SV1FJF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Greece Most frequent locator attributed to this token: KM18

Receiver-side FT8 activity involving SV1FJF, decoded by SO8OO in southeastern Poland. 271 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, across 16 UTC dates in the available aggregate history. Observed between 2026-06-14 and 2026-09-16.

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 271 FT8 messages attributed to SV1FJF as the transmitting token by decoded message structure across 16 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (49%), followed by 80 m (42%) and 60 m (8%). Several six-hour UTC windows tied for the largest share (77%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9.8 dB.

Overview

271

Messages attributed

UTC dates decoded

Active 15-min windows

-9.8 dB

Estimated median S/N

Bands

160m · 1 80m · 114 60m · 21 40m · 132 20m · 3

First attributed message: 2026-06-14
Last attributed message: 2026-09-16 22:26 UTC

Observed FT8 message patterns

Attributed sample: 271 messages
Active dates: 16 UTC dates
Estimated median S/N: -9.8 dB
Estimated 10th-90th percentile: -18 to +4 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 57, moderate (-15 to -9 dB) 96, strong (≥ -8 dB) 118.

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 SV1FJF in decoded directed-looking exchanges:

AC8MR · United States CT3MD · Madeira Islands HK3W · Colombia WD4CNO · United States 5Z4VJ · Kenya DJ0MAB · Fed. Rep. of Germany K2AKA · United States KC3LVG · United States KF5VOI · United States KJ5PTH · United States KX8XX · United States KZ7Y · United States

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 SV1FJF

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: KM18 · 209 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,275 km (approx.)
Last such locator decoded: 2026-09-16 16:37 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	SV1FJF S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-16 16:31	80m	-7 / -	KH8WW	- / -20	9	Partial capture
09-16 16:26	80m	-10 / -	KH8WW	- / -	4	Partial capture
09-11 05:14	40m	-10 / -	GX4RAF/P	- / -	4	Partial capture
09-11 05:03	40m	- / -	DK8HC	-8 / -	2	Partial capture
09-11 05:02	40m	- / -4	OS4K	-20 / -	2	Partial capture
09-11 05:01	40m	- / -9	DJ0MAB	+2 / -	3	✓ Closing fragment
09-11 05:00	40m	-6 / -	W9MHD	- / -11	2	Partial capture
09-09 03:50	80m	-10 / -	N4ML	- / -	5	Partial capture
09-09 03:37	80m	-3 / -13	TF4M	-17 / -	2	✓ Closing observed
09-09 03:29	80m	-7 / -7	Z62NS	+9 / -	5	✓ Closing observed
09-05 21:23	40m	- / -	DL9KM	0 / -	6	Partial capture
09-05 21:15	40m	+1 / -	TF4CU	- / -	5	Partial capture
09-05 21:11	40m	-4 / -24	TF4CU	-13 / -	2	Partial capture
09-04 04:04	80m	+4 / -	TF3VS	- / -	3	Partial capture
08-28 02:43	40m	+1 / -	RI1FJL	- / -15	7	Partial capture
08-26 18:34	80m	-12 / -	RI1FJL	- / -	8	Partial capture
08-22 03:47	80m	-11 / -	TF3VS	- / -	4	Partial capture
08-22 03:09	80m	-8 / -	TF3VS	- / -	12	Partial capture
08-22 02:49	80m	0 / -	TF3VS	- / -	25	Partial capture
08-21 03:49	80m	- / -	DO5PY	-10 / -	2	Partial capture
08-21 03:42	80m	-9 / -	LW2DO	- / -17	10	✓ Closing fragment
08-08 04:32	20m	- / -	RA6FSV	-14 / -	2	Partial capture
08-07 04:45	20m	- / -	F5RRS	-7 / -	4	Partial capture
08-07 04:41	20m	- / -	RA6FSV	-12 / -	3	Partial capture
08-07 04:39	20m	- / -9	CT3MD	-12 / -	2	✓ Closing fragment
08-06 04:23	40m	- / +3	RN6MA	-20 / -	2	Partial capture
08-06 04:13	40m	- / +1	RN6MA	-18 / -	3	Partial capture
08-06 03:47	40m	- / +1	RN6MA	-18 / -	3	Partial capture
08-06 03:42	40m	- / +6	RN6MA	-20 / -	4	Partial capture
08-06 03:38	40m	- / -	RN6MA	-14 / -	3	Partial capture
08-06 03:34	40m	- / +6	RN6MA	-20 / -	2	Partial capture
08-06 03:33	40m	-17 / -	KF5VOI	- / -16	2	✓ Closing fragment
08-05 04:27	40m	- / -	RN6MA	-18 / -	4	Partial capture
08-05 04:21	40m	- / +1	UB6OCD	-6 / -	3	Partial capture
08-05 04:11	40m	- / +6	RN6MA	-18 / -	2	Partial capture
08-05 04:06	40m	-15 / +6	RN6MA	-17 / -	5	✓ Closing observed
08-05 04:04	40m	-17 / -	N1EDF	- / -13	2	✓ Closing fragment
08-05 04:02	40m	-21 / -	N4MC	- / -13	2	✓ Closing fragment
08-05 04:01	40m	-16 / -	W1EMM	- / -13	2	✓ Closing fragment
08-05 03:57	40m	-16 / -	5Z4VJ	- / -24	2	✓ Closing fragment
08-05 03:56	40m	- / +3	RN6MA	-14 / -	3	Partial capture
08-05 03:52	40m	-14 / -	KI0E	- / -	5	Partial capture
08-05 03:51	40m	-18 / -	KX8XX	- / -14	2	✓ Closing fragment
08-05 03:49	40m	-18 / -	KI0E	- / -	2	Partial capture
07-26 04:42	20m	- / -	DL1UDO	-10 / -	4	Partial capture
07-26 04:30	20m	- / -5	HK3W	-16 / -	4	✓ Closing fragment
07-26 03:23	20m	- / -	WD4CNO	-11 / -	3	✓ Closing fragment
07-19 02:31	80m	- / -	HA3GX	-7 / -	4	Partial capture
07-19 02:31	80m	- / -	SN93LOT	+7 / -	7	Partial capture
07-19 02:25	80m	-9 / -	AA6KJ	- / -	6	Partial capture

