HB9XBY — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Switzerland Locator transmitted in a decoded message: JN47

Receiver-side FT8 activity involving HB9XBY, decoded by SO8OO in southeastern Poland. 3,899 related FT8 messages, 2,901 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 44 UTC dates. Heard between 2026-05-23 and 2026-08-21.

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.

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Overview

3,899

Related messages

2,901

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m

First seen: 2026-05-23
Last seen: 2026-08-21 18:56 UTC

Frequent QSO partners observed at SO8OO

Stations HB9XBY worked most often, as logged from our receiver:

M0IEP · England ×9 HA3GX · Hungary ×3 SV5BYP · Dodecanese ×2 HF5A · Poland ×2 OE5FIL · Austria ×2 SP1ZMO · Poland ×2 K1IR · United States ×2 DH3LAT · Fed. Rep. of Germany ×2 F4AWT · France ×2 OZ1HYM · Denmark ×2 IK4LZH · Italy ×2 DM2BPG · Fed. Rep. of Germany ×2

Activity Heatmap

Locator transmitted by HB9XBY

Approximate centre of JN47, decoded 2026-08-21 20:56 UTC. A transmitted locator is not proof of the operator's permanent location.

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	HB9XBY S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-21 20:54	40m	- / -19	JA5MHD	-9 / -	3	Partial capture
08-21 20:52	40m	-11 / -	PC9K	- / -11	2	✓ Closing fragment
08-21 20:45	40m	-8 / -	EA2CD	- / -14	2	✓ Closing fragment
08-21 20:44	40m	- / -	CT2GQA	-11 / -	4	Partial capture
08-21 20:40	40m	-6 / -	SP8PLC	- / -14	2	✓ Closing fragment
08-21 20:36	40m	-6 / -	M3ONL	- / -	4	Partial capture
08-21 20:22	40m	- / -8	PD0WC	-12 / -	2	✓ Closing fragment
08-21 20:19	40m	-7 / -	G4YAN	-7 / -5	3	✓ Closing observed
08-21 20:05	40m	- / -	JA5XAE	-15 / -	2	Partial capture
08-21 20:04	40m	- / -	IZ5MMT	+4 / -	2	Partial capture
08-21 19:57	40m	-5 / +2	OK/PE5EIE	-7 / -13	2	Partial capture
08-21 19:55	40m	- / -15	R3ZBR	-7 / -	2	Partial capture
08-21 19:53	40m	-16 / +2	CT2HEX	-3 / -13	4	✓ Full exchange observed
08-21 10:11	20m	-10 / -	M9RPO	- / -11	3	✓ Closing fragment
08-21 10:01	20m	- / -12	IK0ISD	-22 / -	3	Partial capture
08-21 09:24	20m	-14 / -	TF8KW	- / -	2	Partial capture
08-21 09:08	20m	-6 / +2	IQ6MC	-8 / -12	5	✓ Full exchange observed
08-21 08:53	20m	-9 / -	LY3BES	- / -	4	Partial capture
08-21 07:37	20m	-13 / -	LZ4VR	- / -20	2	✓ Closing fragment
08-21 05:41	20m	- / -10	SV5BYP	+1 / -	4	✓ Closing fragment
08-21 05:23	20m	-2 / -18	SV5BYP	0 / -6	6	✓ Full exchange observed
08-21 04:56	20m	-17 / -	<...>	- / -19	2	Partial capture
08-21 04:43	20m	-14 / -	HC5F	- / -	6	Partial capture
08-20 08:59	20m	-7 / -	TA1ETM	- / -17	2	Partial capture
08-20 08:57	20m	- / -	PA1PXL	-4 / -	2	Partial capture
08-20 08:54	20m	- / -	DL6MRS	+11 / -	2	Partial capture
08-20 08:40	20m	-10 / -	M7JVH	- / -17	2	✓ Closing fragment
08-20 08:30	20m	-14 / -22	IU6KQP	-12 / -15	3	Partial capture
08-20 08:29	20m	- / -	PD3PAM	-14 / -	5	Partial capture
08-20 08:27	20m	-13 / -10	IK2LWY	-17 / -5	3	✓ Full exchange observed
08-20 08:12	20m	-12 / -14	MM7CEH	-12 / -16	8	Partial capture
08-20 08:11	20m	-17 / +3	IU5FFM	-6 / -7	4	✓ Full exchange observed
08-20 08:02	20m	-9 / -	M0IEP	-17 / -	3	✓ Closing observed
08-20 07:48	20m	-11 / -	DL4DD	- / -10	2	✓ Closing fragment
08-20 07:24	20m	-1 / -	R1QD	- / -	7	Partial capture
08-20 07:23	20m	- / -	HA3HZ	-8 / -	5	Partial capture
08-20 07:13	20m	+3 / -	OE5GJH	- / -12	4	✓ Closing fragment
08-20 07:09	20m	- / -11	RD1A	-20 / -	2	Partial capture
08-20 06:38	20m	-5 / -	DB1BAC/P	- / -	9	Partial capture
08-20 05:39	60m	-12 / +1	S57MPU	+2 / -18	9	✓ Full exchange observed
08-20 05:31	60m	- / -	SQ8AA	+5 / -	11	Partial capture
08-20 05:31	60m	-12 / -	EC3A	- / -16	2	✓ Closing fragment
08-20 05:24	60m	-10 / -8	OH2BYJ	-2 / -19	24	Partial capture
08-20 05:11	60m	-10 / -	F5NHG	- / -15	2	✓ Closing fragment
08-20 05:07	60m	- / -	OM5KM	+4 / -	2	Partial capture
08-20 05:06	60m	-8 / -7	OZ1HYM	-1 / -14	5	✓ Full exchange observed
08-19 20:49	20m	- / -14	VE1JS	-12 / -	5	✓ Closing fragment
08-19 20:05	20m	-11 / -	BU2FW	- / -	2	Partial capture
08-13 20:24	20m	-12 / -	UR5WCS	- / -16	4	Partial capture
08-13 19:59	20m	-7 / -	HB9ETH	- / -12	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
205000  -8  823  CQ HB9XBY JN47 (x2)
205115  -9  313  HB9XBY JA5MHD -17
205130  -8  823  CQ HB9XBY JN47
205200 -10  823  PC9K HB9XBY -11 (x2)
205330 -10  823  CQ HB9XBY JN47
205415 -10  241  HB9XBY JA5MHD -19
205430  -8  823  CQ HB9XBY JN47
205445  -7  241  HB9XBY JA5MHD -16
205445 -14  824  HB9XBY IS0YHV JM49
205500 -10  824  CQ HB9XBY JN47
205515  -9  241  HB9XBY JA5MHD -15
205530  -3  823  CQ HB9XBY JN47 (x2)

