M7SDQ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: England Locator transmitted in a decoded message: IO83

Receiver-side FT8 activity involving M7SDQ, decoded by SO8OO in southeastern Poland. 606 related FT8 messages, 58 CQ messages, observed on 80m, 40m, 20m, 10m, across 40 UTC dates. Heard between 2026-05-27 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

606

Related messages

CQ messages

UTC dates heard

-5 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-27
Last seen: 2026-08-23 22:13 UTC

Frequent QSO partners observed at SO8OO

Stations M7SDQ worked most often, as logged from our receiver:

DK7UY · Fed. Rep. of Germany ×2 F4FSY · France ×2 UR5WCS · Ukraine ×2 R5AV · European Russia ×2 HG8LXL · Hungary ×2 F5RRS · France HA7TM · Hungary IN3IZQ · Italy BI8SCC · China 2E0KGX · England LA1QAA · Norway OK1VRV · Czech Republic

Activity Heatmap

Locator transmitted by M7SDQ

Approximate centre of IO83, decoded 2026-08-16 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	M7SDQ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-24 00:12	20m	- / -24	HP1RY	-22 / -	2	Partial capture
08-21 00:01	20m	- / -20	WB4MNK	-16 / -	3	Partial capture
08-20 23:19	20m	- / -15	XQ1KK	-7 / -	3	✓ Closing fragment
08-16 19:56	20m	-14 / -	UT2PC	- / -	3	Partial capture
08-16 19:38	20m	- / -	R6FX	-6 / -	2	Partial capture
08-09 17:27	40m	- / -12	R2EC	-14 / -	2	✓ Closing fragment
08-09 16:24	40m	- / -	E70SZ	-12 / -	3	Partial capture
08-09 15:32	20m	- / -	EA4IDN	-17 / -	2	Partial capture
08-09 01:35	80m	- / -	9A3AUH	-2 / -	4	Partial capture
08-09 01:32	80m	- / -	DL1LN	-13 / -	4	Partial capture
08-09 01:32	80m	- / -	DF6WE	-14 / -	2	Partial capture
08-09 01:31	80m	- / -	DO5PY	-4 / -	3	Partial capture
08-09 01:31	80m	- / -	DO9BAU	+6 / -	12	Partial capture
08-09 01:31	80m	- / -9	R5AV	0 / -	2	✓ Closing fragment
08-05 06:59	20m	- / -	RA6OY	-2 / -	4	Partial capture
08-05 06:47	20m	-7 / -	I3QDK	-20 / -	4	Partial capture
08-05 06:47	20m	-15 / -	UX0KR	- / 0	5	Partial capture
08-04 21:47	20m	- / -5	EA8UP	-14 / -	2	✓ Closing fragment
08-01 23:46	80m	-13 / -	EW8AAC	+1 / -2	4	✓ Closing observed
08-01 23:44	80m	- / -	F5RRS	-3 / -	3	Partial capture
08-01 23:43	80m	-10 / -10	IK8INR	-6 / -12	6	✓ Full exchange observed
08-01 23:39	80m	-12 / -	F6FHZ	- / -2	2	✓ Closing fragment
08-01 23:39	80m	- / -	IK8INR	-9 / -	4	Partial capture
08-01 23:38	80m	-9 / -4	DO1OAS	-2 / +2	4	✓ Full exchange observed
08-01 23:38	80m	- / -	DO9BAU	+8 / -	19	Partial capture
08-01 13:02	20m	- / -	F4BJN	-9 / -	6	Partial capture
08-01 13:00	20m	- / -	F4HSB	-9 / -	3	Partial capture
08-01 13:00	20m	-14 / -16	LA1QAA	-9 / -	4	✓ Closing observed
08-01 11:33	20m	-17 / -	F4BJN	- / -14	10	Partial capture
08-01 11:13	20m	-23 / -7	PD0HLA	-4 / -	2	✓ Closing observed
08-01 10:20	20m	-16 / +2	CU8AF	-15 / -	2	✓ Closing observed
08-01 10:19	20m	- / -	F4BJN	-9 / -	4	Partial capture
08-01 10:18	20m	- / -7	R4ML	+2 / -	2	Partial capture
07-29 20:58	80m	- / -	DK6WH	-2 / -	3	Partial capture
07-29 20:58	80m	- / -	SP9UPH	+19 / -	4	Partial capture
07-29 20:57	80m	- / -15	YO6LM	+6 / -	2	Partial capture
07-29 20:55	80m	- / -	DO1XMC/P	-24 / -	2	Partial capture
07-29 20:55	80m	- / +3	G0UDE	-22 / -	2	Partial capture
07-29 20:52	80m	- / -7	HA7TM	+4 / -	3	✓ Closing fragment
07-29 20:47	80m	- / -15	HF5A	+9 / -	5	✓ Closing fragment
07-29 20:42	80m	-8 / -10	HA7TM	+21 / -6	4	Partial capture
07-29 20:36	80m	-10 / -6	DO8JB	-2 / +10	8	✓ Full exchange observed
07-18 20:46	20m	- / -	DL1R	+5 / -	8	Partial capture
07-18 09:42	20m	-21 / -	LY1CZ	- / -4	3	Partial capture
07-15 07:11	20m	- / -2	UR5EDX	-4 / -	2	✓ Closing fragment
07-15 07:06	20m	- / -	UR5EDX	-3 / -	2	Partial capture
07-10 18:51	20m	-11 / -	BG5JGG	- / -	2	Partial capture
07-10 18:46	20m	-16 / -	BG5JGG	- / -	2	Partial capture
07-09 16:46	20m	-20 / -	YO9HB	- / -10	4	Partial capture
07-08 07:33	20m	- / -	DB8BT	-11 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
153230 -17 1820  M7SDQ EA4IDN IN70 (x2)
193800  -5 1672  M7SDQ R6FX LN14 (x2)
195645 -16 1464  UT2PC M7SDQ IO83 (x3)
231930  -6 1216  M7SDQ XQ1KK -15 (x3)
000115 -17 1317  M7SDQ WB4MNK EL99 (x3)
001230 -22 1777  M7SDQ HP1RY R-24 (x2)

