M7GDH — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: England Most frequent locator attributed to this token: IO95

Receiver-side FT8 activity involving M7GDH, decoded by SO8OO in southeastern Poland. 66 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 9 UTC dates in the available aggregate history. Observed between 2026-06-13 and 2026-08-29.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 66 FT8 messages attributed to M7GDH as the transmitting token by decoded message structure across 9 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (52%), followed by 40 m (48%). Several six-hour UTC windows tied for the largest share (100%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's moderate S/N range (64%); the estimated median was -13 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-13 dB

Estimated median S/N

Bands

40m · 32 20m · 34

First attributed message: 2026-06-13
Last attributed message: 2026-08-29 20:37 UTC

Observed FT8 message patterns

Attributed sample: 66 messages
Active dates: 9 UTC dates
Estimated median S/N: -13 dB
Estimated 10th-90th percentile: -21 to -8 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 16, moderate (-15 to -9 dB) 42, strong (≥ -8 dB) 8.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with M7GDH in decoded directed-looking exchanges:

CT1EEX · Portugal DB1EF · Fed. Rep. of Germany EB3JT · Spain RZ4FWA · European Russia UA1AOF · European Russia YU7ZET · Serbia DB1AD · Fed. Rep. of Germany DF7JU · Fed. Rep. of Germany DH4BM · Fed. Rep. of Germany DL5FCE · Fed. Rep. of Germany F1IQH · France F1JZM · France

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to M7GDH

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator: IO95 · 24 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,646 km (approx.)
Last such locator decoded: 2026-08-24 19:44 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

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	M7GDH S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-29 20:36	40m	-14 / -	M6XZD	-3 / -	2	✓ Closing observed
08-24 19:42	20m	-4 / -	DB1EF	- / -1	2	✓ Closing fragment
08-24 19:34	40m	- / -	YT1DDL	-2 / -	3	Partial capture
08-24 19:21	40m	-9 / -	DL5FCE	- / -	3	✓ Closing fragment
08-24 19:20	40m	-9 / -	DF7JU	+5 / -	3	✓ Closing observed
08-24 19:18	40m	-10 / -	SP3IPA	+3 / +9	3	Partial capture
08-24 19:15	40m	-13 / -	DB1AD	- / -17	3	✓ Closing fragment
08-24 19:14	40m	- / -	RM6OM	-2 / -	22	Partial capture
08-20 19:59	20m	-11 / -12	RN6MA	+8 / +4	4	Partial capture
08-20 19:50	40m	-8 / -16	YT1DDL	-10 / -	3	✓ Closing observed
08-20 19:47	40m	-12 / -13	R1BDX	-9 / -7	3	Partial capture
08-20 19:45	40m	-14 / +1	G6MTI	-7 / +8	5	✓ Full exchange observed
08-20 19:45	40m	- / -	R1BDX	-12 / -	2	Partial capture
08-20 19:44	40m	-15 / -8	PA5MB	-8 / -	3	✓ Closing observed
08-20 19:44	40m	-12 / +6	G7SLB	+3 / -22	7	✓ Full exchange observed
08-20 19:42	40m	-13 / -	DH4BM	-12 / -2	4	✓ Closing observed
08-20 19:35	40m	- / -14	SP5CTY	+2 / -	4	✓ Closing fragment
08-20 19:32	40m	- / -12	RA5BQ	-13 / -	2	Partial capture
08-17 20:41	40m	- / -6	F1TXI	-16 / -	3	✓ Closing fragment
08-16 20:23	40m	- / -16	PD3FR	-10 / -	4	✓ Closing fragment
08-16 20:17	20m	- / -	DG5PW	-14 / -	2	Partial capture
08-16 20:09	20m	- / -3	EB3JT	0 / -	3	✓ Closing fragment
08-13 21:41	40m	- / -	PD1AC	-18 / -	2	Partial capture
08-13 21:37	40m	- / -8	R5AV	-8 / -	2	✓ Closing fragment
08-13 21:35	40m	- / -4	F1IQH	-14 / -	3	✓ Closing fragment
08-01 21:26	20m	-15 / -	PY4STO	- / -12	2	Partial capture
08-01 21:25	20m	-19 / -	RZ4FWA	-10 / -1	5	✓ Full exchange observed
08-01 21:24	20m	-20 / -	PY4PTO	- / -15	2	Partial capture
07-08 19:08	40m	- / -11	R6LPF	-14 / -	3	✓ Closing fragment
07-07 22:36	20m	-19 / +8	CT1EEX	-12 / -	5	✓ Full exchange observed
07-03 21:37	40m	- / -	DL1ESZ	-9 / -	2	Partial capture
07-03 21:15	40m	- / -10	F6GCP	-14 / -	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
192200  +2 2758  M7GDH RM6OM KN87
192215  -8 1405  DL5FCE M7GDH RR73
192230  +1 2758  M7GDH RM6OM KN87
192315 -11 1406  CQ M7GDH IO95
192330  +0 2758  M7GDH RM6OM KN87 (x4)
192815  -6 1528  M7GDH M0MLS -08
193115  -1  784  M7GDH MM/DH0GBC -04
193445  -1 2809  M7GDH YT1DDL KN04 (x3)
203645  -3 2284  M7GDH M6XZD RR73
203700 -14 1424  M6XZD M7GDH 73

20m

UTC    dB Audio  Message
195915 -11 1388  CQ M7GDH IO95
195930  +7 1388  M7GDH RN6MA -12
195945 -11 1389  RN6MA M7GDH R+04
200000  +8 1387  M7GDH RN6MA -12 (x2)
193700 -17 1670  CQ M7GDH IO95 (x2)
193815 -16 1670  M7GDH DB8BT JO42
194030  -7 1670  SP6AXW M7GDH +01
194200 -10 1670  CQ M7GDH IO95
194230 -10 1670  DB1EF M7GDH -01 (x2)
194330  -7 1671  CQ M7GDH IO95 (x2)
194530 -10 1671  YU7ZET M7GDH RR73

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

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