9H5DX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Malta Most frequent locator attributed to this token: JM75

Receiver-side FT8 activity involving 9H5DX, decoded by SO8OO in southeastern Poland. 443 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 14 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-06-28.

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 443 FT8 messages attributed to 9H5DX as the transmitting token by decoded message structure across 14 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (64%), followed by 40 m (36%). Several six-hour UTC windows tied for the largest share (54%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (64%); the estimated median was -5.6 dB.

Overview

443

Messages attributed

UTC dates decoded

Active 15-min windows

-5.6 dB

Estimated median S/N

Bands

40m · 160 20m · 283

First attributed message: 2026-06-07
Last attributed message: 2026-06-28 21:57 UTC

Observed FT8 message patterns

Attributed sample: 443 messages
Active dates: 14 UTC dates
Estimated median S/N: -5.6 dB
Estimated 10th-90th percentile: -14 to +10 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 18, moderate (-15 to -9 dB) 143, strong (≥ -8 dB) 282.

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 9H5DX in decoded directed-looking exchanges:

6K2MAS · Republic of Korea 9K2ET · Kuwait 9K2OK · Kuwait BI4XDT · China F4NGR · France F5IXN · France IU0CSH · Italy JF1KSP · Japan M0KCQ · England PA8S · Netherlands R2GBR · European Russia RD3TBQ · European Russia

Most frequent locator attributed to 9H5DX

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: JM75 · 120 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,697 km (approx.)
Last such locator decoded: 2026-06-28 21:56 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	9H5DX S/N	Counterpart	Counterpart S/N	Msgs	Capture
06-28 21:56	20m	-14 / -	M0KCQ	-12 / -13	3	✓ Closing observed
06-28 21:51	20m	- / -7	M0KCQ	-7 / -	5	Partial capture
06-28 16:28	20m	- / -19	EW1MN	-18 / -	3	Partial capture
06-28 16:24	20m	- / -	DM8KJ	-14 / -	4	Partial capture
06-27 20:07	20m	-6 / -	9K2ET	- / -7	2	✓ Closing fragment
06-27 20:05	20m	-7 / -	JF1KSP	- / -22	3	✓ Closing fragment
06-27 18:42	20m	- / -8	9K2OK	-12 / -	3	✓ Closing fragment
06-27 17:46	20m	-20 / -	BI8SCC	- / -25	6	Partial capture
06-24 04:31	40m	- / -4	II3DRC	-10 / -	2	✓ Closing fragment
06-23 20:25	20m	- / -8	F4NGR	-15 / -	3	✓ Closing fragment
06-23 20:21	20m	-8 / -	6K2MAS	- / -12	6	✓ Closing fragment
06-23 19:06	20m	- / -	M0IOW	-12 / -	2	Partial capture
06-23 18:56	20m	- / -	RX6DA	-15 / -	2	Partial capture
06-23 18:54	20m	-16 / -	F5IXN	-8 / -	3	✓ Closing observed
06-23 18:54	20m	- / -	SV1QEW	-17 / -	2	Partial capture
06-23 18:52	20m	-15 / -4	RD3TBQ	+8 / +1	4	✓ Full exchange observed
06-23 18:49	20m	-12 / -10	PA8S	+5 / +1	10	✓ Full exchange observed
06-23 18:48	20m	-14 / -3	IU0CSH	-7 / -	8	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
162700 -13  817  9H5DX DM8KJ JO50
162830 -18 1575  9H5DX EW1MN KO33 (x3)
163430 -19  932  9H5DX J40GAY KM17
215100  -7 2607  9H5DX M0KCQ IO92 (x5)
215615 -13  885  CQ 9H5DX JM75
215645 -14  884  M0KCQ 9H5DX -13 (x2)
215730 -12 2607  9H5DX M0KCQ 73
215745 -14  885  K2RY 9H5DX -21

40m

UTC    dB Audio  Message
043130 -10 2555  9H5DX II3DRC -04 (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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