IU4DTV/IOA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Italy

Receiver-side FT8 activity involving IU4DTV/IOA, decoded by SO8OO in southeastern Poland. 405 related FT8 messages, 183 CQ messages, observed on 80m, 60m, 40m, 20m, across 4 UTC dates. Heard between 2026-06-13 and 2026-06-16.

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

405

Related messages

183

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

80m 20m 40m 60m

First seen: 2026-06-13
Last seen: 2026-06-16 18:14 UTC

Frequent QSO partners observed at SO8OO

Stations IU4DTV/IOA worked most often, as logged from our receiver:

R390TB · European Russia S55A · Slovenia EB1GSB · Spain RT25VR · European Russia PD7FS · Netherlands

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	IU4DTV/IOA S/N	Counterpart	Counterpart S/N	Msgs	Capture
06-16 20:12	80m	-8 / -	<...>	-12 / -	2	✓ Closing fragment
06-16 20:06	80m	+2 / -	<...>	-9 / -	2	✓ Closing fragment
06-16 19:01	40m	- / -2	E70SZ	+2 / -	2	Partial capture
06-16 18:59	40m	-8 / -	<...>	-6 / -	3	✓ Closing fragment
06-16 18:56	40m	- / -9	DF0KK	+2 / -	2	Partial capture
06-16 18:51	40m	-7 / -3	ON4MIC	-18 / -7	2	Partial capture
06-16 18:48	40m	- / -	DL3MML	0 / -	2	Partial capture
06-16 18:45	40m	-5 / -	<...>	-8 / -	9	✓ Closing fragment
06-16 18:40	40m	-9 / -	<...>	-17 / -	2	✓ Closing fragment
06-16 18:39	40m	-7 / 0	SQ1PQQ	-14 / -9	2	Partial capture
06-16 18:30	40m	-9 / -	G4JFK	- / -9	3	Partial capture
06-16 18:22	40m	- / +5	DH1NJS	-4 / -	2	Partial capture
06-16 18:16	40m	+3 / -12	UA4FEN	-13 / -8	3	Partial capture
06-16 18:15	40m	-6 / -	<...>	+5 / -	2	✓ Closing fragment
06-16 18:12	40m	+3 / -	<...>	-6 / -	2	✓ Closing fragment
06-16 12:03	20m	- / -	PE9JAN	-9 / -	3	Partial capture
06-16 11:57	20m	-20 / -	<...>	-14 / -	4	✓ Closing fragment
06-16 04:18	40m	-5 / -	WA4TED	- / -19	2	Partial capture
06-16 04:17	40m	-5 / -	<...>	- / -	2	✓ Closing fragment
06-15 20:26	40m	-6 / -	<...>	-3 / -	2	✓ Closing fragment
06-15 20:21	40m	0 / -	<...>	-5 / -	2	✓ Closing fragment
06-15 20:17	40m	-2 / -6	DL9ZBD	+2 / -6	2	Partial capture
06-15 20:15	40m	-6 / -	<...>	-8 / -	4	✓ Closing fragment
06-15 20:15	40m	+7 / +8	IW9FRA	-17 / -10	2	Partial capture
06-15 20:09	40m	-8 / -	IU1DXU	-7 / -3	2	Partial capture
06-15 20:04	40m	+2 / -	<...>	-2 / -	8	✓ Closing fragment
06-15 20:02	40m	- / -	DL8UBR	-4 / -	2	Partial capture
06-15 19:54	40m	-4 / -4	S55A	+6 / -2	3	✓ Full exchange observed
06-15 19:54	40m	- / -	SP6SOZ	-7 / -	7	Partial capture
06-15 19:53	40m	-6 / -	<...>	+9 / -	3	✓ Closing fragment
06-15 19:49	40m	+1 / +6	UF1A	+3 / 0	2	Partial capture
06-15 19:49	40m	-5 / -6	IT9IPQ	+1 / -3	2	Partial capture
06-15 19:49	40m	0 / -	RT25VR	+1 / -	3	✓ Closing observed
06-15 19:37	40m	-10 / -4	DD1OO	-6 / -8	3	Partial capture
06-15 19:35	40m	-6 / -	<...>	-7 / -	21	✓ Closing fragment
06-15 18:49	40m	-5 / -4	UT4WT	-2 / -5	3	Partial capture
06-15 18:49	40m	-8 / -	<...>	-2 / -	3	✓ Closing fragment
06-15 18:48	40m	-5 / -	EB1GSB	-17 / -12	3	✓ Closing observed
06-15 18:44	40m	-5 / -	<...>	- / -	2	✓ Closing fragment
06-15 18:41	40m	-2 / -	<...>	-10 / -	2	✓ Closing fragment
06-15 18:36	40m	-3 / -	<...>	+6 / -	2	✓ Closing fragment
06-15 18:26	40m	-3 / -	<...>	-7 / -	6	✓ Closing fragment
06-15 18:11	40m	-2 / -	<...>	-1 / -	2	✓ Closing fragment
06-15 18:03	40m	-2 / -	<...>	-4 / -	4	✓ Closing fragment
06-15 18:01	40m	- / -	SA7PGN	0 / -	2	Partial capture
06-15 04:16	40m	-3 / -	<...>	-7 / -	4	✓ Closing fragment
06-15 04:16	40m	+3 / -	G3TKT	-13 / -3	2	Partial capture
06-15 04:12	40m	0 / -	F4FPR	-12 / -5	3	Partial capture
06-15 04:09	40m	-1 / -	<...>	0 / -	6	✓ Closing fragment
06-14 20:24	60m	-18 / -	<...>	-3 / -	4	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
192415  +9  526  CQ IU4DTV/IOA (x5)
200630  +2 2184  <...> IU4DTV/IOA RR73
200645 -24 1803  <IU4DTV/IOA> DF0IUK JO63
200645  -9 2184  IU4DTV/IOA <...> 73
200715  -2 2184  CQ IU4DTV/IOA (x4)
201200  -8 1366  <...> IU4DTV/IOA RR73
201215 -12 1366  IU4DTV/IOA <...> 73
201445 -15 1366  IU4DTV/IOA DO2ANW JN57

