PI4DX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Netherlands Locator transmitted in a decoded message: JO21

Receiver-side FT8 activity involving PI4DX, decoded by SO8OO in southeastern Poland. 20,448 related FT8 messages, 17,987 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 76 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

20,448

Related messages

17,987

CQ messages

UTC dates heard

-2 dB

Mean decoder S/N

Bands

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

First seen: 2026-05-26
Last seen: 2026-08-24 13:12 UTC

Frequent QSO partners observed at SO8OO

Stations PI4DX worked most often, as logged from our receiver:

IW5ALZ · Italy ×12 F1IQH · France ×10 IK4LZH · Italy ×9 IZ5FSO · Italy ×8 ON1BH · Belgium ×8 SP5DUJ · Poland ×7 HA3GX · Hungary ×7 EA2EED · Spain ×6 TA7ARH · Asiatic Turkey ×6 M7GOA · England ×6 KC2NDA · United States ×6 ON4MAP · Belgium ×6

Activity Heatmap

Locator transmitted by PI4DX

Approximate centre of JO21, decoded 2026-08-24 15:12 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	PI4DX S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-24 14:58	20m	0 / -	EA8BYO	- / -5	2	Partial capture
08-24 14:21	20m	+4 / -	BH4ECL	- / -18	2	✓ Closing fragment
08-24 14:01	20m	+1 / -10	K1RE	-18 / -3	2	Partial capture
08-24 13:14	20m	+1 / -	WF1B	- / -25	3	✓ Closing fragment
08-24 13:13	20m	0 / -	OK5AG/P	- / -3	2	✓ Closing fragment
08-24 13:11	20m	+2 / -	W2HYW	- / -17	2	✓ Closing fragment
08-24 12:36	20m	+6 / -	VA3ZK	- / -10	2	✓ Closing fragment
08-24 11:42	20m	+2 / +5	G5MJF	-16 / +9	3	✓ Full exchange observed
08-24 11:39	20m	-4 / -	M9JOI	- / -13	3	✓ Closing fragment
08-24 11:27	20m	-8 / -	VE2TPI	- / -11	2	✓ Closing fragment
08-24 10:43	20m	+3 / -	IN3JRZ	- / -7	2	✓ Closing fragment
08-24 10:31	20m	+3 / -	DC9GT	- / -10	2	✓ Closing fragment
08-24 10:08	20m	+4 / -	HB9RSG	- / -	2	✓ Closing fragment
08-24 10:01	20m	- / +1	F1SZC	-2 / -	3	✓ Closing fragment
08-24 09:32	20m	+3 / -	YB6IDM	- / -11	3	✓ Closing fragment
08-24 09:30	20m	+5 / -	IK4LZH	+14 / -10	4	✓ Closing observed
08-24 09:00	20m	+5 / -	WB5N	- / -25	3	✓ Closing fragment
08-24 08:51	20m	0 / -12	M9VVE	+4 / -16	23	✓ Full exchange observed
08-24 08:41	20m	+4 / -	UR5WCS	- / -4	4	✓ Closing fragment
08-24 08:38	20m	+4 / -	M9VVE	- / -	5	✓ Closing fragment
08-24 08:34	20m	+1 / -	M9VVE	- / -25	3	✓ Closing fragment
08-24 08:25	20m	0 / -	YO8XFU	- / -12	2	✓ Closing fragment
08-24 08:08	20m	+6 / -	R8LDJ	- / -25	2	✓ Closing fragment
08-24 08:05	20m	+5 / -	DK1MBY	- / -11	4	✓ Closing fragment
08-24 08:03	20m	+12 / -	W8OBX	- / -6	2	✓ Closing fragment
08-24 07:38	20m	- / -16	G8OO	-10 / -	2	Partial capture
08-24 07:33	20m	-4 / -	G8OO	-8 / -21	6	Partial capture
08-24 07:28	20m	+4 / -	SP9KH	- / -7	2	✓ Closing fragment
08-24 06:59	20m	+8 / -	VK2BSA	- / -5	2	✓ Closing fragment
08-24 06:50	20m	-6 / -	VK3EMR	- / -9	2	✓ Closing fragment
08-24 06:50	20m	-6 / -16	PD5N	-4 / -21	7	✓ Full exchange observed
08-24 06:48	20m	-8 / -	ZL1VAH	- / -10	2	✓ Closing fragment
08-24 06:41	20m	0 / -	VK2PYG	- / -17	4	✓ Closing fragment
08-24 06:34	20m	-2 / -	N1KSY	- / -11	4	Partial capture
08-24 06:31	20m	-1 / -22	M0IOW	-20 / -23	5	✓ Full exchange observed
08-24 06:12	20m	+4 / -	UR5WCS	- / -4	3	✓ Closing fragment
08-24 05:59	20m	-5 / -	SQ5STY	- / -9	3	✓ Closing fragment
08-24 05:56	20m	+7 / -	ZL1JRD	- / -11	3	✓ Closing fragment
08-23 09:09	20m	0 / -	R9FEM	- / -6	2	✓ Closing fragment
08-23 09:06	20m	+2 / -	EA4HZK	- / -25	2	✓ Closing fragment
08-23 09:01	20m	-8 / -	E20HDI	- / -11	2	✓ Closing fragment
08-23 08:55	20m	-4 / -	S57AJ	- / -5	2	✓ Closing fragment
08-23 08:53	20m	0 / -	RC6ZG	- / -12	2	✓ Closing fragment
08-23 08:49	20m	+2 / -	EA4NX	- / +4	2	✓ Closing fragment
08-23 08:48	20m	-8 / -	VK4WTN	- / -15	2	✓ Closing fragment
08-23 08:29	20m	-3 / -20	SV1BLD	-2 / -12	10	✓ Full exchange observed
08-23 08:25	20m	+4 / -	BA4OO	- / -8	2	✓ Closing fragment
08-23 08:18	20m	+3 / -	BD3OIB	- / -16	9	Partial capture
08-23 07:16	20m	-2 / -	JA3HYV	- / -25	2	✓ Closing fragment
08-23 07:12	20m	0 / -	VK5IU	- / +2	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
143615  +1 1022  CQ PI4DX JO21 (x7)
145545  +3 1022  SO3KL PI4DX -16
145815  -6 1022  EA8BYO PI4DX R-05 (x2)
150345 -12 1022  CQ PI4DX JO21
150445 -19 1022  KC1VFW PI4DX -16
151115 -12 1022  CQ PI4DX JO21 (x3)

