YO4NF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Romania

Receiver-side FT8 activity involving YO4NF, decoded by SO8OO in southeastern Poland. 1,695 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 79 UTC dates. Heard between 2026-05-26 and 2026-08-24.

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

1,695

Related messages

CQ messages

UTC dates heard

-9 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-05-26
Last seen: 2026-08-24 02:35 UTC

Frequent QSO partners observed at SO8OO

Stations YO4NF worked most often, as logged from our receiver:

TA3XEE · Asiatic Turkey ×6 E79NA · Bosnia-Herzegovina ×3 IU3BIX · Italy ×3 II3DRC · Italy ×3 IT9CMZ · Sicily ×3 SO3K · Poland ×3 UG4I · European Russia ×3 RA3TVW · European Russia ×3 YU7VK · Serbia ×3 DK5TX · Fed. Rep. of Germany ×3 R6FMK · European Russia ×3 R3HX/P · European Russia ×3

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	YO4NF S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-24 04:36	40m	0 / -	SP5BK	- / -9	3	✓ Closing fragment
08-24 04:35	40m	+10 / -	HB9NBN	-10 / -10	4	✓ Full exchange observed
08-24 04:31	40m	-4 / -	OH6LS	- / -10	3	✓ Closing fragment
08-24 04:30	40m	-3 / +1	IK2YYO	-5 / -3	3	✓ Full exchange observed
08-24 04:28	40m	+2 / -13	K0ZR	+2 / -7	4	✓ Full exchange observed
08-24 04:26	40m	+6 / -	UB4FJC	- / -12	2	Partial capture
08-24 04:24	40m	+8 / -	OH6LS	- / -12	2	Partial capture
08-24 04:21	40m	+12 / -	SP6TKP	- / -13	2	✓ Closing fragment
08-24 04:17	40m	+10 / -	N7JB	- / -18	3	Partial capture
08-24 04:13	40m	+15 / -	II7MGFG	-2 / +1	2	Partial capture
08-24 04:10	40m	0 / -	UB4FJC	- / -9	2	Partial capture
08-24 04:08	40m	+2 / -	UR3QCV	- / -4	2	Partial capture
08-23 22:43	20m	- / -3	AO5FSB	+10 / -	2	✓ Closing fragment
08-23 22:26	20m	- / -13	WB2CMF	-3 / -	2	✓ Closing fragment
08-23 22:02	20m	+8 / -	OH1ZE	- / -15	2	Partial capture
08-23 22:01	20m	+6 / -	G8GDS	- / -17	2	Partial capture
08-23 21:59	20m	-2 / -	KA0SOC	- / -16	2	Partial capture
08-23 21:57	20m	0 / -	BG7DTK	- / -15	3	Partial capture
08-23 21:54	20m	0 / -	IT9GKD/P	- / -14	2	✓ Closing fragment
08-23 21:47	20m	+14 / -	WA4UVH	- / -19	2	Partial capture
08-23 21:45	20m	+8 / -	KE4ZXY	- / -15	4	✓ Closing fragment
08-23 21:42	20m	+6 / -	W3UJ	- / -16	2	Partial capture
08-23 21:40	20m	+10 / -	KE8CTC	- / -23	2	Partial capture
08-23 21:38	20m	+16 / -	AC8ZT	- / -18	2	Partial capture
08-23 21:35	20m	+10 / -	SP9AB	- / -12	2	Partial capture
08-23 21:33	20m	+9 / -	HB9TIH	- / -15	2	Partial capture
08-23 21:27	20m	-5 / -	E74DKB	- / 0	2	Partial capture
08-23 21:25	20m	-4 / -	W1VNC	- / -13	2	Partial capture
08-23 21:21	20m	-9 / -	JE3FJN	- / -18	2	✓ Closing fragment
08-23 21:16	20m	-11 / -12	F5LQ	-13 / -	3	✓ Closing observed
08-23 21:09	20m	-1 / -	S56TNT	- / -15	3	✓ Closing fragment
08-23 21:06	20m	-13 / -	2E0IJC	- / -11	2	✓ Closing fragment
08-23 03:47	20m	+2 / -	KD9WYL	- / -20	2	Partial capture
08-23 03:43	20m	+20 / -	N7RYP	- / -19	2	Partial capture
08-23 03:36	20m	+6 / -	W8KL	- / -18	2	Partial capture
08-23 03:26	20m	+6 / -	WD5UB	- / -18	2	Partial capture
08-23 03:23	20m	+4 / -	KE2IIG	- / -22	2	Partial capture
08-23 03:20	20m	+4 / -	SV1DBY	- / -4	2	Partial capture
08-23 03:13	20m	+8 / -	WY2V	- / -17	2	Partial capture
08-23 03:05	20m	+13 / -	K7ZMS	- / -17	2	Partial capture
08-23 03:03	20m	+4 / -	W4MG	- / -18	2	Partial capture
08-23 02:55	20m	+3 / -	AC1OR	- / -15	3	Partial capture
08-23 02:50	20m	+8 / -	W4MG	- / -18	2	Partial capture
08-23 02:48	20m	+6 / -	KC1ZMG	- / -13	2	Partial capture
08-23 02:44	20m	+10 / -	K7ZMS	- / -20	2	Partial capture
08-23 02:37	20m	+12 / -	IZ7RJT	- / -4	2	✓ Closing fragment
08-23 02:35	20m	+8 / -	KF0WBC	- / -19	4	✓ Closing fragment
08-23 02:34	20m	+8 / -	N0OLL	- / -14	2	Partial capture
08-23 02:32	20m	+10 / -	IZ7RJT	- / -5	3	Partial capture
08-23 02:30	20m	+4 / -	W4MG	- / -20	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
042915  -2 3087  K0ZR YO4NF RR73
042930  +3 3086  YO4NF K0ZR 73
043030  -3 1674  IK2YYO YO4NF -03
043045  -7 1673  YO4NF IK2YYO R+01 (x2)
043145  -2 1412  OH6LS YO4NF -10 (x3)
043500  +9  978  HB9NBN YO4NF -10
043515  -7  977  YO4NF HB9NBN R+14
043530 +11  978  HB9NBN YO4NF RR73
043545 -13  977  YO4NF HB9NBN 73
043645  +0 1273  SP5BK YO4NF -09 (x3)

