HB9CXZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Switzerland Locator transmitted in a decoded message: JN46

Receiver-side FT8 activity involving HB9CXZ, decoded by SO8OO in southeastern Poland. 5,026 related FT8 messages, 4,288 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 58 UTC dates. Heard between 2026-05-26 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

5,026

Related messages

4,288

CQ messages

UTC dates heard

-1 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m 160m

First seen: 2026-05-26
Last seen: 2026-08-21 02:39 UTC

Frequent QSO partners observed at SO8OO

Stations HB9CXZ worked most often, as logged from our receiver:

W5KBW · United States ×4 M0IEP · England ×4 WV2M · United States ×4 KQ4TDQ · United States ×3 F5LMJ · France ×3 GB8VJ · England ×3 W3XG · United States ×3 K4MOF · United States ×3 KF9UG · United States ×3 KE2CUR · United States ×3 N9RNT · United States ×3 KB2ZPB · United States ×3

Activity Heatmap

Locator transmitted by HB9CXZ

Approximate centre of JN46, decoded 2026-08-22 03:44 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	HB9CXZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 03:41	80m	+7 / -	KC4DPT	- / -	7	Partial capture
08-22 03:36	80m	+5 / -	K9TA	- / -	7	Partial capture
08-22 03:15	80m	+2 / -	KC4DPT	- / -	7	Partial capture
08-22 03:02	80m	+15 / -	KC4DPT	- / -	7	Partial capture
08-22 02:56	80m	+15 / -	W0WMM	- / -	7	Partial capture
08-22 02:50	80m	-4 / -	KC2YWE	- / -	7	Partial capture
08-22 02:31	80m	+14 / -	KC2YWE	- / -	5	Partial capture
08-22 02:27	80m	+14 / -	AC2FA	- / -19	6	✓ Closing fragment
08-22 02:24	80m	+10 / -	N5URR	- / -	5	Partial capture
08-22 02:17	80m	+12 / -	KD2WBX	- / -14	11	Partial capture
08-21 04:34	80m	-4 / -	EA2ARU	- / -6	3	✓ Closing fragment
08-21 04:26	80m	-2 / -	MW7TTA	- / -3	2	✓ Closing fragment
08-21 04:06	80m	+5 / -	KR4JUQ	- / -9	3	✓ Closing fragment
08-21 03:10	80m	+11 / -	LU7MC	- / -23	5	Partial capture
08-21 03:08	80m	+14 / -	WD4SRC	- / -17	2	✓ Closing fragment
08-21 03:01	80m	+13 / -	W1CDO	-12 / -4	2	✓ Closing observed
08-21 02:58	80m	+12 / -	AA7ND	- / -6	2	✓ Closing fragment
08-21 02:53	80m	+17 / -	WB2UBW	- / -17	4	✓ Closing fragment
08-21 02:43	80m	+14 / -	KQ4OXS	- / -19	6	✓ Closing fragment
08-21 02:41	80m	+14 / -2	WV2M	-24 / -8	3	✓ Full exchange observed
08-21 02:37	80m	+14 / -	N8OQ	- / -15	3	✓ Closing fragment
08-21 02:32	80m	+14 / -	WW2N	-24 / -6	3	✓ Closing observed
08-21 02:24	80m	+4 / -	WB2CLL	- / -15	2	✓ Closing fragment
08-21 02:14	80m	+10 / -	AA1ZZ	- / -23	2	✓ Closing fragment
08-21 02:03	80m	+10 / -	W0AHO	- / -18	4	✓ Closing fragment
08-21 01:59	80m	+9 / -	K9UO	- / -21	4	Partial capture
08-21 01:56	80m	+10 / +2	VE3HLM	-24 / -2	3	✓ Full exchange observed
08-21 01:47	80m	+14 / -	W5XZ	- / -25	2	✓ Closing fragment
08-21 01:45	80m	+14 / -	KA3D	- / -15	2	✓ Closing fragment
08-21 01:37	80m	+16 / -	DL0FTT	-15 / +5	5	✓ Full exchange observed
08-21 01:30	80m	+14 / -2	KE4EB	-6 / +3	5	✓ Full exchange observed
08-21 01:22	80m	+14 / -	KQ5U	- / -21	13	✓ Closing fragment
08-21 01:21	80m	+14 / -	K4KL	- / -22	2	✓ Closing fragment
08-21 01:19	80m	+16 / -	F4DIA	- / -	2	✓ Closing fragment
08-21 01:16	80m	+15 / -	N6ACA	- / -9	6	Partial capture
08-21 01:15	80m	+14 / -	DO9FSE	-24 / -10	3	✓ Closing observed
08-21 01:13	80m	+14 / -8	RK4FAJ	-18 / -10	7	✓ Full exchange observed
08-21 01:07	80m	+14 / -	PT2MAF	- / -24	12	Partial capture
08-21 01:05	80m	+14 / -4	OH4JFN	-16 / -5	4	✓ Full exchange observed
08-21 01:02	80m	+16 / -	KD2WBX	- / -17	6	Partial capture
08-21 01:00	80m	+14 / +10	IR7MGGC	-4 / -3	2	Partial capture
08-21 00:57	80m	+15 / -	N9SZ	- / -21	3	✓ Closing fragment
08-20 04:38	40m	-4 / -	KB5WSJ	- / -12	5	Partial capture
08-20 04:37	40m	-2 / -	KE0PDU	- / -12	2	✓ Closing fragment
08-20 04:35	40m	-4 / -	KC1WZQ	- / 0	2	✓ Closing fragment
08-20 04:32	40m	0 / -	KF0ZAP	- / -17	6	Partial capture
08-20 04:28	40m	-6 / -	G1CEC	- / -2	5	Partial capture
08-20 04:26	40m	-6 / -	KM6ZJS	- / -19	2	✓ Closing fragment
08-20 04:19	40m	-5 / -	VE3SJJ	- / +1	5	Partial capture
08-20 04:18	40m	-7 / +5	PD4JVB	+4 / -	5	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
031845  +1 2480  KC4DPT HB9CXZ JN46
033615  +4 2479  K9TA HB9CXZ JN46 (x7)
034145  +9 2479  KC4DPT HB9CXZ JN46 (x7)

