ Closing fragment
08-09 04:27	80m	- / -6	PA4G	-6 / -	2	✓ Closing fragment
08-09 04:17	80m	-24 / -16	DO9BAU	+8 / +7	10	✓ Full exchange observed
08-09 04:17	80m	- / -14	OM3ZAS	0 / -	2	Partial capture
08-09 04:14	80m	-17 / -3	DL8TV	+2 / -	4	✓ Full exchange observed
08-09 04:13	80m	-24 / -8	9A9TT	-5 / -	8	✓ Closing observed
08-09 04:11	80m	-24 / -5	F5BRF	-24 / +3	5	✓ Full exchange observed
08-09 04:09	80m	-9 / -24	DD0AM	-8 / +2	2	Partial capture
08-09 04:05	80m	-10 / -2	OE8DDX	+11 / -	3	✓ Closing observed
07-29 17:07	10m	- / -15	IK7IMK	-4 / -	2	✓ Closing fragment
07-28 19:36	80m	-18 / -	PA0MUS	- / -13	3	✓ Closing fragment
07-28 18:40	80m	-12 / -	DO9AO	- / -	5	Partial capture
07-28 18:36	80m	-17 / -	YO3FRI	- / -	3	Partial capture
07-28 18:33	80m	-10 / -	SP2FOV	- / -	3	Partial capture
07-28 18:28	80m	-19 / -	HB9HME	- / -23	4	✓ Closing fragment
07-28 18:27	80m	- / -20	DA6HU	-20 / -	2	✓ Closing fragment
07-28 18:22	80m	-22 / -15	DO2KMB	-10 / -2	4	✓ Full exchange observed
07-28 18:20	80m	- / -6	DO1LKG	-21 / -	3	Partial capture
07-28 18:19	80m	- / -19	OZ1EDR	-10 / -	4	✓ Closing fragment
07-28 18:16	80m	-24 / -	R7OF	- / -	2	Partial capture
07-28 18:16	80m	- / -	DO2PY	-16 / -	2	Partial capture
07-28 18:08	80m	-13 / -10	DM8KM	-15 / -	4	✓ Full exchange observed
07-28 18:00	80m	-20 / -	RA3QQI	- / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
051100  -7 1493  DO3SMR HB9EKJ -06
051145 -11  881  DO3SMR IK6GTF -14
051200 -16  881  IK6GTF DO3SMR R-11 (x2)
051315  +0  520  DO3SMR DO2NM +07
051330  +1  520  DO2NM DO3SMR R+05
051345  +0  520  DO3SMR DO2NM RR73
051400  -8  521  DO2NM DO3SMR 73
051415 -13 1356  DO3SMR F5RRS JN36 (x2)
051500 -23 1654  DA6KK DO3SMR JN84
051515  -7 1356  DO3SMR F5RRS JN36 (x3)
051945 -18 1242  OZ6NC DO3SMR JN84

10m

UTC    dB Audio  Message
161600 -19 1974  DO3SMR YO9PH RR73
170700  -5 1227  DO3SMR IK7IMK -15 (x2)
175115  -5 2984  ER5DX DO3SMR JN84

Decoder S/N history by band

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