YU1NTP — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Serbia Most frequent locator attributed to this token: KN04

Receiver-side FT8 activity involving YU1NTP, decoded by SO8OO in southeastern Poland. 955 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, 10m, across 41 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-09-19.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 955 FT8 messages attributed to YU1NTP as the transmitting token by decoded message structure across 41 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (51%), followed by 40 m (33%) and 80 m (13%). Most decodes (85%) fell within the six-hour window 17:00-23:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (77%); the estimated median was -2 dB.

Overview

955

Messages attributed

UTC dates decoded

144

Active 15-min windows

-2 dB

Estimated median S/N

Bands

80m · 125 60m · 6 40m · 314 20m · 490 10m · 20

First attributed message: 2026-06-06
Last attributed message: 2026-09-19 20:53 UTC

Observed FT8 message patterns

Attributed sample: 955 messages
Active dates: 41 UTC dates
Estimated median S/N: -2 dB
Estimated 10th-90th percentile: -12.3 to +11 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 54, moderate (-15 to -9 dB) 167, strong (≥ -8 dB) 734.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with YU1NTP in decoded directed-looking exchanges:

TM2WWA · France ×4 DA0WWA · Fed. Rep. of Germany ×2 SN1WWA · Poland ×2 F6ITD · France IK5DNF · Italy M0BEW · England PD0HLA · Netherlands RX3ASQ · European Russia 3A2MW · Monaco 7Z1BM · Saudi Arabia 9A6NCC · Croatia BD8ELZ · China

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to YU1NTP

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator: KN04 · 589 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 608 km (approx.)
Last such locator decoded: 2026-09-19 20:53 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

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	YU1NTP S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-19 20:59	40m	- / -16	OH6FSO	-7 / -	5	Partial capture
09-19 20:50	80m	+3 / -3	9A9N	0 / -	5	✓ Closing observed
09-19 20:18	40m	-10 / -	YC2BUZ	- / -	3	✓ Closing fragment
09-19 19:03	40m	-3 / -	PD2MAC/P	- / -	2	Partial capture
09-19 18:30	40m	-2 / -	SQ9SET	- / -	10	Partial capture
09-19 18:28	40m	+1 / -	SP9DPI	- / -	3	✓ Closing fragment
09-17 21:43	80m	- / -	SP5DAA	-6 / -	2	Partial capture
09-17 21:40	80m	+4 / -6	YO5OHY	+8 / -	4	✓ Full exchange observed
09-17 21:27	80m	-5 / -21	UF3T	-4 / +4	10	✓ Full exchange observed
09-17 21:25	80m	+5 / -	OH5KNL	- / -	2	Partial capture
09-05 23:54	40m	- / -	OZ8MW/P	+12 / -	2	Partial capture
09-05 21:14	40m	-4 / -4	PD0IFI	+5 / -3	6	✓ Full exchange observed
09-05 21:14	40m	-2 / -13	LA4O	-11 / -6	3	✓ Full exchange observed
09-05 21:11	40m	-4 / -19	EI4FNB	-3 / -15	4	✓ Full exchange observed
08-31 22:06	80m	- / -22	GM6URC	-11 / -	3	Partial capture
08-31 22:05	60m	- / -	EA5JKT	-18 / -	4	Partial capture
08-31 22:01	60m	- / -16	IT9KHI	-4 / -	4	✓ Closing fragment
08-31 21:57	60m	-5 / -6	ER1CW	-8 / -21	7	✓ Full exchange observed
08-30 08:30	20m	- / -3	OE4RGC	+17 / -	2	✓ Closing fragment
08-30 08:28	20m	-4 / +9	YO3RU	-2 / -	3	✓ Closing observed
08-30 08:25	20m	0 / -8	F4LQJ	-6 / -	5	✓ Closing observed
08-30 08:25	20m	-4 / -	UR9QQ	- / -4	2	✓ Closing fragment
08-30 08:22	20m	-5 / -	R3KAB	-1 / -10	6	✓ Closing observed
08-23 16:45	20m	- / -	F4AWT	+7 / -	3	Partial capture
08-22 19:47	20m	0 / -	II7MGFG	- / -17	3	Partial capture
08-17 19:08	20m	- / -13	DL7FE	-11 / -	3	✓ Closing fragment
08-15 22:20	80m	-12 / -8	E78Y	+6 / -	4	✓ Full exchange observed
08-15 22:16	80m	-8 / -12	DL1IP	+13 / -5	4	✓ Full exchange observed
08-15 22:16	80m	-9 / -10	F1PBZ	+6 / -21	8	Partial capture
08-15 22:16	80m	- / -4	OI5AY	-3 / -	3	Partial capture
08-13 22:08	40m	- / -8	IU2HUQ	-12 / -	2	✓ Closing fragment
08-13 22:06	40m	-22 / -	<...>	- / -13	2	Partial capture
08-13 21:41	20m	- / -7	WJ2D	-13 / -	2	Partial capture
08-13 21:30	20m	- / -10	EI5HV	+11 / -	2	✓ Closing fragment
08-12 19:32	20m	- / -13	F4NBB	-11 / -	3	✓ Closing fragment
08-12 15:42	10m	- / -3	DH5BM	-3 / -	10	Partial capture
08-12 15:42	10m	- / -12	F1PBZ	-4 / -	2	Partial capture
08-12 11:58	10m	- / -	LZ4VR	-18 / -	2	Partial capture
08-12 11:49	10m	- / -	LZ2VQ	-8 / -	2	Partial capture
08-12 10:43	20m	- / -	YO4GOU	-10 / -	3	Partial capture
08-11 22:18	20m	- / -	M8XDZ	-10 / -	3	Partial capture
08-11 22:11	80m	0 / -	IK4LZH	- / -	2	Partial capture
08-11 22:06	80m	0 / -	HB3YPJ	- / -	2	Partial capture
08-11 22:04	80m	+4 / -9	HB9EBM	+14 / -6	5	✓ Full exchange observed
08-11 21:56	80m	-4 / -	DD0AM	- / -13	4	✓ Closing fragment
08-11 21:51	80m	-2 / -5	SP9ZR	+12 / -10	6	✓ Full exchange observed
08-11 21:51	80m	+3 / -	DK1MCS	- / -1	2	✓ Closing fragment
08-11 21:50	80m	+3 / -11	SP3CMA	+10 / -12	5	✓ Full exchange observed
08-11 21:48	80m	+1 / +3	SP4NDY	+16 / +3	5	✓ Full exchange observed
08-11 10:34	20m	- / -10	RN6LPC	-3 / -	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
183330  -6  876  SQ9SET YU1NTP R KN04 (x3)
190300  -2 2228  PD2MAC/P YU1NTP KN04 (x2)
201500  -1 2543  A99AA YU1NTP KN04
201845 -10 1162  YC2BUZ YU1NTP R KN04 (x3)
205600  -6 2911  YU1NTP OH6FSO -16 (x6)

