EB3AM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Spain Most frequent locator attributed to this token: JN02

Receiver-side FT8 activity involving EB3AM, decoded by SO8OO in southeastern Poland. 157 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 16 UTC dates in the available aggregate history. Observed between 2026-06-11 and 2026-09-04.

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 157 FT8 messages attributed to EB3AM as the transmitting token by decoded message structure across 16 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (80%), followed by 40 m (13%) and 80 m (7%). Most decodes (52%) 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

157

Messages attributed

UTC dates decoded

Active 15-min windows

-7 dB

Estimated median S/N

Bands

80m · 11 40m · 20 20m · 126

First attributed message: 2026-06-11
Last attributed message: 2026-09-04 22:53 UTC

Observed FT8 message patterns

Attributed sample: 157 messages
Active dates: 16 UTC dates
Estimated median S/N: -7 dB
Estimated 10th-90th percentile: -18 to +7 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 25, moderate (-15 to -9 dB) 48, strong (≥ -8 dB) 84.

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 EB3AM in decoded directed-looking exchanges:

BV2NF · Taiwan OK1WCF · Czech Republic V31MA · Belize WI1U · United States XV9T · Vietnam DL7ACA · Fed. Rep. of Germany DL9KM · Fed. Rep. of Germany PD0LBY · Netherlands UA9CR · Asiatic Russia W4WYF · United States YO6LM · Romania E70SZ · Bosnia-Herzegovina

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 EB3AM

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: JN02 · 115 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,792 km (approx.)
Last such locator decoded: 2026-09-04 22:50 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	EB3AM S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-07 22:45	40m	- / -	IU8RFW	-8 / -	2	Partial capture
09-04 22:52	40m	-14 / -1	PD0LBY	-4 / -10	6	✓ Full exchange observed
09-04 22:49	40m	-14 / -	VJ6X	- / -	4	Partial capture
09-04 22:45	40m	-15 / -	RI1FJL	- / -	3	Partial capture
08-22 19:05	20m	+12 / -	WI1U	-14 / -17	3	✓ Closing observed
08-22 19:02	20m	+9 / -	BV2NF	- / -13	4	✓ Closing fragment
08-17 16:14	20m	-21 / -	VK2WW	- / -	2	Partial capture
08-16 15:59	20m	-10 / -15	<...>	-9 / -	2	Partial capture
08-16 15:56	20m	-16 / -	<...>	- / -	2	Partial capture
07-27 23:31	20m	- / -12	V31MA	-13 / -	2	✓ Closing fragment
07-27 23:04	40m	- / -	EA3EDU	-12 / -	17	Partial capture
07-27 23:01	40m	- / -10	YO6LM	-14 / -	2	✓ Closing fragment
07-27 05:53	20m	-8 / -	NL5NE	- / -	2	Partial capture
07-27 05:47	20m	-6 / -	NL8F	- / -	11	Partial capture
07-27 05:43	20m	-7 / -	C91RU	- / -	7	Partial capture
07-27 05:40	20m	-4 / -	KL5NE	- / -	2	Partial capture
07-19 23:36	40m	-16 / -	UA9CR	-15 / -8	3	✓ Closing observed
07-19 23:34	40m	- / -	DL7ACA	-4 / -	2	✓ Closing fragment
07-19 23:12	40m	- / -	DL7ACA	-4 / -	2	Partial capture
07-19 23:11	40m	-22 / -	W4WYF	- / -	2	✓ Closing fragment
07-19 23:02	40m	- / -2	DL9KM	-4 / -	3	✓ Closing fragment
07-19 06:07	20m	-15 / -	T22TT	- / -	3	Partial capture
07-18 18:11	20m	-8 / -	EX8ABR	- / -	3	Partial capture
07-18 18:09	20m	-10 / -	RX0AT	- / -	3	Partial capture
07-18 18:06	20m	-10 / -	XV9T	- / -11	2	✓ Closing fragment
06-28 20:57	80m	- / -2	SV2FNT	+5 / -	3	Partial capture
06-28 20:48	80m	-21 / -18	E70SZ	+7 / -7	5	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
224545 -12  999  RI1FJL EB3AM JN02 (x2)
224900 -12 1029  VJ6X EB3AM JN02 (x4)
225215  -1 1533  EB3AM PD0LBY JO22 (x2)
225300 -15 1030  PD0LBY EB3AM -10
225315  -7 1533  EB3AM PD0LBY R-01
225330 -14 1029  PD0LBY EB3AM RR73
225345  -6 1533  EB3AM PD0LBY 73
224500  -7 1030  EB3AM IU8RFW JN70
224500  +0  406  EB3AM EA1AOC IN83
224530 -10 1031  EB3AM IU8RFW JN70

20m

UTC    dB Audio  Message
155615 -17 1194  <...> EB3AM JN02 (x3)
160000  -9  452  EB3AM <...> -15
161430 -18 1975  VK2WW EB3AM JN02 (x2)
161530  +1  877  CQ VK EB3AM JN02
190200  +3 1190  BV2NF EB3AM JN02 (x4)
190500 +11  276  WI1U EB3AM R-17 (x2)
190545 -14 1228  EB3AM WI1U RR73
092915 -13 1638  RI1FJL EB3AM JN02

80m

UTC    dB Audio  Message
204900 -21 1165  E70SZ EB3AM -07
204915  +8 1166  EB3AM E70SZ R-18 (x2)
205000 -21 1165  CQ DX EB3AM JN02 (x7)
205745  +7 1229  EB3AM SV2FNT -02 (x2)
205830  -3 1165  CQ DX EB3AM JN02
205845  +3 1229  EB3AM SV2FNT -02
205900  -4 1165  CQ DX EB3AM JN02

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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