EA7AAF — 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: IM77

Receiver-side FT8 activity involving EA7AAF, decoded by SO8OO in southeastern Poland. 169 FT8 messages attributed to this token as transmitter, on 20m, 10m, across 7 UTC dates in the available aggregate history. Observed between 2026-06-20 and 2026-10-16.

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 169 FT8 messages attributed to EA7AAF as the transmitting token by decoded message structure across 7 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (57%), followed by 10 m (43%). Several six-hour UTC windows tied for the largest share (47%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (64%); the estimated median was -7 dB.

Overview

169

Messages attributed

UTC dates decoded

Active 15-min windows

-7 dB

Estimated median S/N

Bands

20m · 96 10m · 73

First attributed message: 2026-06-20
Last attributed message: 2026-10-16 12:24 UTC

Observed FT8 message patterns

Attributed sample: 169 messages
Active dates: 7 UTC dates
Estimated median S/N: -7 dB
Estimated 10th-90th percentile: -16 to 0 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 18, moderate (-15 to -9 dB) 42, strong (≥ -8 dB) 109.

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 EA7AAF in decoded directed-looking exchanges:

F1PBZ · France ×2 5B4AMX · Cyprus BI8SCC · China DN9MDS · Fed. Rep. of Germany EA8UP · Canary Islands ER3CT · Moldova OH2ZZ · Finland YO3SL · Romania DL5MKR · Fed. Rep. of Germany DL9KM · Fed. Rep. of Germany F5IXN · France F5NNN · 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 EA7AAF

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: IM77 · 110 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 2,538 km (approx.)
Last such locator decoded: 2026-10-16 12:21 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	EA7AAF S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-16 12:24	10m	-14 / -	YO3SL	- / -7	2	✓ Closing fragment
10-16 12:21	10m	-17 / -	DN9MDS	- / -12	3	✓ Closing fragment
10-16 12:18	10m	-11 / -	SM2JEB	- / -	5	Partial capture
10-13 12:52	10m	-8 / -	CN8NS	- / -	2	Partial capture
10-13 12:47	10m	-14 / -	ER3CT	- / -13	3	✓ Closing fragment
10-13 12:45	10m	-13 / -	IS0AWZ	- / -	3	Partial capture
10-13 12:39	10m	-12 / -	EC1DD	- / -	2	Partial capture
10-13 12:37	10m	-12 / -	EX8ABR	- / -	3	Partial capture
10-13 12:35	10m	-9 / -	5B4AMX	- / -10	3	✓ Closing fragment
09-25 12:27	10m	-6 / -	R7KIN	- / -16	2	Partial capture
09-25 12:24	10m	-10 / -	BI8SCC	- / -	3	✓ Closing fragment
09-25 12:21	10m	-5 / -	7Z1BQ	- / -	5	Partial capture
09-25 12:18	10m	-3 / -	HA0AA	- / -	3	Partial capture
09-25 12:15	10m	-7 / -	OH2ZZ	- / +3	2	✓ Closing fragment
08-20 07:47	20m	-4 / -	9H4JX	- / -	2	Partial capture
08-11 20:37	10m	-16 / -	EA8UP	0 / -	3	✓ Full exchange observed
08-11 20:32	20m	-6 / -	UT2PC	- / -6	2	✓ Closing fragment
08-11 20:29	20m	-4 / -	JA1HOX	- / -14	4	✓ Closing fragment
08-11 20:25	20m	-1 / -	JA1HOX	- / -14	2	Partial capture
08-11 20:20	20m	+2 / -	PD4PJH	- / -23	2	✓ Closing fragment
08-11 20:18	20m	+2 / -	OH1LA	- / -12	2	✓ Closing fragment
08-11 20:15	20m	-1 / -	UN0GY	- / -12	3	✓ Closing fragment
08-11 20:13	20m	0 / -	DL5MKR	-17 / -3	3	✓ Closing observed
08-11 20:11	20m	-4 / -	M7KNM	-9 / -9	3	Partial capture
08-11 20:06	20m	-8 / -	OH1LA	- / -13	3	Partial capture
08-11 20:04	20m	-5 / -	JA4MOK	- / -15	2	✓ Closing fragment
08-11 20:03	20m	-4 / -1	F5IXN	+2 / -	4	✓ Full exchange observed
08-11 19:59	20m	-5 / -	TT1GD	- / -14	3	Partial capture
08-11 19:57	20m	-6 / -10	R4FDW	-23 / -15	4	Partial capture
08-11 19:54	20m	-4 / -	VR2VAZ	- / -18	2	✓ Closing fragment
08-11 19:53	20m	-4 / -8	DL9KM	-18 / -1	4	✓ Full exchange observed
08-11 19:51	20m	-2 / -	DL5MKR	-18 / -4	3	Partial capture
08-11 19:51	20m	-4 / -9	F1PBZ	+6 / +4	4	✓ Full exchange observed
08-11 08:20	20m	- / -	OK1VVZ	-12 / -	3	Partial capture
08-11 08:17	20m	- / -	OK1VVZ	-15 / -	3	Partial capture
08-11 07:09	20m	- / -16	RW3QW	-6 / -	2	✓ Closing fragment
08-11 06:52	20m	-9 / -	ZL1RPC	- / -19	4	Partial capture
07-25 06:37	10m	- / -14	F1PBZ	-8 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
125115 -12 2210  CQ EA7AAF IM77
125215  -9 2210  CN8NS EA7AAF IM77 (x2)
125345 -13 2210  IS0AWZ EA7AAF IM77
121830 -13 2232  SM2JEB EA7AAF IM77 (x5)
122100 -14 2232  YC1IVW EA7AAF IM77
122130 -16 2232  DN9MDS EA7AAF IM77 (x3)
122400 -12 2232  YO3SL EA7AAF -07 (x2)

20m

UTC    dB Audio  Message
202515  -1 3048  KB9ZM EA7AAF -24
202545  -1 3049  JA1HOX EA7AAF -14 (x2)
202645  +0 3048  CQ EA7AAF IM77 (x2)
202845  -3 3048  R2FDP EA7AAF IM77
202915  -5 3048  JA1HOX EA7AAF -14 (x4)
203115  -6 3048  CQ EA7AAF IM77
203215  -8 3048  UT2PC EA7AAF R-06 (x2)
074745  -2 2927  9H4JX EA7AAF IM77 (x2)

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

CW history is temporarily unavailable.

Explore CW reception at SO8OO

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