EA7KUH — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Spain Most frequent locator attributed to this token: IM86

Receiver-side FT8 activity involving EA7KUH, decoded by SO8OO in southeastern Poland. 498 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 47 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-10-12.

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 498 FT8 messages attributed to EA7KUH as the transmitting token by decoded message structure across 47 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (50%), followed by 20 m (41%) and 80 m (9%). Most decodes (92%) fell within the six-hour window 15:00-21:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -15 dB.

Overview

498

Messages attributed

UTC dates decoded

120

Active 15-min windows

-15 dB

Estimated median S/N

Bands

80m · 45 40m · 248 20m · 205

First attributed message: 2026-06-07
Last attributed message: 2026-10-12 16:21 UTC

Observed FT8 message patterns

Attributed sample: 498 messages
Active dates: 47 UTC dates
Estimated median S/N: -15 dB
Estimated 10th-90th percentile: -22 to -6 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 227, moderate (-15 to -9 dB) 179, strong (≥ -8 dB) 92.

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 EA7KUH in decoded directed-looking exchanges:

RN6MA · European Russia ×2 PD0IFI · Netherlands ×2 PD1HBL · Netherlands ×2 ON5VKE · Belgium ×2 EA8UP · Canary Islands HB9CNU · Switzerland IK4LZH · Italy IW2HUS · Italy RU3GF · European Russia CT7AIU · Portugal DH2RL · Fed. Rep. of Germany DK5UP · Fed. Rep. of Germany

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 EA7KUH

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: IM86 · 294 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 2,484 km (approx.)
Last such locator decoded: 2026-10-09 19:06 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	EA7KUH S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-16 17:58	40m	- / +2	EA7LIC	-8 / -	2	✓ Closing fragment
10-16 17:50	40m	- / -	LZ2VQ	-9 / -	3	Partial capture
10-12 18:57	80m	- / -11	F4IAA	-9 / -	2	✓ Closing fragment
10-12 16:20	40m	-14 / -	EA3ACA	- / +7	2	✓ Closing fragment
10-09 18:46	40m	- / -12	EA4BPO	-12 / -	4	✓ Closing fragment
10-09 18:27	40m	- / -6	EA5GY	-4 / -	2	✓ Closing fragment
10-09 18:23	40m	- / -3	EC1COU	-10 / -	2	Partial capture
10-09 18:17	40m	- / -6	EA1FTH	-1 / -	2	Partial capture
10-09 18:11	40m	-12 / -13	S53AK	-2 / -	5	✓ Closing observed
10-09 18:04	40m	-14 / +6	EA3NE	-8 / -	3	✓ Closing observed
10-06 17:29	40m	-7 / -9	ON5VKE	-3 / -25	6	✓ Full exchange observed
10-06 17:24	40m	-13 / -13	S57ACD	-5 / -17	3	Partial capture
10-06 17:13	40m	-6 / -	OZ1A	- / -	2	Partial capture
10-01 18:56	40m	-8 / -	BG5JKZ	- / -	4	Partial capture
10-01 18:48	40m	-6 / +8	EH5FVP	-3 / +1	3	Partial capture
10-01 18:45	40m	-9 / -6	F1LPT	-12 / -14	7	✓ Full exchange observed
10-01 18:07	40m	- / -	IN3IZQ	-5 / -	8	Partial capture
10-01 18:04	40m	-4 / 0	IC8TEM	-6 / -5	4	✓ Full exchange observed
10-01 18:02	40m	+4 / -17	UA4FEN	-4 / -8	5	✓ Full exchange observed
10-01 18:00	40m	-3 / -	EU4BE	- / -18	4	✓ Closing fragment
10-01 17:57	40m	-4 / -	UA4FEN	- / -18	6	Partial capture
10-01 17:56	40m	-5 / -	EH5FVP	-8 / -	3	Partial capture
10-01 17:54	40m	-6 / -	EA4DZR	- / -1	3	✓ Closing fragment
10-01 17:50	40m	-2 / -	EA3IMX	- / -	2	Partial capture
10-01 16:32	40m	- / -16	RW3ZC	-12 / -	2	Partial capture
10-01 16:30	40m	- / -14	DH0GBC	+8 / -	3	✓ Closing fragment
10-01 16:26	40m	- / -13	9A2LM	-13 / -	2	✓ Closing fragment
10-01 16:21	40m	-15 / -23	SP1MGM	-2 / -	3	✓ Closing observed
10-01 16:19	40m	- / -9	IZ4AIF	+10 / -	4	Partial capture
09-30 18:58	80m	- / -15	IU4QQE	-13 / -	2	✓ Closing fragment
09-29 18:44	60m	- / -12	EA1MX	-10 / -	2	✓ Closing fragment
09-29 18:41	60m	- / -25	ON7GB	+4 / -	5	✓ Closing fragment
09-29 18:29	40m	- / -1	G0HSP	-2 / -	3	✓ Closing fragment
09-29 18:25	40m	-14 / -	DC9GT	- / -16	2	Partial capture
09-29 18:18	40m	-10 / +1	EA7ST	+10 / +3	5	✓ Full exchange observed
09-29 18:15	40m	-7 / -6	R6DJR	0 / -11	5	✓ Full exchange observed
09-29 18:11	40m	-12 / -3	ON7AN	0 / -10	5	✓ Full exchange observed
09-29 18:11	40m	-10 / +1	DB8BT	-2 / -13	6	✓ Full exchange observed
09-27 17:57	40m	- / -1	EA1IOK	-13 / -	2	✓ Closing fragment
09-27 17:55	40m	-16 / -	HA1BF	- / -	2	Partial capture
09-27 17:48	40m	- / -15	9A4AA	-4 / -	2	Partial capture
09-27 17:43	40m	-10 / -3	M7HET	-12 / -7	3	✓ Full exchange observed
09-27 17:42	40m	-10 / -	EA2AWS	- / -	2	Partial capture
09-27 17:39	40m	-12 / -	EA7GMQ	- / -	2	Partial capture
09-22 18:12	40m	-14 / -	RC6AO/P	- / -	6	Partial capture
09-22 17:03	40m	- / -24	PD1HBL	-9 / -	4	✓ Closing fragment
09-22 16:51	40m	- / -15	IU8RFW	-17 / -	3	✓ Closing fragment
09-22 16:49	40m	- / -12	PD0LH	-12 / -	2	Partial capture
09-22 16:44	40m	- / -6	F1PBZ	-5 / -	3	Partial capture
09-21 18:07	40m	- / -16	ON3MOH	-6 / -	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
182345 -10  828  EA7KUH EC1COU -03
182730  -5 1740  EA7KUH EA5GY -06 (x2)
184615 -13 2386  EA7KUH EA4BPO -12 (x4)
162030 -15  982  EA3ACA EA7KUH R+07 (x2)
175000  -5 1944  EA7KUH LZ2VQ KN23 (x3)
175615 -10 1861  EA7KUH EA1AUO -13
175815 -10 1898  EA7KUH EA7LIC +02 (x2)

