EA3RM — 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: JN11

Receiver-side FT8 activity involving EA3RM, decoded by SO8OO in southeastern Poland. 105 FT8 messages attributed to this token as transmitter, on 40m, across 2 UTC dates in the available aggregate history. Observed between 2026-10-31 and 2026-11-03.

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 105 FT8 messages attributed to EA3RM as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (100%). In this small sample, the estimated median decoder S/N was -8 dB; no usual signal pattern is inferred.

Overview

105

Messages attributed

UTC dates decoded

Active 15-min windows

-8 dB

Estimated median S/N

Bands

40m · 105

First attributed message: 2026-10-31
Last attributed message: 2026-11-03 21:41 UTC

Observed FT8 message patterns

Attributed sample: 105 messages
Active dates: 2 UTC dates
Estimated median S/N: -8 dB
Estimated 10th-90th percentile: -14 to -4 dB
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 9, moderate (-15 to -9 dB) 40, strong (≥ -8 dB) 56.

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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with EA3RM in decoded directed-looking exchanges:

5Q1X · Denmark A71AH · Qatar CT7AXN · Portugal DL1ARS · Fed. Rep. of Germany DL5DQZ · Fed. Rep. of Germany EA7LCY · Spain HB9BLA · Switzerland LA2GCA · Norway LA2XNA · Norway M7KEV · England OH3OJ · Finland R6DVS · European Russia

Most frequent locator attributed to EA3RM

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: JN11 · 51 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,727 km (approx.)
Last such locator decoded: 2026-11-03 21:41 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	EA3RM S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-03 21:41	40m	-14 / -	3A2LF	- / -	2	Partial capture
11-03 21:28	40m	-11 / -	F8BUU/P	- / -15	4	Partial capture
11-03 21:17	40m	-3 / -	IU5VLR	- / -17	2	Partial capture
11-03 21:13	40m	-6 / -	HB9BLA	- / -8	2	✓ Closing fragment
11-03 21:09	40m	-4 / -	RZ4FWA	- / -21	5	Partial capture
11-03 21:07	40m	-10 / -	DL1ARS	- / -5	2	✓ Closing fragment
11-03 21:06	40m	-7 / -	SP2FTL	- / -6	2	✓ Closing fragment
10-31 19:56	40m	-8 / -5	CT7AXN	-4 / +2	5	✓ Full exchange observed
10-31 19:56	40m	-14 / -	M7KEV	- / -6	2	✓ Closing fragment
10-31 19:54	40m	-14 / -	LA2XNA	- / -15	2	✓ Closing fragment
10-31 19:51	40m	-13 / -	R6DVS	- / -1	2	✓ Closing fragment
10-31 19:47	40m	-11 / -	JH5LCN	- / -	2	Partial capture
10-31 19:43	40m	-10 / -	YT2FA	- / -3	2	✓ Closing fragment
10-31 19:40	40m	-7 / -	EC1DD	- / +2	4	Partial capture
10-31 19:39	40m	-4 / -	EA7LCY	- / -15	2	✓ Closing fragment
10-31 19:35	40m	-6 / -	5Q1X	- / -16	2	✓ Closing fragment
10-31 19:31	40m	-6 / -	OH3OJ	- / -3	2	✓ Closing fragment
10-31 19:30	40m	-6 / -	UA4FEN	- / -10	2	✓ Closing fragment
10-31 19:29	40m	-7 / -	YO2MKE	- / -4	2	✓ Closing fragment
10-31 19:27	40m	-4 / -	SP7TF	- / -6	2	✓ Closing fragment
10-31 19:22	40m	-7 / -	EX8ABR	- / -	7	Partial capture
10-31 19:15	40m	-10 / -	RA6MQ/P	- / -13	6	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
212245 -10 1423  CQ EA3RM JN11
212315 -13 1423  SP5MIG EA3RM -20
212700 -14 1422  A71AH EA3RM 73
212800 -10 1422  F8BUU/P EA3RM JN11 (x2)
212900 -10 1422  <CN51MV> EA3RM JN11
212930 -15 1423  F8BUU/P EA3RM R-15 (x2)
213415  -9 1047  ZZ5UNO EA3RM JN11
213545 -13 1839  CQ EA3RM JN11 (x3)
213715 -18 1839  F1PBZ EA3RM R-05
214115 -14 1962  3A2LF EA3RM JN11 (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

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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