40m

UTC    dB Audio  Message
192130  +8 1186  M7SDQ DH0GBC -03 (x2)
200915 -12  695  CQ M7SDQ IO83
200930  +6 2668  M7SDQ IQ4JO JN63 (x2)
000730 -17 1175  M7SDQ RV6HE -10 (x2)
000915 -18 1857  M7SDQ F5RRS JN36 (x3)
162415 -13 1238  M7SDQ E70SZ JN84 (x3)
172745 -14 1243  M7SDQ R2EC -12 (x2)

80m

UTC    dB Audio  Message
013345 -17  951  M7SDQ DL1LN JO54
013345 +10 2502  M7SDQ DO9BAU JO62
013415 -10  951  M7SDQ DL1LN JO54
013415  +6 2502  M7SDQ DO9BAU JO62
013445 -12  951  M7SDQ DL1LN JO54
013445  -6 2502  M7SDQ DO9BAU JO62
013545  +0 2070  M7SDQ 9A3AUH JN75
013545  +8 2502  M7SDQ DO9BAU JO62
013545  -6 2025  M7SDQ UR4LBG KN89
013615  -2 2070  M7SDQ 9A3AUH JN75
013615  +9 2502  M7SDQ DO9BAU JO62
013645  -3 2070  M7SDQ 9A3AUH JN75
013645  +8 2502  M7SDQ DO9BAU JO62 (x2)
013715  -2 2070  M7SDQ 9A3AUH JN75

10m

UTC    dB Audio  Message
121615 -22 1416  M7SDQ R6DV -16 (x2)
143545 -11  492  M7SDQ IK4LZH JN54
163630 -18 1476  M7SDQ DO1ID R+18 (x2)
164300  -8  864  M7SDQ PD0RCQ JO21
164400  -3  865  M7SDQ DN9MSG JO43
164730 -15  865  M7SDQ PD0RCQ JO21 (x2)
164830  +0 2954  M7SDQ DO1FDK JO41 (x3)
203930 -13 2465  M7SDQ IQ4JO JN63
113930  -4 1523  M7SDQ RN6MA -14
124945  -4 2644  M7SDQ F1PBZ +01

Decoder S/N history by band

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