80m

UTC    dB Audio  Message
184800 +11 1463  EA7KUH DL6NDN -25
184830 +15 1653  EA7KUH EA6Y RR73
184830 +12 1463  EA7KUH DL6NDN -25 (x3)
184745 -17 1329  EA7KUH DG7WA -16 (x2)
185200  +0 2026  EA7KUH OM7FS JN98 (x2)
185815  -9 1612  EA7KUH IU4QQE -15 (x2)
190645 -16  440  CQ EA7KUH IM86
184715  -5  808  EA7KUH DO5HOK -20
185745  -9 1059  EA7KUH F4IAA -11 (x2)

60m

UTC    dB Audio  Message
193230 -14 1641  EA7KUH EC3A RR73
184100  +5 2260  EA7KUH ON7GB JO21
184100 -13 2610  EA7KUH EA1MX IN73
184130  +3 2260  EA7KUH ON7GB JO21 (x4)
184430  -9 2613  EA7KUH EA1MX R-12 (x2)

20m

UTC    dB Audio  Message
173115 -16 1789  EA7KUH F4IVG -12
185130 -24 1646  CT7AIU EA7KUH IM86 (x3)
185815 -20 2222  EA7KUH JA0LFV -23
105330  -4 2670  EA7KUH DL1R JN58 (x6)
104500 -16 2660  EA4IVO EA7KUH IM86
100900  +6 2255  EA7KUH F1ODM -14 (x2)
105130  -7  859  EA7KUH M9YLR IO83

10m

UTC    dB Audio  Message
075315  +1  276  EA7KUH F5CUN JN26 (x2)
080215 -12 2713  EA7KUH IQ4JO JN63
080815 -12 1689  EA7KUH IW2HUS JN45 (x3)
092945  -4 2677  EA7KUH IQ4JO JN63
084700  -6 1339  EA7KUH DG2SAT R-15 (x3)
103300  -1  867  EA7KUH HB9CNU JN37 (x3)
184400 -19 1779  EA7KUH EA8UP +02 (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.

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