40m

UTC    dB Audio  Message
185215  -5 1235  IU4DTV/IOA DL3MML JO40
185400 -10 1830  <...> IU4DTV/IOA RR73
185630  +1 1749  IU4DTV/IOA DF0KK JO31
185645  -3 1748  CQ IU4DTV/IOA
185700  +2 1749  IU4DTV/IOA DF0KK R-09
185715  -1 1748  CQ IU4DTV/IOA
185730  +1 1749  R390TB IU4DTV/IOA 73
185745  -2 1748  CQ IU4DTV/IOA
185915  -8 1070  <...> IU4DTV/IOA RR73
185945  -4 1070  CQ IU4DTV/IOA
190100  -8  534  IU4DTV/IOA <...> 73
190130  +1 1748  CQ IU4DTV/IOA
190145  +2 1748  IU4DTV/IOA E70SZ JN84 (x2)
190245  -3 1748  IU4DTV/IOA <...> 73

20m

UTC    dB Audio  Message
115300 -15 1540  CQ IU4DTV/IOA
115715 -22 1537  IU4DTV/IOA <...> 73
115900 -23 2094  <...> IU4DTV/IOA RR73
115930 -20 2093  CQ IU4DTV/IOA
120100 -18 1375  <...> IU4DTV/IOA RR73
120115  -7 1375  IU4DTV/IOA <...> 73
120130 -19 1375  CQ IU4DTV/IOA (x3)
120345 -11 1375  IU4DTV/IOA PE9JAN JO22 (x3)
122930 -21 1814  CQ IU4DTV/IOA
123345  -7 1132  IU4DTV/IOA <...> RR73 (x2)

60m

UTC    dB Audio  Message
194500 -17 1899  IU4DTV/IOA <...> RR73
194715 -18 1006  CQ IU4DTV/IOA (x2)
194945  +0 2238  IU4DTV/IOA DL8GG R-08
195245  -4 1900  IU4DTV/IOA <...> 73 (x2)
200900 -19 1752  IU4DTV/IOA DL8UVG JO71 (x2)
201100 -11 1752  IU4DTV/IOA <...> 73 (x4)
202630 -18  907  <...> IU4DTV/IOA RR73
202645  -1  907  IU4DTV/IOA <...> 73 (x2)

Decoder S/N history by band

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