JO4GGN — 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: Japan

Receiver-side FT8 activity involving JO4GGN, decoded by SO8OO in southeastern Poland. 3 FT8 messages attributed to this token as transmitter, on 10m, across 1 UTC dates in the available aggregate history. Last observed 2026-10-24.

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 3 FT8 messages attributed to JO4GGN as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The available sample contains attributed decodes on 10 m (100%). The sample is too small to infer a recurring UTC-hour or received-S/N pattern.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

S/N pattern not inferred

Bands

10m · 3

First attributed message: 2026-10-24
Last attributed message: 2026-10-24 07:45 UTC

Observed FT8 message patterns

Attributed sample: 3 messages
Active dates: 1 UTC dates
S/N summary: Too few decodes
S/N percentile sample: Too small
Recurring-pattern threshold: Not met

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 JO4GGN in decoded directed-looking exchanges:

CT3MD · Madeira Islands EI4KF · Ireland HZ1TT · Saudi Arabia R9FFZ · European Russia SP7IIT · Poland SP8MO · Poland SV1FJR · Greece UA9FLJ · European Russia V51WH · Namibia

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	JO4GGN S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-06 09:28	10m	- / -14	EI4KF	-2 / -	2	✓ Closing fragment
10-24 08:07	10m	- / -19	R9FFZ	-15 / -	5	✓ Closing fragment
10-24 07:45	10m	-8 / -11	UA9FLJ	-16 / -	2	✓ Closing observed
10-24 07:43	10m	-8 / -	SP7IIT	- / 0	2	✓ Closing fragment
10-18 09:17	10m	- / -13	SP8MO	-20 / -	2	✓ Closing fragment
10-16 10:29	10m	- / -20	SV1FJR	-10 / -	2	✓ Closing fragment
10-10 11:02	10m	- / -19	CT3MD	-2 / -	2	✓ Closing fragment
09-21 11:37	10m	- / -17	HZ1TT	-15 / -	4	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
103000 -12 1072  JO4GGN SV1FJR RR73
091745 -21 1349  JO4GGN SP8MO -13 (x2)
074345  -9  331  SP7IIT JO4GGN R+00 (x2)
074500 -16 1054  JO4GGN UA9FLJ R-11
074515  -8  331  UA9FLJ JO4GGN RR73
080715 -12 1427  JO4GGN R9FFZ LO89 (x5)
090100 -14 1830  JO4GGN CT3IQ IM12
092815  -1 2656  JO4GGN EI4KF -14 (x2)

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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