20m

UTC    dB Audio  Message
215745  -1 1595  BG7DTK YO4NF -15 (x3)
215945  -1 1610  KA0SOC YO4NF -16 (x2)
220100  +8  501  G8GDS YO4NF -17 (x2)
220230  +8 2779  OH1ZE YO4NF -15 (x2)
220415  -8 1595  BG7DTK YO4NF -20
222645  -4 2941  YO4NF WB2CMF R-13 (x2)
224345 +12 2925  YO4NF AO5FSB R-03 (x2)
224815 -14 1845  YO4NF DS4AOW 73

10m

UTC    dB Audio  Message
125430  -4 2658  DF6QN YO4NF RR73
125815 -17 1135  YO4NF UR5LY R+03 (x2)
130000 -24 1635  DG0KU YO4NF -15 (x2)
130100 -18 1805  YD0ATZ YO4NF RR73
130230 -22 1464  HB9BQP YO4NF RR73
130715 -16  913  <...> YO4NF -14
134830 -22 1568  DJ8TX YO4NF -19 (x2)
135100  -1 2939  IV3IQY YO4NF -05
145030  -5 2748  YO4NF DL8DWL R+13
145500 -11 2517  YO4NF DL5EBS R-01
145915  +1  889  YO4NF DO5AU R-09 (x2)

80m

UTC    dB Audio  Message
210945 +13  686  CS2WWA YO4NF RR73
211115  +5 2264  SQ5PUL YO4NF -12
211300 +12 1413  IZ3KVI YO4NF -03 (x2)
211415  +2 1658  <...> YO4NF -09
211600  +9  866  LX1FDE YO4NF -12
211715 +20  270  R3HX/P YO4NF -04 (x3)
211845  +4 1658  <...> YO4NF -11
211945 +15  213  DO7SAM YO4NF -09 (x2)
212030  -2  243  YO4NF DO7SAM R-03
212045  +8  214  DO7SAM YO4NF RR73
212100  +0  243  YO4NF DO7SAM 73

Decoder S/N history by band

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