PD4HT — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Netherlands Locator transmitted in a decoded message: JO23

Receiver-side FT8 activity involving PD4HT, decoded by SO8OO in southeastern Poland. 690 related FT8 messages, 56 CQ messages, observed on 80m, 40m, 20m, 10m, across 74 UTC dates. Heard between 2026-05-27 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

690

Related messages

CQ messages

UTC dates heard

-9 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-27
Last seen: 2026-08-24 08:08 UTC

Frequent QSO partners observed at SO8OO

Stations PD4HT worked most often, as logged from our receiver:

IK4RVY · Italy ×6 OZ9FF · Denmark ×4 EC3A · Spain ×4 HA1BF · Hungary ×4 OH2ZZ · Finland ×3 YO4GIY · Romania ×3 MW3FLI · Wales ×3 SQ8LE · Poland ×3 DG7CF · Fed. Rep. of Germany ×2 LA1PHA · Norway ×2 DL2VEL · Fed. Rep. of Germany ×2 CR7BRV · Portugal ×2

Activity Heatmap

Locator transmitted by PD4HT

Approximate centre of JO23, decoded 2026-08-24 10:11 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	PD4HT S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-24 10:10	20m	-10 / -	ER1CW	- / -	2	Partial capture
08-24 10:07	20m	-21 / -18	EA5DKT	-13 / -	3	✓ Closing observed
08-24 10:04	20m	-8 / -	K2TQC	- / -	5	Partial capture
08-22 07:52	40m	- / 0	OZ9FF	-10 / -	2	✓ Closing fragment
08-22 07:46	40m	-12 / -18	ON4DN	-9 / -	2	✓ Closing observed
08-22 07:39	40m	-5 / -	M7MJW	-4 / -	2	✓ Closing observed
08-22 07:02	20m	-4 / -	4Z5PT	- / -22	2	✓ Closing fragment
08-22 06:57	20m	-4 / -10	RC5F	+3 / -7	8	✓ Full exchange observed
08-21 09:21	20m	- / -10	HA1BF	+11 / -	3	✓ Closing fragment
08-21 09:18	20m	-15 / -	OH1IM	-24 / -5	2	Partial capture
08-21 09:15	20m	-14 / -	SH4UMN	- / -13	2	Partial capture
08-21 09:12	20m	- / -5	HG0NPJ	-3 / -	2	✓ Closing fragment
08-21 09:11	20m	-2 / -16	I3QDK	+2 / -	3	✓ Closing observed
08-21 09:01	40m	-12 / -	DM3YBN	- / -	2	✓ Closing fragment
08-21 08:55	40m	-17 / -	DB3MAX	-17 / -9	2	✓ Closing observed
08-20 09:25	40m	- / 0	9A3PV	-17 / -	2	✓ Closing fragment
08-20 08:57	20m	- / -5	TF5B	-19 / -	2	✓ Closing fragment
08-20 08:50	20m	-3 / -	SP9ENV	- / -16	5	✓ Closing fragment
08-20 08:48	20m	-4 / -	9A4AA	- / -18	3	✓ Closing fragment
08-20 08:41	20m	-8 / -	F1PSX	- / -21	9	Partial capture
08-17 08:51	20m	-8 / -1	G4LJH	-11 / -2	8	✓ Full exchange observed
08-17 08:49	20m	-7 / -	OH2ZZ	- / -4	3	✓ Closing fragment
08-17 08:46	20m	-15 / -	EA3HZE	- / -	4	Partial capture
08-17 08:43	20m	-14 / -	F5SZA	- / -21	4	Partial capture
08-17 08:38	20m	-8 / -	SQ8AA	- / -3	3	✓ Closing fragment
08-17 08:37	20m	- / +2	CT7AUT	-20 / -	2	✓ Closing fragment
08-17 08:33	20m	-21 / -	LY1CZ	- / -14	3	✓ Closing fragment
08-16 06:04	40m	- / -4	DL7ARV	-7 / -	4	✓ Closing fragment
08-16 06:01	40m	- / +3	SQ8LE	-17 / -	3	✓ Closing fragment
08-14 15:44	20m	- / -13	EG2FPA	+2 / -	2	✓ Closing fragment
08-11 07:43	20m	-12 / -	HA5LB	- / -	2	Partial capture
08-11 07:15	20m	-13 / -	<...>	- / -10	3	Partial capture
08-11 07:02	20m	-20 / -	S55X	- / -	4	Partial capture
08-10 06:53	20m	-18 / -	HB9HDK	- / -17	3	Partial capture
08-10 06:47	20m	-20 / -11	E75C	+2 / -	3	✓ Closing observed
08-09 09:07	20m	- / -8	HB9EFK	+4 / -	2	✓ Closing fragment
08-09 09:02	20m	- / -6	F5DAN	-18 / -	2	✓ Closing fragment
08-09 08:57	20m	- / -20	OE6HTG	-14 / -	2	✓ Closing fragment
08-08 07:33	20m	-8 / -	S51BB	- / -	2	Partial capture
08-08 07:31	20m	-7 / -14	IK4RVY	-6 / -6	5	✓ Full exchange observed
08-08 07:26	20m	-10 / -	OZ7DR	- / -7	2	✓ Closing fragment
08-08 07:22	20m	-18 / -	CR5VP	- / -13	5	✓ Closing fragment
08-08 07:19	20m	-20 / -	OH2IPA	- / -	3	✓ Closing fragment
08-08 07:13	20m	-23 / -4	IU1LEB	-7 / -	3	✓ Closing observed
08-08 07:11	20m	-20 / -	OH2ZZ	- / -12	3	✓ Closing fragment
08-07 08:48	20m	- / -16	9A6NTK	-1 / -	2	Partial capture
08-07 08:47	20m	-5 / -1	F1ODM	+16 / -7	3	✓ Full exchange observed
08-07 08:36	20m	-15 / -2	E71AT	-10 / -4	5	✓ Full exchange observed
08-07 08:33	20m	-18 / +8	F4HSB	-19 / -14	6	✓ Full exchange observed
08-07 08:13	20m	-12 / -	YL3PK	- / -24	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
070200  -5 1024  4Z5PT PD4HT R-22 (x2)
070330  -9 1678  HA0NDN PD4HT JO23
070945 -13 1708  PD4HT HB9EFK -17
071030 -12 1967  EA1NP PD4HT JO23
100415  -2 1077  K2TQC PD4HT JO23 (x5)
100730 -21 1733  EA5DKT PD4HT JO23
100745 -13 1733  PD4HT EA5DKT -18 (x2)
101030 -13 1744  ER1CW PD4HT JO23 (x2)

