NC4MH — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: FM05

Receiver-side FT8 activity involving NC4MH, decoded by SO8OO in southeastern Poland. 597 related FT8 messages, 37 CQ messages, observed on 20m, across 30 UTC dates. Heard between 2026-04-25 and 2026-06-14.

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

597

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

20m

First seen: 2026-04-25
Last seen: 2026-06-14 03:43 UTC

Frequent QSO partners observed at SO8OO

Stations NC4MH worked most often, as logged from our receiver:

EA7JBN · Spain ×2 W8IO · United States OK1JXU · Czech Republic IT9DVZ · Sicily KE9CTL · United States K7NGS · United States E78A · Bosnia-Herzegovina HB9OAB · Switzerland DL2PS · Fed. Rep. of Germany EA5JK · Spain T48FCR · Cuba UX4LX · Ukraine

Activity Heatmap

Locator transmitted by NC4MH

Approximate centre of FM05, decoded 2026-06-15 00:27 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	NC4MH S/N	Counterpart	Counterpart S/N	Msgs	Capture
06-15 00:25	20m	-16 / -	KF0MYN	- / -3	3	Partial capture
06-14 05:42	20m	-21 / -23	HB9TWU	0 / -	3	✓ Closing observed
06-14 05:36	20m	- / -10	DL2PS	+2 / -	2	✓ Closing fragment
06-14 05:31	20m	- / -	OK1KM	-18 / -	3	Partial capture
06-14 05:23	20m	- / -	OK1KM	-21 / -	3	Partial capture
06-14 05:16	20m	- / -11	DJ6OI	-2 / -	2	✓ Closing fragment
06-14 05:11	20m	- / -19	RZ3ZY	-4 / -	3	✓ Closing fragment
06-14 04:46	20m	-20 / -5	9A6P	-11 / -	4	✓ Closing observed
06-14 04:42	20m	- / -	EA4HTI	-20 / -	2	✓ Closing fragment
06-14 04:23	20m	- / -	YO9IAB	-5 / -	3	Partial capture
06-14 04:04	20m	- / -20	K9AJ	-4 / -	2	Partial capture
06-14 03:28	20m	-16 / -	E78A	- / -13	2	✓ Closing fragment
06-14 03:13	20m	-13 / -	YO6POG	- / -	3	✓ Closing fragment
06-14 03:02	20m	-12 / -13	NP3IR	+2 / +4	4	✓ Full exchange observed
06-14 03:00	20m	- / -	IW2MYH	-10 / -	2	Partial capture
06-14 02:58	20m	-17 / -	R2EA	- / -6	3	✓ Closing fragment
06-14 02:50	20m	-14 / -	I1RJP	- / -	8	Partial capture
06-14 02:48	20m	-8 / -	K0DSC	- / -	2	Partial capture
06-14 02:44	20m	-8 / -25	K7XB	-8 / -	4	✓ Closing observed
06-14 02:39	20m	-8 / -	R3KLE	- / -	2	✓ Closing fragment
06-14 02:35	20m	-12 / -	AE5HO	- / -	2	Partial capture
06-14 01:59	20m	-14 / -	DK2LG	- / -13	2	Partial capture
06-14 01:58	20m	-20 / -9	IU1TKT	-1 / 0	4	✓ Full exchange observed
06-14 01:45	20m	-21 / -	R8CKD	- / -19	3	✓ Closing fragment
06-14 01:43	20m	-22 / -	AD8HK	- / -	2	Partial capture
06-14 01:30	20m	-22 / -	UN8DSW	- / -18	2	✓ Closing fragment
06-14 01:29	20m	-22 / -	PD3LKN	- / -	2	Partial capture
06-13 03:59	20m	- / -12	9X5KM	-2 / -	2	Partial capture
06-13 03:22	20m	-22 / -12	K6XX	-18 / +1	4	✓ Full exchange observed
06-13 02:39	20m	-20 / -	K0C	- / -	2	Partial capture
06-13 02:33	20m	-16 / -	N5ORM	- / -	2	✓ Closing fragment
06-13 02:30	20m	-16 / +4	F1POK	-14 / -12	3	Partial capture
06-13 02:28	20m	-18 / -	KG4IMO	- / -	2	Partial capture
06-13 02:21	20m	-19 / -	N8PFK	- / -3	2	✓ Closing fragment
06-11 04:28	20m	-15 / -	PF1H	- / -10	3	✓ Closing fragment
06-11 04:23	20m	-19 / -	W2VGD	- / -	8	Partial capture
06-11 04:21	20m	-24 / -	RG1L	- / -	2	Partial capture
06-08 03:19	20m	- / -	RW9WT	+5 / -	2	Partial capture
06-08 03:17	20m	-11 / -	RW6MMU	-9 / -16	6	Partial capture
06-08 03:15	20m	-13 / -	PD8TBK	- / -15	3	✓ Closing fragment
06-08 03:06	20m	-18 / -	N2SCJ	- / -	2	✓ Closing fragment
06-08 02:44	20m	-22 / -	VG1JCG/R	- / -24	2	Partial capture
06-08 02:41	20m	-23 / -	IQ9BH	- / -12	2	✓ Closing fragment
06-08 02:39	20m	-22 / -	KF8FWH	- / -6	2	✓ Closing fragment
06-08 02:21	20m	-23 / -	K7L	- / -	3	✓ Closing fragment
06-08 01:41	20m	-16 / -	WF7E	- / -9	3	✓ Closing fragment
06-08 01:35	20m	-16 / -	KB1YKJ	- / -11	4	✓ Closing fragment
06-08 01:15	20m	-15 / -	AD8QV	- / -1	3	✓ Closing fragment
06-08 01:13	20m	-15 / -3	HC1HC	-17 / -1	5	✓ Full exchange observed
06-08 01:11	20m	-18 / -	AD8QV	- / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
052330 -20 1505  NC4MH OK1KM JO60 (x6)
053600  +2 2526  NC4MH DL2PS -10 (x2)
054200 -21 1506  HB9TWU NC4MH FM05
054315  -1 1512  NC4MH HB9TWU -23 (x2)
002530 -18 1503  KF0MYN NC4MH FM05 (x3)
002730 -17 1503  TI2SD NC4MH FM05

Decoder S/N history by band

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