DS4CSD — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Republic of Korea

Receiver-side FT8 activity involving DS4CSD, decoded by SO8OO in southeastern Poland. 45 related FT8 messages, observed on 40m, 10m, across 9 UTC dates. Heard between 2026-06-04 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

Related messages

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

40m 10m

First seen: 2026-06-04
Last seen: 2026-08-22 15:15 UTC

Frequent QSO partners observed at SO8OO

Stations DS4CSD worked most often, as logged from our receiver:

UT5ZC · Ukraine RL6LP · European Russia UA3WDO · European Russia R7DX · European Russia R50RKZ · European Russia OE3KLU · Austria SP6JIU · Poland R6OP · European Russia R2EC · European Russia

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	DS4CSD S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 17:15	40m	- / -25	OE3KLU	+11 / -	2	✓ Closing fragment
08-22 17:01	40m	- / -16	UF4S/P	-18 / -	2	Partial capture
08-20 15:56	40m	- / -20	R7DX	+1 / -	2	✓ Closing fragment
08-18 19:11	40m	- / -22	SP6JIU	+13 / -	2	✓ Closing fragment
08-15 18:15	40m	- / -9	UT5ZC	-12 / -	3	✓ Closing fragment
08-15 16:53	40m	- / -16	UA3WDO	-14 / -	2	✓ Closing fragment
08-15 16:50	40m	- / -6	R50RKZ	-13 / -	2	✓ Closing fragment
08-07 20:53	40m	- / -	ON7NQ	-2 / -	2	Partial capture
07-23 20:21	40m	- / -	9A4ZM	-6 / -	3	Partial capture
07-19 20:14	40m	- / -17	UR5HMF	-14 / -	2	Partial capture
07-19 19:16	40m	- / -15	R2EC	-6 / -	2	✓ Closing fragment
06-18 19:33	40m	- / -13	R6OP	-4 / -	2	✓ Closing fragment
06-04 05:47	10m	- / -	4X1UF	-7 / -	15	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
165100 -14 1995  DS4CSD R50RKZ RR73
165330 -13 2143  DS4CSD UA3WDO -16 (x2)
181500 -19 2025  DS4CSD UT5ZC -09 (x3)
191000 -22 2024  DS4CSD UA4POO -17
191130 +12 2952  DS4CSD SP6JIU -22 (x2)
155615  +1 1819  DS4CSD R7DX -20 (x2)
170130 -20 1350  DS4CSD UF4S/P -16 (x2)
171500  +8  799  DS4CSD OE3KLU R-25 (x2)

10m

UTC    dB Audio  Message
054715  -1 2619  DS4CSD 4X1UF KM72 (x15)

Decoder S/N history by band

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