HB75LU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Switzerland

Receiver-side FT8 activity involving HB75LU, decoded by SO8OO in southeastern Poland. 172 related FT8 messages, 98 CQ messages, observed on 80m, 40m, across 3 UTC dates. Heard between 2026-08-20 and 2026-08-22.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

172

Related messages

CQ messages

UTC dates heard

-11 dB

Mean decoder S/N

Bands

80m 40m

First seen: 2026-08-20
Last seen: 2026-08-22 06:13 UTC

Frequent QSO partners observed at SO8OO

Stations HB75LU worked most often, as logged from our receiver:

UF4S/P · European Russia ×2 II7MGXX · Italy ×2 R3PLN/P · European Russia ×2 II4KEMP · Italy R2EA/P · European Russia DL1YAW/P · Fed. Rep. of Germany GB64MOD · Wales /IC8LLD II7MGBR · Italy K1ABC · United States IZ2CPO/QRP · Italy OE100OEVSV · Austria

Activity Heatmap

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	HB75LU S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 08:05	40m	-16 / -	<...>	-4 / -	6	✓ Closing fragment
08-22 07:57	40m	-14 / -	<...>	- / -	2	Partial capture
08-22 07:53	40m	-8 / -	K1ABC	-20 / -	3	✓ Closing observed
08-22 07:47	40m	-14 / -	<...>	-16 / -	7	✓ Closing fragment
08-22 07:43	40m	-14 / -	<...>	-4 / -	2	✓ Closing fragment
08-22 07:29	40m	-10 / -3	UT4PA	-4 / -5	3	Partial capture
08-22 07:26	40m	-14 / -	<...>	-8 / -	14	✓ Closing fragment
08-22 06:43	40m	-10 / -	OE100OEVSV	-9 / -	6	✓ Closing observed
08-21 21:00	80m	-18 / -	<...>	-6 / -	4	✓ Closing fragment
08-21 20:50	80m	-17 / -	<...>	-7 / -	2	✓ Closing fragment
08-21 20:39	80m	-20 / -	<...>	-8 / -	4	✓ Closing fragment
08-21 20:35	80m	- / -	DD8BA	-2 / -	4	Partial capture
08-21 20:35	80m	-15 / -	<...>	- / -	2	Partial capture
08-21 20:32	80m	-10 / -	<...>	-10 / -	2	✓ Closing fragment
08-21 20:29	80m	-14 / -	YU7NW	-1 / -11	4	Partial capture
08-21 20:27	80m	-12 / -	<...>	-3 / -	3	✓ Closing fragment
08-21 20:17	80m	-10 / -	<...>	-8 / -	8	✓ Closing fragment
08-21 19:28	40m	0 / -	/IC8LLD	- / -	2	Partial capture
08-21 19:21	40m	-6 / -	/IC8LLD	- / -	8	Partial capture
08-21 19:18	40m	-7 / -	/IC8LLD	-13 / -	2	✓ Closing observed
08-21 19:15	40m	- / -6	OK4RQ	-2 / -	2	Partial capture
08-21 19:13	40m	-7 / -	R3PLN/P	+7 / -	2	✓ Closing observed
08-21 19:00	40m	-5 / -	R3PLN/P	-14 / -	5	✓ Closing observed
08-21 14:42	40m	-17 / -	<...>	-13 / -	4	✓ Closing fragment
08-21 13:16	40m	-12 / -	<...>	- / -	3	Partial capture
08-20 15:42	40m	-16 / -	<...>	-1 / -	4	✓ Closing fragment
08-20 15:36	40m	-16 / -	<...>	- / -	4	Partial capture
08-20 15:25	40m	-15 / -	<...>	-15 / -	12	✓ Closing fragment
08-20 15:19	40m	- / -	OE3ZIO	-22 / -	2	Partial capture
08-20 15:18	40m	-18 / -	<...>	-6 / -	7	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
080330 -16 1283  CQ HB75LU (x3)
080530 -17 1283  <...> HB75LU RRR
080545  +7 1284  HB75LU <...> 73
080600 -15 1283  CQ HB75LU (x2)
080730 -15 1283  <...> HB75LU RRR (x3)
080915 -16 1283  HB75LU <...> 73
080930 -17 1283  CQ HB75LU (x2)
081245 -15 1283  HB75LU <...> 73
081300 -20 1283  CQ HB75LU

80m

UTC    dB Audio  Message
205100 -17 2003  CQ HB75LU
205545  +0 2004  HB75LU <...> 73
205600 -13 2003  CQ HB75LU (x3)
210000 -13 2003  <...> HB75LU RRR
210015  -8 2003  HB75LU <...> 73
210030 -24 2002  <...> HB75LU RRR
210045  -4 2002  HB75LU <...> 73
210100 -20 2003  CQ HB75LU (x4)
210530 -13 2003  <...> HB75LU 73
210600 -23 2005  CQ HB75LU

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.