DH1GB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Most frequent locator attributed to this token: JN37

Receiver-side FT8 activity involving DH1GB, decoded by SO8OO in southeastern Poland. 7 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, across 2 UTC dates in the available aggregate history. Observed between 2026-09-18 and 2026-09-20.

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 7 FT8 messages attributed to DH1GB as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (57%), followed by 160 m (29%) and 40 m (14%). In this small sample, the estimated median decoder S/N was -17 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-17 dB

Estimated median S/N

Bands

160m · 2 80m · 4 40m · 1

First attributed message: 2026-09-18
Last attributed message: 2026-09-20 19:14 UTC

Observed FT8 message patterns

Attributed sample: 7 messages
Active dates: 2 UTC dates
Estimated median S/N: -17 dB
S/N percentile sample: Too small
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 4, moderate (-15 to -9 dB) 3, 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 DH1GB in decoded directed-looking exchanges:

DG2RBH · Fed. Rep. of Germany DL1RAZ · Fed. Rep. of Germany EA3FP · Spain M0LAD · England PA0JAX · Netherlands PD4AVT · Netherlands DA6IT · Fed. Rep. of Germany DH1OK · Fed. Rep. of Germany DL3JHK · Fed. Rep. of Germany DL3RL · Fed. Rep. of Germany

Most frequent locator attributed to DH1GB

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: JN37 · 3 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,116 km (approx.)
Last such locator decoded: 2026-09-20 19:04 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	DH1GB S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-20 19:29	40m	- / -10	PA0JAX	-4 / -	2	✓ Closing fragment
09-20 19:13	80m	-15 / -13	DL3JHK	-19 / -7	5	✓ Full exchange observed
09-20 19:11	80m	-16 / -	DG2EBG	- / -	2	Partial capture
09-20 18:58	80m	- / 0	DM1YS	+6 / -	4	Partial capture
09-20 18:44	160m	-17 / -25	DG2RBH	-1 / -	6	✓ Closing observed
09-18 20:32	80m	- / +1	DL3RL	+15 / -	4	✓ Closing fragment
09-18 20:28	80m	- / -10	DA6IT	-5 / -	5	✓ Closing fragment
09-18 20:26	80m	- / -17	DH1OK	-15 / -	3	✓ Closing fragment
09-18 20:21	80m	- / -2	DK2BK	-10 / -	3	Partial capture
09-18 20:12	40m	- / -1	M0LAD	+1 / -	3	✓ Closing fragment
09-18 19:40	40m	- / -14	DL1RAZ	+3 / -	5	✓ Closing fragment
09-18 19:35	40m	- / -10	EA3FP	-12 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
193600 -14  723  DH1GB EA3FP R-10 (x2)
194000  +4 1046  DH1GB DL1RAZ JO50 (x5)
194745 -10 1077  DH1GB M0OTL -08
201100 -23 1943  G3EFG DH1GB R-05
201245  +2  683  DH1GB M0LAD -01 (x3)
192430 -11 1992  DH1GB PD4AVT RR73
192915  -4 1488  DH1GB PA0JAX -10 (x2)

80m

UTC    dB Audio  Message
203330 +12 1999  DH1GB DL3RL 73
185800  +3 1179  DH1GB DM1YS +00 (x4)
190400 -19 1977  RV3YN DH1GB JN37
190615 -16 1493  DH1GB DA6CH JO51
190815  -1 1503  DH1GB DG2EBG JO31
191130 -17 1502  DG2EBG DH1GB RRR (x2)
191345 -17  946  DH1GB DL3JHK JO62
191400 -15  948  DL3JHK DH1GB -07
191415 -23  946  DH1GB DL3JHK R-13 (x3)

160m

UTC    dB Audio  Message
183945 -14  550  CQ DH1GB JN37
184445 -17  330  DG2RBH DH1GB JN37
184500  -3  329  DH1GB DG2RBH -25 (x5)

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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