SM7NDX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Sweden Locator transmitted in a decoded message: JO77

Receiver-side FT8 activity involving SM7NDX, decoded by SO8OO in southeastern Poland. 51 related FT8 messages, 14 CQ messages, observed on 60m, 20m, 10m, across 6 UTC dates. Heard between 2026-06-19 and 2026-08-16.

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

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

20m 60m 10m

First seen: 2026-06-19
Last seen: 2026-08-16 16:21 UTC

Frequent QSO partners observed at SO8OO

Stations SM7NDX worked most often, as logged from our receiver:

OR7K · Belgium F5IXN · France DL8SXB · Fed. Rep. of Germany W0OJY · United States N1API · United States WO3U · United States AE6CH · United States HF5A · Poland SP4NKJ · Poland M7XEI · England SA3YTA · Sweden KR3Y · United States

Activity Heatmap

Locator transmitted by SM7NDX

Approximate centre of JO77, decoded 2026-08-16 18:20 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	SM7NDX S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-16 18:13	20m	0 / -	VA7RY	- / -11	2	Partial capture
08-16 15:39	20m	-3 / -	<...>	- / -7	4	Partial capture
08-16 15:37	20m	- / -	YO5PHL	-6 / -	2	Partial capture
08-16 15:36	20m	-6 / -	W9KCJ	- / -12	2	Partial capture
08-16 15:35	20m	-6 / -	M7XEI	- / -10	2	✓ Closing fragment
08-16 15:33	20m	-2 / -	AE6CH	- / -13	2	✓ Closing fragment
08-16 15:33	20m	- / -	YO5PHL	-10 / -	2	Partial capture
08-16 15:31	20m	-6 / -	SP9D	- / +9	2	✓ Closing fragment
08-16 15:29	20m	-6 / -	KR3Y	- / -13	4	✓ Closing fragment
08-13 19:39	20m	- / -	CR7BRV	-9 / -	2	Partial capture
08-12 18:11	20m	-6 / -	K1BIF	- / -12	4	Partial capture
08-12 18:04	20m	-3 / +3	PC2J	-2 / -21	8	Partial capture
08-12 18:04	20m	- / -	PD4RJ	-16 / -	4	Partial capture
08-12 17:46	20m	-2 / -	N1API	- / +3	3	✓ Closing fragment
08-12 16:59	20m	-4 / -	<...>	- / -	9	Partial capture
08-12 16:12	20m	-17 / -10	F5IXN	-18 / -	5	✓ Closing observed
08-02 05:01	60m	-12 / -2	F6FTB	-12 / +4	5	✓ Full exchange observed
08-02 05:00	60m	-10 / -	DL5ZG	-18 / +5	3	✓ Closing observed
08-02 04:57	60m	-10 / -	SA3YTA	- / +4	2	✓ Closing fragment
08-02 04:53	60m	-10 / -3	HF5A	+8 / +7	5	✓ Full exchange observed
08-02 04:39	60m	-8 / -	OR7K	-10 / -	3	✓ Closing observed
08-02 04:36	60m	-8 / 0	SP4NKJ	0 / -	4	✓ Full exchange observed
08-02 04:25	60m	-4 / -	DL8SXB	-23 / 0	4	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
153645  -3 2692  W9KCJ SM7NDX R-12
153715  +0 2692  CQ NA SM7NDX JO77
153730  -6 2692  SM7NDX YO5PHL KN16
153745  -5 2692  CQ NA SM7NDX JO77
153800  -6 2692  SM7NDX YO5PHL KN16
153930  -5 2692  <...> SM7NDX JO77 (x4)
181315  -4 2895  VA7RY SM7NDX JO77 (x2)
181745  -3 2896  WO3U SM7NDX RR73
182015  -3 2896  CQ NA SM7NDX JO77 (x2)
182130 -19 2275  SM7NDX PD0WL JO21

10m

UTC    dB Audio  Message
103045 -16 1781  SM7NDX EA8UP RR73

60m

UTC    dB Audio  Message
045415 -10 2133  HF5A SM7NDX RR73
045430  +7 2446  SM7NDX HF5A 73
045445  -8 2132  CQ SM7NDX JO77 (x3)
045745 -11 2133  SA3YTA SM7NDX +04 (x2)
050030  -9 2132  DL5ZG SM7NDX R+05
050045 -18 1627  SM7NDX DL5ZG RR73
050100 -10 2133  DL5ZG SM7NDX 73
050145 -12 2391  SM7NDX F6FTB JN27
050200 -12 2133  F6FTB SM7NDX +04
050215 -12 2390  SM7NDX F6FTB R-02
050230 -12 2133  F6FTB SM7NDX RR73
050245 -11 2388  SM7NDX F6FTB 73

Decoder S/N history by band

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