80m

UTC    dB Audio  Message
055145  +0  982  CQ PI4DX JO21 (x3)
055345  -5  982  EA8SG PI4DX -14 (x7)
055715  +0  982  CQ PI4DX JO21
055845  -7  982  DO2NM PI4DX RR73
055945  -3  982  CQ PI4DX JO21 (x3)

40m

UTC    dB Audio  Message
191515 -14  857  PI4DX R4HNT 73
191530  -1  857  CQ PI4DX JO21 (x2)
191630  +3  857  R9WGG PI4DX +02
191645 -17 1146  PI4DX R9WGG LO72
191700  -1  857  R9WGG PI4DX +02 (x5)
191930  +1  858  CQ PI4DX JO21 (x3)
192100  +1  857  RA9HL PI4DX R-11 (x2)

10m

UTC    dB Audio  Message
184930  -7 1092  CQ PI4DX JO21 (x3)
185045 -14 1092  PI4DX M8FQT IO93
185100  -7 1092  M8FQT PI4DX -15 (x2)
185145 -19 1091  PI4DX M8FQT R-13
185200  -2 1092  M8FQT PI4DX -15 (x2)
185400 -14 1092  CQ PI4DX JO21
185530 -15 1092  IN3IZQ PI4DX -03
185630 -18 1092  CQ PI4DX JO21 (x4)

60m

UTC    dB Audio  Message
071445 -22 1602  CQ PI4DX JO21 (x14)
073045 -24 1602  G7RTI PI4DX RR73

160m

UTC    dB Audio  Message
024830  +0  986  KO4PRE PI4DX R-13 (x2)
030615  -9  986  PY9MP PI4DX JO21 (x11)
032345  +0  986  MW7TTA PI4DX -07
195400  +4  808  UD8S PI4DX JO21

Decoder S/N history by band

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