YL3HI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Latvia Locator transmitted in a decoded message: KO16

Receiver-side FT8 activity involving YL3HI, decoded by SO8OO in southeastern Poland. 467 related FT8 messages, 91 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 42 UTC dates. Heard between 2026-05-24 and 2026-08-22.

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

467

Related messages

CQ messages

UTC dates heard

-3 dB

Mean decoder S/N

Bands

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

First seen: 2026-05-24
Last seen: 2026-08-22 02:40 UTC

Frequent QSO partners observed at SO8OO

Stations YL3HI worked most often, as logged from our receiver:

SP6LUV · Poland ×2 YL3KZ · Latvia ×2 OK1XV · Czech Republic ×2 IK4LZH · Italy ×2 IS0BOZ · Sardinia LA1ZN · Norway N3NVA · United States R2DIH · European Russia DA6PC · Fed. Rep. of Germany SQ9CXH · Poland SP6AXW · Poland DL3BH · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by YL3HI

Approximate centre of KO16, decoded 2026-08-23 21:12 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	YL3HI S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 21:03	80m	+10 / -	XU7O	- / -	14	Partial capture
08-22 04:39	80m	-10 / -	ES5QA	- / +10	3	✓ Closing fragment
08-21 20:27	80m	+15 / -	3B9FR	- / -	5	Partial capture
08-21 19:48	160m	0 / -	OZ1DJJ	+15 / +10	5	✓ Full exchange observed
08-21 19:23	160m	0 / +2	UA3UBV	-14 / -1	10	✓ Full exchange observed
08-21 19:21	160m	+5 / +2	OH8HTG	-8 / -2	5	✓ Full exchange observed
08-21 15:52	20m	-9 / -	5H6PJ	- / -	2	Partial capture
08-20 21:10	40m	-4 / -	OJ0JR	-10 / -16	5	✓ Closing observed
08-19 20:48	80m	+11 / -	WH6GNK	- / -	3	Partial capture
08-19 20:45	60m	-4 / +2	OJ0JR	-3 / +7	3	Partial capture
08-19 20:09	40m	-15 / -	5A1AL	- / -	2	Partial capture
08-19 20:04	40m	-11 / -	5A1AL	- / -	4	Partial capture
08-19 19:58	40m	-3 / -	YL3RK	-6 / -4	5	✓ Closing observed
08-19 19:51	40m	-8 / -	5A1AL	- / -	2	Partial capture
08-19 19:46	40m	-20 / -	5A1AL	- / -15	2	Partial capture
08-19 04:36	80m	+7 / -14	DO2NM	-23 / -9	5	✓ Full exchange observed
08-19 04:10	60m	-4 / -	PP5WX	- / -	2	Partial capture
08-18 20:08	160m	- / -	DL0FTT	+2 / -	3	Partial capture
08-18 20:07	60m	-20 / -	OJ0YL	- / -2	4	Partial capture
08-18 20:02	160m	-4 / -	DL5YEE	-12 / -13	4	Partial capture
08-18 20:00	160m	-4 / 0	DL8OH	+4 / -	4	✓ Full exchange observed
08-18 19:42	80m	+6 / -11	S59A	+18 / -	9	✓ Full exchange observed
08-18 19:17	160m	-10 / -	LA6YEA	-4 / 0	4	✓ Closing observed
08-17 19:49	40m	-16 / +1	LY5J	-12 / +5	3	✓ Full exchange observed
08-17 19:48	40m	-15 / +2	SN1A	-14 / -	5	✓ Full exchange observed
08-17 19:47	40m	-15 / -	KG6JDX	- / -	2	Partial capture
08-17 19:37	60m	-9 / -1	DF7EF	-9 / +9	5	✓ Full exchange observed
08-17 19:37	60m	-9 / -	OH6JD	+18 / -4	5	✓ Closing observed
08-17 19:29	160m	-9 / -2	DK7QJ	-20 / -19	3	✓ Full exchange observed
08-17 19:26	160m	-16 / -	LA1ZN	- / -18	3	✓ Closing fragment
08-17 18:24	20m	-11 / -	JE1AEX	- / -	2	Partial capture
08-17 18:22	20m	-12 / -	GM3CQD	- / -5	2	✓ Closing fragment
08-17 18:21	20m	-15 / -11	JA1XZF	-21 / -14	2	Partial capture
08-17 18:08	80m	- / -7	<...>	-23 / -	3	Partial capture
08-16 19:54	160m	-2 / -	RA3LCI	- / -22	2	✓ Closing fragment
08-16 19:52	160m	-5 / -2	SQ2BXI	+17 / +3	5	✓ Full exchange observed
08-13 21:03	160m	-2 / -	ON6LR	- / -14	2	✓ Closing fragment
08-13 21:03	160m	+1 / +3	RA3WY	-1 / +10	6	✓ Full exchange observed
08-13 21:01	160m	+3 / +3	DG1KPC	-11 / -1	5	✓ Full exchange observed
08-13 21:01	160m	+5 / -	RV9CX	- / -15	2	✓ Closing fragment
08-13 20:54	160m	- / -	SP3BPU	+9 / -	4	Partial capture
08-13 20:53	160m	- / -	SV2AEL	-9 / -	3	Partial capture
08-13 20:52	160m	+4 / -10	PE0TS	-12 / -10	6	✓ Full exchange observed
08-12 20:46	160m	-4 / -	R3ICU	- / -23	3	✓ Closing fragment
08-12 20:24	160m	-1 / -	DL1BJL	- / -17	3	✓ Closing fragment
08-12 20:23	160m	-2 / -	RV3V	-8 / +4	3	✓ Closing observed
08-12 20:22	160m	0 / -12	DL6II	-4 / -2	4	✓ Full exchange observed
08-12 18:53	160m	-3 / -14	RW2Z	-14 / -12	5	✓ Full exchange observed
08-12 18:51	160m	-4 / -3	R1MA	-17 / -8	4	✓ Full exchange observed
08-12 18:49	160m	-8 / -	OK1XV	+5 / -4	4	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
044015 -17 2453  YL3HI G4UJS -12
210315 +11 2752  XU7O YL3HI KO16 (x14)

160m

UTC    dB Audio  Message
192315  -4 2561  UA3UBV YL3HI -01 (x2)
192400 -13 1385  YL3HI UA3UBV R+02
192415  +0 2561  UA3UBV YL3HI RR73 (x4)
192700 -18 1384  YL3HI UA3UBV -04 (x2)
194815  +2 2425  OZ1DJJ YL3HI KO16
194830 +16 2688  YL3HI OZ1DJJ +12
194845  +3 2425  OZ1DJJ YL3HI R+10
194900 +14 2688  YL3HI OZ1DJJ RR73
194915  -5 2425  OZ1DJJ YL3HI 73
195015  +2 2425  R2EA/P YL3HI -18

20m

UTC    dB Audio  Message
215930  -3 1508  YL3HI CT7AUT RR73
222600  -7 2101  YL3HI EA1FUB RR73 (x2)
055730 -14 2075  YL3HI OA4YX -20 (x3)
181915  -5  459  4X5JK YL3HI KO16
182115 -21 2349  YL3HI JA1XZF -11
182130 -15  459  JA1XZF YL3HI R-14
182230 -14  458  GM3CQD YL3HI -05 (x2)
182400  -9  458  JE1AEX YL3HI KO16 (x2)
155200 -14 3023  5H6PJ YL3HI KO16 (x2)

40m

UTC    dB Audio  Message
200100  -2 2783  YL3RK YL3HI R-04 (x2)
200145  -6 2781  YL3HI YL3RK 73
200315  -9 3086  <...> YL3HI KO16
200445  -9 3086  5A1AL YL3HI KO16 (x6)
211045  -4 2658  OJ0JR YL3HI KO16 (x3)
211200 -10  386  YL3HI OJ0JR RR73
211215  -4 2658  OJ0JR YL3HI 73

60m

UTC    dB Audio  Message
193845 +18 2842  YL3HI OH6JD RR73
193900 -10 2166  OH6JD YL3HI 73
193915 -17 1380  YL3HI DF7EF R-01
193930  -8 2166  DF7EF YL3HI RR73
193945  -9 1380  YL3HI DF7EF 73
200715 -11 2658  OJ0YL YL3HI KO16 (x4)
041030  -5 2561  PP5WX YL3HI KO16 (x2)
204545  -5 2585  OJ0JR YL3HI KO16
204600  -3  701  YL3HI OJ0JR +02
204615  -4 2586  OJ0JR YL3HI R+07
204630  -2  701  YL3HI RR73; F6CSQ <...> -04

10m

UTC    dB Audio  Message
194115  +3 2856  5H1KB YL3HI R-10 (x5)
194330  +5  384  YL3HI 5H1KB -07
194345  +6  441  5H1KB YL3HI R-12
194400  +6  384  YL3HI RR73; IU1NGT <...> +02
194415 +20  441  5H1KB YL3HI 73
083100  -6 2716  YL3HI RZ6L KN97 (x3)
065545  -2 2479  YL3HI IU8ADS R-07 (x2)
182430 -18 2320  YL3HI UX1AA -03

Decoder S/N history by band

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