40m

UTC    dB Audio  Message
085530 -17 1026  DB3MAX PD4HT -09
085615 -17 1027  PD4HT DB3MAX 73
090145 -11  909  DM3YBN PD4HT RRR (x2)
090315 -17 1100  M0LAD PD4HT JO23
090615 -10  516  F3CJ PD4HT JO23
072015 -13  945  PD4HT F4LNM JN09
073000  -3 1125  PD4HT DF2RG -10
073215 -13  945  F4SNF PD4HT 73
073930  -5 2620  M7MJW PD4HT JO23
074015  -4 2620  PD4HT M7MJW RR73
074615  -9  405  PD4HT ON4DN -18
074700 -12  407  ON4DN PD4HT 73
075245  -8 2313  PD4HT OZ9FF +00 (x2)

10m

UTC    dB Audio  Message
175200 -17 1072  EA5AOP PD4HT 73
175330 -11 1863  F4FSY PD4HT JO23 (x3)
175600 -17 1540  CT7AUT PD4HT 73
191845 -10 2535  CE3SOC PD4HT JO23
192545 -19 1220  LU2EI PD4HT JO23
083200  -1 1439  PD4HT IK7IMK RR73
154115  -5  653  OE3UKW PD4HT JO23
154615 -15 2143  UX2SB PD4HT 73
154815  -9 2374  SV1CQN PD4HT JO23 (x2)
134145 -21 1937  PD4HT EA3HKA +10 (x2)
134845 -20 1839  PD4HT EB3JT 73

80m

UTC    dB Audio  Message
215330 -18 1237  PD4HT CS2WWA RR73

Decoder S/N history by band

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