80m

UTC    dB Audio  Message
212930 -10 1943  UF3T YU1NTP R-02 (x2)
213045  +4 1555  YU1NTP UF3T RR73
214045  +4 2480  YU1NTP YO5OHY -06
214100 +11 2479  YO5OHY YU1NTP R+22
214115 +12 2480  YU1NTP YO5OHY RR73
214130  -2 2479  YO5OHY YU1NTP 73
214345  -7 1712  YU1NTP SP5DAA KO02 (x2)
205030  +3  696  9A9N YU1NTP KN04
205045  -2  696  YU1NTP 9A9N -03
205100  +0  696  9A9N YU1NTP R KN04
205115  +1  696  YU1NTP 9A9N RR73
205130  +6  696  9A9N YU1NTP 73
205345  -5 1086  UF4S YU1NTP KN04

10m

UTC    dB Audio  Message
115945 -17 1138  YU1NTP LZ4VR KN13
154215  -3 2931  YU1NTP F1PBZ -12
154245  -6  594  YU1NTP DH5BM JO41 (x2)
154345  -5 2931  YU1NTP F1PBZ -12
154345  +2  594  YU1NTP DH5BM R-03 (x8)
111845 -18 1720  YU1NTP F4FSY -12
103300 -15 2245  YU1NTP <...> +04

60m

UTC    dB Audio  Message
215815 -10 1695  ER1CW YU1NTP R-21
215830  -8 1695  YU1NTP ER1CW RR73
215845  -6 1694  ER1CW YU1NTP 73 (x2)
215930  -5 1922  YU1NTP II7MGXX -02
215945  -3 1694  ER1CW YU1NTP R-12
220130  -4 2184  YU1NTP IT9KHI JM77 (x4)
220345  -8 1766  CQ YU1NTP KN04
220500 -17 2026  YU1NTP EA5JKT IM99 (x4)

20m

UTC    dB Audio  Message
082430  -1  630  YU1NTP R3KAB RR73
082445  -1  630  R3KAB YU1NTP 73
082515  -8  630  UR9QQ YU1NTP -04
082530  -4  630  YU1NTP F4LQJ JN23
082545  +1  630  UR9QQ YU1NTP RR73
082600  -6  630  YU1NTP F4LQJ JN23 (x2)
082645  +0  630  F4LQJ YU1NTP RR73
082700  -2  630  YU1NTP F4LQJ 73
082745  -3  823  F4NKF YU1NTP -25
082800  -4  821  YU1NTP YO3RU +09 (x2)
082915  -4  822  YO3RU YU1NTP 73
083045 +16 2256  YU1NTP OE4RGC -03 (x2)

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee