F4HJO — 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: JN09

Receiver-side FT8 activity involving F4HJO, decoded by SO8OO in southeastern Poland. 102 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, across 12 UTC dates in the available aggregate history. Observed between 2026-08-23 and 2026-10-27.

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 102 FT8 messages attributed to F4HJO as the transmitting token by decoded message structure across 12 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (66%), followed by 40 m (22%) and 60 m (7%). Several six-hour UTC windows tied for the largest share (94%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (70%); the estimated median was -4 dB.

Overview

102

Messages attributed

UTC dates decoded

Active 15-min windows

-4 dB

Estimated median S/N

Bands

80m · 67 60m · 7 40m · 22 20m · 6

First attributed message: 2026-08-23
Last attributed message: 2026-10-27 05:45 UTC

Observed FT8 message patterns

Attributed sample: 102 messages
Active dates: 12 UTC dates
Estimated median S/N: -4 dB
Estimated 10th-90th percentile: -15 to +3 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 9, moderate (-15 to -9 dB) 22, strong (≥ -8 dB) 71.

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 F4HJO in decoded directed-looking exchanges:

SQ8AA · Poland 5Z4VJ · Kenya CN8NS · Morocco D2ACE · Angola ER1CW · Moldova EX7CQ · Kyrgyzstan JY5IB · Jordan K4QVH · United States KI4NPG · United States RN2F · Kaliningrad Z61DX · Republic of Kosovo F5PBG · France

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 F4HJO

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: JN09 · 21 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,491 km (approx.)
Last such locator decoded: 2026-10-27 05:45 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	F4HJO S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-27 03:53	40m	-5 / -	K4QVH	- / -10	2	✓ Closing fragment
10-27 03:50	40m	-6 / -	W1AW/KL7	- / -	3	Partial capture
10-17 04:05	80m	+1 / -	VP2MAW	-17 / -16	4	✓ Closing observed
10-04 06:12	80m	-14 / -	C5R	- / -18	3	Partial capture
10-04 06:06	80m	-12 / -	C5R	- / -	7	Partial capture
10-04 04:05	60m	-12 / -	9T0MD	- / -	2	Partial capture
10-04 03:59	60m	-5 / -14	Z61DX	-15 / -12	6	✓ Full exchange observed
10-01 04:02	80m	0 / +6	GU4WRP	-8 / +7	5	✓ Full exchange observed
10-01 03:48	80m	-1 / -	V47YA	- / -19	24	Partial capture
10-01 03:47	80m	- / -	DL9KM	-8 / -	4	Partial capture
10-01 03:45	80m	- / -	HG8LXL	+9 / -	3	Partial capture
10-01 03:40	80m	-5 / -	TI2SD	- / -17	11	✓ Closing fragment
10-01 03:36	80m	+1 / -	Z61DX	- / -14	2	Partial capture
09-28 03:27	40m	0 / -	JY5IB	- / -16	2	✓ Closing fragment
09-28 03:20	40m	+2 / -	RN2F	- / -1	2	✓ Closing fragment
09-28 03:18	40m	+2 / +4	5Z4VJ	-7 / -9	4	✓ Full exchange observed
09-26 05:51	80m	-24 / -	F5PBG	- / +10	2	✓ Closing fragment
09-19 01:48	40m	+2 / -	IS0OZK	- / -3	2	Partial capture
09-13 05:50	80m	- / -	SP6FME	+11 / -	3	Partial capture
09-13 05:49	80m	-16 / -	VP2MAA	- / -2	2	✓ Closing fragment
09-13 05:21	40m	-14 / -	KI4NPG	- / -4	2	✓ Closing fragment
09-13 05:20	40m	-14 / -18	CN8NS	-18 / +1	3	✓ Full exchange observed
09-13 04:58	40m	-14 / +3	D44TWO	-24 / -	2	Partial capture
09-13 04:38	40m	- / -	IU8RFW	-9 / -	4	Partial capture
09-13 04:37	40m	- / -11	OH3OJ	-7 / -	2	Partial capture
09-13 04:37	40m	- / -7	YO4NF	-8 / -	2	Partial capture
09-13 04:36	40m	-6 / -	D2ACE	- / -15	2	✓ Closing fragment
09-12 05:02	80m	- / -	9A4ZM	+8 / -	2	Partial capture
09-12 05:02	80m	- / -	EA3HMM	-7 / -	3	Partial capture
09-12 05:01	80m	-16 / -	MW7TTA	- / -8	2	✓ Closing fragment
09-12 04:58	40m	- / -	UR4QWW	-13 / -	3	Partial capture
09-12 04:58	40m	- / -5	IK4TVP	-1 / -	6	Partial capture
09-12 02:33	40m	- / -13	EX7CQ	-12 / -	2	✓ Closing fragment
09-08 03:35	80m	-7 / -	CT2GQA	- / -	4	Partial capture
09-08 03:27	80m	-2 / -	CT2GQA	- / -2	3	Partial capture
08-23 09:01	20m	+8 / -	SQ8AA	- / -17	4	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

60m

UTC    dB Audio  Message
035900  -7  753  Z61DX F4HJO -12
035915 -15  973  F4HJO Z61DX R-14
035930  -6  753  Z61DX F4HJO -12
035945 -15  973  F4HJO Z61DX R-14
040000  -2  754  Z61DX F4HJO RR73
040015 -16  973  F4HJO Z61DX 73
040015  -1 2189  F4HJO UT5MB -12
040245  -9  809  9T0MD F4HJO JN09 (x3)
054515 -18 1791  C5R F4HJO JN09

40m

UTC    dB Audio  Message
031900  +3 2043  5Z4VJ F4HJO RR73
031915  -5 2339  F4HJO 5Z4VJ 73
032000  +1 2043  RN2F F4HJO -01 (x2)
032130  -1 2043  KF9UG F4HJO -17
032700  -1 2128  JY5IB F4HJO -16 (x2)
032815 -10  826  F4HJO UR9QQ KN77
052700  -3  939  F4HJO IU8RFW JN70
035045 -11 1884  W1AW/KL7 F4HJO +13 (x3)
035200 +12  687  F4HJO P4/WE9V R-01
035315  -8 1885  K4QVH F4HJO -10 (x2)

80m

UTC    dB Audio  Message
040400  -7 2314  F4HJO GU4WRP 73
060645 -10 1583  C5R F4HJO JN09 (x10)
040515  -6 2054  VP2MAW F4HJO JN09 (x2)
040630 -17  285  F4HJO VP2MAW RR73
040645  +5 1213  VP2MAW F4HJO 73

20m

UTC    dB Audio  Message
085900 -17 1734  F4HJO DK4RH JO31
085915  -7 1731  CQ F4HJO JN09 (x2)
090000  +3 1731  F4HJO YO5PHL KN16
090100  +5 1731  SQ8AA F4HJO -17 (x4)

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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