20m

UTC    dB Audio  Message
102200 -10  713  CQ HB9XBY JN47 (x15)

60m

UTC    dB Audio  Message
054015 -16  838  S57MPU HB9XBY -18 (x4)
054230  +3  744  HB9XBY S57MPU R+01
054245  -5  838  S57MPU HB9XBY RR73
054300  +2  744  HB9XBY S57MPU 73
054315  -6  838  CQ HB9XBY JN47 (x5)
054530 -10  839  HB9XBY IW1GB -03
054545  -5  838  CQ HB9XBY JN47
054700 -18 2175  HB9XBY OE9DAI JN47

80m

UTC    dB Audio  Message
225915  -2  634  CQ HB9XBY JN47
225930  +7 2430  HB9XBY IQ4JO JN63
225930  +1  892  HB9XBY DA6HU JN59
225945  +5  634  DA6HU HB9XBY -01
230000  +0  892  HB9XBY DA6HU R+07
230015  -4  634  DA6HU HB9XBY RR73
230030  +6  892  HB9XBY DA6HU 73
230045  +1  634  CQ HB9XBY JN47 (x8)

10m

UTC    dB Audio  Message
141430  -7 2579  HB9XBY PE1NPS JO22
142245 -13  703  CQ HB9XBY JN47 (x2)
142545 -15  702  DK3AE HB9XBY -13
142945 -14  703  CQ HB9XBY JN47 (x2)
143930  -7 3092  HB9XBY DN9BN JO51 (x2)
144730  -1  703  HB9XBY DO1OAS -14 (x5)
145100  -9  703  HB9XBY DO2TL R-12
101400 -10  385  HB9XBY I8OHQ -03

Decoder S/N history by band

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