AJ4MP — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: EM77

Receiver-side FT8 activity involving AJ4MP, decoded by SO8OO in southeastern Poland. 8 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 2 UTC dates in the available aggregate history. Observed between 2026-08-27 and 2026-08-28.

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 8 FT8 messages attributed to AJ4MP 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 (88%), followed by 20 m (13%). In this small sample, the estimated median decoder S/N was -23 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-23 dB

Estimated median S/N

Bands

40m · 7 20m · 1

First attributed message: 2026-08-27
Last attributed message: 2026-08-28 03:22 UTC

Observed FT8 message patterns

Attributed sample: 8 messages
Active dates: 2 UTC dates
Estimated median S/N: -23 dB
S/N percentile sample: Too small
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 8, moderate (-15 to -9 dB) 0, strong (≥ -8 dB) 0.

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 AJ4MP in decoded directed-looking exchanges:

CT2HEX · Portugal DL1UDO · Fed. Rep. of Germany K1EDR · United States SV5BYP · Dodecanese AD8J · United States AG2K · United States EC5M · Spain F4IFO · France KF9TS · United States KI4EKR · United States NP4PS · Puerto Rico NR4L · United States

Most frequent locator attributed to AJ4MP

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: EM77 · 3 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 7,943 km (approx.)
Last such locator decoded: 2026-08-28 03:08 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	AJ4MP S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-28 02:42	40m	- / -	KF9TS	-20 / -	2	✓ Closing fragment
08-27 03:25	40m	- / -	F5NNN	-3 / -	6	Partial capture
08-27 03:23	40m	-24 / -1	WA4YIZ	-20 / -	4	✓ Closing observed
08-27 03:16	40m	- / -14	US1VM	+16 / -	4	Partial capture
08-27 03:11	40m	- / -	PC2J	+2 / -	2	Partial capture
08-27 02:54	40m	- / -	NP4PS	-18 / -	2	✓ Closing fragment
08-27 02:47	40m	- / -24	OZ1KEF	-10 / -	2	✓ Closing fragment
08-27 02:39	40m	- / -13	F4IFO	-9 / -	3	✓ Closing fragment
08-27 02:25	40m	- / -16	EC5M	-8 / -	2	✓ Closing fragment
08-27 02:12	40m	- / -13	WA4MB	-14 / -	2	Partial capture
08-27 01:44	40m	- / -1	KI4EKR	-16 / -	3	✓ Closing fragment
08-27 01:39	40m	- / +2	W4BSS	-2 / -	2	✓ Closing fragment
08-27 01:09	40m	- / +1	NR4L	-15 / -	2	✓ Closing fragment
08-27 00:16	20m	-17 / -14	SV5BYP	-12 / -	3	✓ Closing observed
08-27 00:10	20m	- / -19	DL1UDO	-5 / -	4	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
032500  -6  911  AJ4MP F5NNN IN94 (x6)
021800 -22 1366  WB8UPO AJ4MP EM77
022400 -24 1366  KC9IVQ AJ4MP R+02
023215 -24 1906  AJ4MP DK7ZT -15
024200 -21 1354  AJ4MP KF9TS R+20 (x2)
030815 -24 1390  YL3CU AJ4MP EM77
031430 -11 1389  AJ4MP EA5HKZ IM98
032030 -14 2509  AJ4MP WA2HIP -14
032245 -21 1628  WW9WTF AJ4MP R+02

20m

UTC    dB Audio  Message
001000  +0  614  AJ4MP DL1UDO JO31 (x4)
001500 -23 1387  AJ4MP K1EDR RR73
001630  -6 2056  AJ4MP SV5BYP -14 (x2)
001715 -17 2401  SV5BYP AJ4MP 73
002400  -9  872  AJ4MP CT2HEX RR73
003600 -23 2125  AJ4MP KR4EBE +02

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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