M7JZW — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: England Most frequent locator attributed to this token: IO91

Receiver-side FT8 activity involving M7JZW, decoded by SO8OO in southeastern Poland. 98 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 10 UTC dates in the available aggregate history. Observed between 2026-06-11 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 98 FT8 messages attributed to M7JZW as the transmitting token by decoded message structure across 10 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (83%), followed by 80 m (13%) and 40 m (4%). Several six-hour UTC windows tied for the largest share (77%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -15 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-15 dB

Estimated median S/N

Bands

80m · 13 40m · 4 20m · 81

First attributed message: 2026-06-11
Last attributed message: 2026-08-29 22:28 UTC

Observed FT8 message patterns

Attributed sample: 98 messages
Active dates: 10 UTC dates
Estimated median S/N: -15 dB
Estimated 10th-90th percentile: -23 to -4 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 46, moderate (-15 to -9 dB) 22, strong (≥ -8 dB) 30.

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 M7JZW in decoded directed-looking exchanges:

OM8LM · Slovak Republic UA3VVA · European Russia A71XX · Qatar DL3MIB · Fed. Rep. of Germany UA4FKT · European Russia DK5WL · Fed. Rep. of Germany DO1OAS · Fed. Rep. of Germany ON1BH · Belgium

Most frequent locator attributed to M7JZW

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: IO91 · 64 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,607 km (approx.)
Last such locator decoded: 2026-07-31 14:54 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	M7JZW S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-29 22:28	80m	-23 / -	DO8PAT	- / -2	2	Partial capture
08-29 22:19	80m	- / -15	ON1BH	-12 / -	2	✓ Closing fragment
08-08 20:27	10m	- / -	DD5GG	-9 / -	3	Partial capture
08-03 21:59	40m	- / -1	UA4FKT	+10 / -	4	✓ Closing fragment
08-03 21:54	40m	- / 0	A71XX	-6 / -	3	✓ Closing fragment
08-03 21:52	40m	- / -8	DL3MIB	+2 / -	4	✓ Closing fragment
08-03 21:52	40m	- / -	F5RRS	-14 / -	5	Partial capture
08-02 19:43	20m	- / -13	UA3VVA	-3 / -	3	✓ Closing fragment
07-31 14:42	20m	-14 / -	S55X	- / -	3	Partial capture
07-31 14:36	20m	-18 / -	S55X	- / -	5	Partial capture
07-31 14:33	20m	-17 / -	S55X	- / -	3	Partial capture
07-31 14:30	20m	- / -	EA5ET	-17 / -	13	Partial capture
07-31 14:26	20m	- / -	RZ4FWA	-17 / -	3	Partial capture
07-29 12:26	20m	- / -	F5RRS	-12 / -	5	Partial capture
07-28 22:46	80m	- / -	MM0DXL	-21 / -	2	Partial capture
07-28 22:44	80m	-20 / -	IQ4JO	+6 / -7	5	Partial capture
07-28 22:42	80m	-22 / -19	DO1OAS	-3 / -11	5	✓ Full exchange observed
07-28 22:40	80m	-24 / -16	DK5WL	+2 / -	4	✓ Closing observed
07-28 22:33	20m	-14 / -	F4BJN	- / -21	10	Partial capture
07-28 22:29	20m	-5 / -	YT3PL	- / -4	2	Partial capture
07-28 22:22	20m	-5 / -	YT3PL	- / -7	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
224330 -21 1813  DO1OAS M7JZW 73
224430 -21 1813  CQ M7JZW IO91
224445  +6 2233  M7JZW IQ4JO JN63
224530 -24 1813  IQ4JO M7JZW -07 (x3)
224645 -24 1916  M7JZW MM0DXL IO75
224700 -16 1814  IQ4JO M7JZW -07
224715 -18 1916  M7JZW MM0DXL IO75
221930 -13 1953  M7JZW ON1BH -15 (x2)
222130 -13 2254  M7JZW DL3HN JN49
222230  -4  835  M7JZW DO8PAT -14
222815 -22  979  DO8PAT M7JZW R-02 (x2)

10m

UTC    dB Audio  Message
202700  +0  946  M7JZW DD5GG JN39 (x3)

40m

UTC    dB Audio  Message
215300 -20 1950  M7JZW F5RRS JN36
215300  +5 1028  M7JZW DL3MIB JN57
215330 -14 1951  M7JZW F5RRS JN36
215330  +3 1028  M7JZW DL3MIB R-08
215400 -15 1951  M7JZW F5RRS JN36
215400  -5 1028  M7JZW DL3MIB 73
215430  -7  347  M7JZW A71XX LL55 (x3)
215830 -16 1530  M7JZW DL1UDO JO31
215930 +12  347  M7JZW UA4FKT LO23 (x4)
220300  -1  346  M7JZW PC2J JO22

20m

UTC    dB Audio  Message
144230 -14 2499  S55X M7JZW IO91 (x3)
144830  -5 2941  RZ4FWA M7JZW -08
144930  -5 2941  CQ M7JZW IO91                         a1 (x5)
145330  -5 2941  OM8LM M7JZW RR73
145400  -5 2941  CQ M7JZW IO91                         a1 (x2)
194330  -2 1204  M7JZW UA3VVA LO06 (x3)

60m

UTC    dB Audio  Message
190945  -4  724  M7JZW DK1XAM JO42

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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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