JE4MZA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan Locator transmitted in a decoded message: PM75

Receiver-side FT8 activity involving JE4MZA, decoded by SO8OO in southeastern Poland. 79 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 16 UTC dates. Heard between 2026-05-25 and 2026-08-22.

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

+3 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-05-25
Last seen: 2026-08-22 18:40 UTC

Frequent QSO partners observed at SO8OO

Stations JE4MZA worked most often, as logged from our receiver:

A61FJ · United Arab Emirates ×2 UR1CCT · Ukraine ×2 9J2FI · Zambia ×2 UT5ZC · Ukraine 7Z1DS · Saudi Arabia Z34K · North Macedonia TJ1GD/P · Cameroon LY8O · Lithuania DJ5FI · Fed. Rep. of Germany 4X1UF · Israel PI4DX · Netherlands SV5BYP · Dodecanese

Activity Heatmap

Locator transmitted by JE4MZA

Approximate centre of PM75, decoded 2026-06-17 20:36 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	JE4MZA S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 20:37	80m	- / -19	UR1CCT	+20 / -	7	✓ Closing fragment
08-22 19:52	80m	- / -15	DJ5FI	+18 / -	6	✓ Closing fragment
08-22 19:34	80m	- / -8	DJ5FI	+18 / -	6	Partial capture
08-22 19:17	80m	- / -10	DJ5FI	+20 / -	6	Partial capture
08-15 20:30	80m	- / -9	UT5ZC	+14 / -	2	✓ Closing fragment
08-14 21:05	40m	- / -	IK0QDM	-20 / -	4	Partial capture
08-04 20:38	20m	- / -14	7X5CY	-10 / -	2	Partial capture
08-01 20:52	40m	- / -	R6FX	-17 / -	2	Partial capture
08-01 20:51	40m	- / -15	LY8O	-12 / -	2	✓ Closing fragment
07-06 21:06	20m	- / -17	F5RRS	-6 / -	2	Partial capture
06-17 20:32	20m	-4 / -	TJ1GD/P	- / -11	8	✓ Closing fragment
06-09 22:29	20m	- / -19	7Z1DS	+1 / -	3	✓ Closing fragment
06-09 19:41	40m	- / -24	PI4DX	+12 / -	2	✓ Closing fragment
06-06 21:31	20m	-9 / -	9X5KM	- / -	12	Partial capture
06-04 21:58	20m	-5 / -	OJ0Z	- / -26	3	Partial capture
06-04 21:05	20m	-2 / -	OJ0Z	- / -23	3	Partial capture
06-02 20:50	20m	- / +2	9J2FI	+2 / -	3	✓ Closing fragment
05-31 20:44	20m	- / -	EA5IDA	-10 / -	5	Partial capture
05-31 20:43	20m	+9 / -	EP2AES	- / -	27	Partial capture
05-28 22:28	20m	-13 / -	A92AE	- / -	5	Partial capture
05-28 22:17	20m	-19 / -	A92AE	- / -	2	Partial capture
05-28 22:13	20m	-18 / -	Z34K	- / -	2	✓ Closing fragment
05-28 22:09	20m	-22 / -	LZ1BT	- / -	3	Partial capture
05-28 22:05	20m	-20 / -	SV2FNT	- / -	4	Partial capture
05-28 22:00	20m	- / -15	SV5BYP	+8 / -	2	✓ Closing fragment
05-28 21:16	20m	-6 / -17	9H4JX	0 / -	26	Partial capture
05-26 23:22	20m	- / -13	A61FJ	-10 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
193615 +16  356  JE4MZA DJ5FI -14 (x8)
203730 +27  637  JE4MZA UR1CCT -19 (x7)

40m

UTC    dB Audio  Message
194100  +8 1079  JE4MZA PI4DX -24 (x2)
210700 -13  798  JE4MZA 9X5KM -07
205115 -14 1036  JE4MZA LY8O -15 (x2)
205215 -16 1420  JE4MZA R6FX LN14 (x2)
210500 -22 2097  JE4MZA IK0QDM JN61 (x4)

20m

UTC    dB Audio  Message
204900 -20 1556  JE4MZA BH4GWF PM01
203215  -3  933  TJ1GD/P JE4MZA PM75 (x8)
194430  +5 2854  JE4MZA IQ4JO JN63
210600  -6 1920  JE4MZA F5RRS JN36 (x2)
203800 -12  570  JE4MZA 7X5CY -14 (x3)

10m

UTC    dB Audio  Message
092600  -3 1737  JE4MZA A61FJ RR73
093045  +1 2832  JE4MZA 9J2FI RR73
093045 -10 2702  JE4MZA 4X1UF RR73
105930  -2  819  JE4MZA 9X5KM -08

Decoder S/N history by band

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