F5MLJ — 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: France Most frequent locator attributed to this token: JN07

Receiver-side FT8 activity involving F5MLJ, decoded by SO8OO in southeastern Poland. 31 FT8 messages attributed to this token as transmitter, on 40m, across 3 UTC dates in the available aggregate history. Observed between 2026-10-20 and 2026-10-22.

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 31 FT8 messages attributed to F5MLJ as the transmitting token by decoded message structure across 3 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (100%). Several six-hour UTC windows tied for the largest share (100%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (61%); the estimated median was -7 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-7 dB

Estimated median S/N

Bands

40m · 31

First attributed message: 2026-10-20
Last attributed message: 2026-10-22 19:23 UTC

Observed FT8 message patterns

Attributed sample: 31 messages
Active dates: 3 UTC dates
Estimated median S/N: -7 dB
Estimated 10th-90th percentile: -13 to -1 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1, moderate (-15 to -9 dB) 11, strong (≥ -8 dB) 19.

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 F5MLJ in decoded directed-looking exchanges:

DB2HA · Fed. Rep. of Germany DH5BM · Fed. Rep. of Germany DL4DP · Fed. Rep. of Germany EA4D · Spain EB2EMZ · Spain F3CJ · France G3RCW · England IU5VLR · Italy PA3GAE · Netherlands SP2KW · Poland SP9EVL · Poland

Most frequent locator attributed to F5MLJ

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: JN07 · 10 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,544 km (approx.)
Last such locator decoded: 2026-10-22 19:23 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	F5MLJ S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-22 19:22	40m	-1 / -	SP5MIG	- / -	2	Partial capture
10-22 18:16	40m	- / -3	EA4D	-3 / -	3	✓ Closing fragment
10-22 18:14	40m	- / -	TA3NK	-2 / -	8	Partial capture
10-21 18:25	40m	-3 / -	DL4DP	- / -10	5	✓ Closing fragment
10-21 18:21	40m	-5 / -	DH5BM	-2 / -15	3	✓ Closing observed
10-21 18:20	40m	-1 / 0	PA3GAE	-1 / -13	5	✓ Full exchange observed
10-20 18:33	40m	- / -	RW1CW	-16 / -	2	Partial capture
10-20 18:31	40m	-12 / -	SP2KW	- / -	4	✓ Closing fragment
10-20 18:29	40m	- / -	RW1CW	-13 / -	3	Partial capture
10-20 18:29	40m	-12 / -14	IU5VLR	-16 / -6	4	✓ Full exchange observed
10-20 18:25	40m	-14 / -	G3RCW	- / -3	2	✓ Closing fragment
10-20 18:23	40m	- / -2	F3CJ	-18 / -	2	✓ Closing fragment
10-20 18:19	40m	-7 / +9	F4BJN	-10 / 0	4	Partial capture
10-20 18:18	40m	-6 / -	SP9EVL	- / -4	2	✓ Closing fragment
10-20 18:10	40m	- / +3	DB2HA	-1 / -	5	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
181530  -2 1180  F5MLJ TA3NK KM39
181530  +1  952  F5MLJ PA7D JO23
181600  +0 1180  F5MLJ TA3NK KM39 (x2)
181630  -3  952  F5MLJ EA4D IN80 (x2)
181730  -2 1180  F5MLJ TA3NK KM39
181730  -6  952  F5MLJ EA4D 73
181800  -1 1180  F5MLJ TA3NK KM39 (x2)
191345  -7 1174  CQ F5MLJ JN07
191500 -16 2415  F5MLJ EB3BKW -18
192245  +0  566  SP5MIG F5MLJ JN07 (x2)
171630  -3 2175  F5MLJ ES2AJ +06

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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