40m

UTC    dB Audio  Message
043415  +0 2353  KF0ZAP HB9CXZ -17 (x2)
043515  -4 2353  CQ HB9CXZ JN46
043545  -5 2353  KC1WZQ HB9CXZ +00 (x2)
043645  -4 2353  CQ HB9CXZ JN46 (x2)
043745  -1 2353  KE0PDU HB9CXZ -12 (x2)
043845  -1 2353  KB5WSJ HB9CXZ -12 (x5)
044115  -4 2353  CQ HB9CXZ JN46

160m

UTC    dB Audio  Message
035930 -14 1718  CQ HB9CXZ JN46 (x15)

20m

UTC    dB Audio  Message
181330  -2 2245  UA9JDH HB9CXZ JN46 (x3)
181545  -6 2246  UA9C HB9CXZ R+00 (x2)
181645  +3 2245  R9SES HB9CXZ JN46 (x4)
181930  +3 2245  JH5AVM HB9CXZ JN46 (x3)
182130  -2 2245  UA9UFJ HB9CXZ JN46 (x3)

10m

UTC    dB Audio  Message
160330 -10 2013  YL2EA HB9CXZ +00 (x2)
160430 -14 2012  CQ HB9CXZ JN46
160600 -14 2012  YL3ASB HB9CXZ RR73
160700 -20 2012  CQ HB9CXZ JN46 (x5)
114045  -9 1896  HB9CXZ DH1GKS JN38 (x6)

60m

UTC    dB Audio  Message
024700  -4 2040  CQ DX HB9CXZ JN46 (x15)

Decoder S/N history by band

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