EA4Z — 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: Spain Most frequent locator attributed to this token: IN80

Receiver-side FT8 activity involving EA4Z, decoded by SO8OO in southeastern Poland. 320 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 11 UTC dates in the available aggregate history. Observed between 2026-06-09 and 2026-10-30.

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 320 FT8 messages attributed to EA4Z as the transmitting token by decoded message structure across 11 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (52%), followed by 40 m (48%). Most decodes (73%) fell within the six-hour window 18:00-00:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -7 dB.

Overview

320

Messages attributed

UTC dates decoded

Active 15-min windows

-7 dB

Estimated median S/N

Bands

40m · 155 20m · 165

First attributed message: 2026-06-09
Last attributed message: 2026-10-30 00:18 UTC

Observed FT8 message patterns

Attributed sample: 320 messages
Active dates: 11 UTC dates
Estimated median S/N: -7 dB
Estimated 10th-90th percentile: -15 to +1 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 22, moderate (-15 to -9 dB) 121, strong (≥ -8 dB) 177.

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 EA4Z in decoded directed-looking exchanges:

BA3QIQ · China BG4OOO · China DF2SL · Fed. Rep. of Germany M0BXF · England M7SZB · England PH9OY · Netherlands DH5HAR · Fed. Rep. of Germany DL5OBY · Fed. Rep. of Germany DL9KM · Fed. Rep. of Germany GI6KDN · Northern Ireland K4KEV · United States K4NVD · United States

Most frequent locator attributed to EA4Z

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: IN80 · 165 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 2,193 km (approx.)
Last such locator decoded: 2026-10-30 00:18 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	EA4Z S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-30 00:17	40m	-4 / -	KN1B	- / -14	2	Partial capture
10-30 00:02	40m	-4 / -	WD4FFS	- / -8	2	✓ Closing fragment
10-29 23:58	40m	-7 / -	DL9KM	- / +1	2	✓ Closing fragment
10-29 23:54	40m	0 / -	WB8YJF	- / -4	2	✓ Closing fragment
10-29 23:52	40m	-6 / -	RX9WM	-12 / -9	5	✓ Closing observed
10-29 23:50	40m	0 / -	W5AJ	- / -18	2	✓ Closing fragment
10-29 23:49	40m	-1 / -	KE2FGK	- / -18	2	✓ Closing fragment
10-29 23:44	40m	+6 / -	SP5MIG	- / -2	2	✓ Closing fragment
10-29 23:44	40m	+1 / -11	TC8ATA	-2 / -20	9	✓ Full exchange observed
10-29 23:39	40m	-7 / -	KE0VHO	- / -15	3	✓ Closing fragment
10-29 23:36	40m	0 / -	KC1UVP	- / -10	2	✓ Closing fragment
10-29 23:33	40m	-2 / -	HA5OI	- / -12	4	Partial capture
10-29 23:19	40m	-4 / -	HA5OI	- / -11	6	Partial capture
10-29 23:18	40m	-1 / -	PG0T	- / -10	2	✓ Closing fragment
10-29 22:49	40m	-12 / -	K4KEV	- / -6	7	✓ Closing fragment
10-29 22:45	40m	-11 / -	R3GW	+1 / -17	3	Partial capture
10-29 22:31	40m	-11 / -	DH5HAR	- / -15	2	✓ Closing fragment
10-29 22:30	40m	-16 / -	K4NVD	- / 0	2	✓ Closing fragment
10-29 22:28	40m	-20 / -	DL5OBY	- / -10	2	✓ Closing fragment
09-01 09:58	40m	- / -24	PE9JAN	-22 / -	4	✓ Closing fragment
08-31 19:29	20m	0 / -	M0BXF	-1 / +10	3	✓ Closing observed
08-31 19:28	20m	0 / -	DF2SL	-4 / -11	3	✓ Closing observed
08-31 19:27	20m	-1 / -	BG4OOO	- / -17	2	✓ Closing fragment
08-31 19:25	20m	-3 / -	BA3QIQ	- / -17	2	✓ Closing fragment
08-31 19:23	20m	-6 / -	PH9OY	- / +2	2	✓ Closing fragment
08-31 19:20	20m	-2 / -	M7SZB	0 / -14	3	✓ Closing observed
08-18 20:05	40m	- / -13	RN6MA	-15 / -	3	✓ Closing fragment
08-17 20:47	40m	- / -7	DG5PW	-24 / -	2	Partial capture
08-17 20:41	40m	- / -1	DL1MST	-18 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
000015  -3  576  CQ EA4Z IN80 (x4)
000215  -6  576  WD4FFS EA4Z -08 (x2)
000315  +4  576  CQ EA4Z IN80 (x2)
000645 -10  575  KD4YLQ EA4Z RR73
000745  -9  576  KO3F EA4Z RR73
001245  -7  576  KK2A EA4Z +01
001545 -11  576  CQ EA4Z IN80
001715  -5  576  KN1B EA4Z R-14 (x2)
001815  -2  576  CQ EA4Z IN80

80m

UTC    dB Audio  Message
233930  -8 1312  EA4Z SP2NBH JO94

20m

UTC    dB Audio  Message
192500  -1 1759  BA3QIQ EA4Z -17 (x2)
192600  +0 1759  CQ EA4Z IN80 (x2)
192700  +1 1759  BG4OOO EA4Z R-17 (x2)
192800  -3 1759  CQ EA4Z IN80
192815  -4  763  EA4Z DF2SL JN58
192830  -1 1759  DF2SL EA4Z -11 (x2)
192930  -5 1759  CQ EA4Z IN80
192945  -1 2446  EA4Z M0BXF IO83
193000  -1 1759  M0BXF EA4Z +10 (x2)
193100 -16 1727  EA4Z IZ3ZOF JN65

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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