KP4GBF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Puerto Rico Most frequent locator attributed to this token: FK68

Receiver-side FT8 activity involving KP4GBF, decoded by SO8OO in southeastern Poland. 43 FT8 messages attributed to this token as transmitter, on 40m, across 2 UTC dates in the available aggregate history. Observed between 2026-09-13 and 2026-09-14.

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 43 FT8 messages attributed to KP4GBF 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 (100%). In this small sample, the estimated median decoder S/N was -16 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-16 dB

Estimated median S/N

Bands

40m · 43

First attributed message: 2026-09-13
Last attributed message: 2026-09-14 00:33 UTC

Observed FT8 message patterns

Attributed sample: 43 messages
Active dates: 2 UTC dates
Estimated median S/N: -16 dB
Estimated 10th-90th percentile: -20 to -14 dB
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 33, moderate (-15 to -9 dB) 10, 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 KP4GBF in decoded directed-looking exchanges:

7Z1BQ · Saudi Arabia EA1Y · Spain K2LGE · United States K8GED · United States KC4WQ · United States OK1AYM · Czech Republic PD0IFI · Netherlands PD2TX · Netherlands R3SN · European Russia RV3IO · European Russia RX3ASQ · European Russia SV9QWC · Crete

Most frequent locator attributed to KP4GBF

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: FK68 · 12 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 8,360 km (approx.)
Last such locator decoded: 2026-09-14 00:30 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	KP4GBF S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-14 01:16	60m	- / -	WP3UX	-14 / -	4	Partial capture
09-14 01:15	60m	- / -	IW8PQ	-19 / -	2	Partial capture
09-14 01:07	60m	- / -	F1IQH	-8 / -	4	Partial capture
09-14 01:07	60m	- / -8	PE1MHY	+3 / -	2	✓ Closing fragment
09-14 00:32	40m	-20 / -	F4CQS	- / -16	3	Partial capture
09-14 00:30	40m	-20 / -	VA3LG	- / -	2	✓ Closing fragment
09-14 00:29	40m	- / -13	F4CQS	-2 / -	3	Partial capture
09-14 00:24	40m	-15 / -	W2TGR	- / -4	5	Partial capture
09-14 00:16	40m	-18 / -15	SV9QWC	-7 / -15	6	✓ Full exchange observed
09-14 00:14	40m	-18 / -	VE2QH	- / -2	3	✓ Closing fragment
09-14 00:11	40m	- / -	TA4SSK	-15 / -	2	Partial capture
09-14 00:07	40m	-16 / -	OK1AYM	- / -12	6	✓ Closing fragment
09-14 00:06	40m	-16 / -	KC4WQ	- / -9	2	✓ Closing fragment
09-14 00:04	40m	-16 / -	K8GED	- / -8	2	✓ Closing fragment
09-14 00:03	40m	-13 / -	VE3XN	- / +5	2	✓ Closing fragment
09-13 23:59	40m	-17 / -9	EA1Y	-20 / -9	6	✓ Full exchange observed
09-13 23:53	40m	-15 / -	K2LGE	- / -6	2	✓ Closing fragment
09-13 23:49	40m	- / -	HB9TIH	-12 / -	12	Partial capture
09-13 23:44	40m	- / -6	PD0IFI	-7 / -	3	✓ Closing fragment
08-03 03:21	20m	- / -12	7Z1BQ	-10 / -	2	✓ Closing fragment
07-27 01:07	40m	- / -	R2AL	+2 / -	3	Partial capture
07-27 01:00	40m	- / -	RV3IO	-12 / -	2	✓ Closing fragment
07-27 00:49	40m	- / -	RX6LN	-10 / -	4	Partial capture
07-27 00:34	40m	- / -3	UA3IAP	-20 / -	2	Partial capture
07-27 00:30	40m	- / -9	PD2TX	-13 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

60m

UTC    dB Audio  Message
010715  +4  728  KP4GBF PE1MHY -08
010715 -16 1122  KP4GBF F1IQH JN27
010745  +2  728  KP4GBF PE1MHY RR73
010745  -2 1122  KP4GBF F1IQH JN27 (x3)
011500 -18 1939  KP4GBF IW8PQ JM78 (x2)
011630 -18 1063  KP4GBF WP3UX FK68 (x4)
013545 -21 1521  KP4GBF WB4MNK -11

40m

UTC    dB Audio  Message
001945 -17 1585  SV9QWC KP4GBF 73
002430 -16 1198  W2TGR KP4GBF R-04 (x5)
002900 -14 1198  CQ KP4GBF FK68
002915  +0 1830  KP4GBF F4CQS -13 (x2)
003000 -21 1900  VA3LG KP4GBF FK68
003015  -1 1830  KP4GBF F4CQS -13
003100 -20 1900  VA3LG KP4GBF 73
003230 -21 1900  F4CQS KP4GBF R-16 (x3)

20m

UTC    dB Audio  Message
032100 -11 1053  KP4GBF 7Z1BQ -12 (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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