Recent FT8 messages decoded at SO8OO

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

160m

UTC    dB Audio  Message
222615 -21 1702  RI1FJZ SV1FJF R-15

80m

UTC    dB Audio  Message
035330 -10  639  N4ML SV1FJF KM18
162615 -10 2473  KH8WW SV1FJF KM18 (x7)
163300  +4 1378  SV1FJF UA3QNA -17
163315 -11 2489  KH8WW SV1FJF R-20 (x6)

40m

UTC    dB Audio  Message
212600  -1 2084  SV1FJF DL9KM JN68
050015  -5  616  W9MHD SV1FJF KM18 (x2)
050130  +1  617  SV1FJF DJ0MAB JN49 (x2)
050230 -22 1731  SV1FJF OS4K -04
050230  +3  617  SV1FJF DJ0MAB 73
050300 -18 1732  SV1FJF OS4K -04
050300  -7  599  SV1FJF DK8HC JO42 (x2)
051430 -13 1260  GX4RAF/P SV1FJF KM18 (x4)
051700  +4  944  SQ100PKP SV1FJF R-16

20m

UTC    dB Audio  Message
044245  -9 1453  SV1FJF DL1UDO JO31 (x3)
040715  -8 1166  SV1FJF RZ4AZ LN28
043915 -14  928  SV1FJF CT3MD -09 (x2)
044145 -13 1169  SV1FJF RA6FSV LN05 (x3)
044545  -9 2001  SV1FJF F5RRS JN36 (x4)
043245 -13 1381  SV1FJF RA6FSV LN05 (x2)

10m

UTC    dB Audio  Message
073100 -17 1085  SV1FJF UR9QQ KN77 (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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