DS3EXT — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Republic of Korea

Receiver-side FT8 activity involving DS3EXT, decoded by SO8OO in southeastern Poland. 137 related FT8 messages, 2 CQ messages, observed on 40m, 20m, across 28 UTC dates. Heard between 2026-05-22 and 2026-08-20.

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

137
Related messages
2
CQ messages
28
UTC dates heard
-8 dB
Mean decoder S/N

Bands

20m 40m
First seen: 2026-05-22
Last seen: 2026-08-20 11:48 UTC

Frequent QSO partners observed at SO8OO

Stations DS3EXT worked most often, as logged from our receiver:

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 UTCBandDS3EXT S/NCounterpartCounterpart S/NMsgsCapture
08-20 13:50 20m -16 / - SO1CJ - / -20 2 ✓ Closing fragment
08-20 13:49 20m -16 / - SP7IIT - / -8 2 ✓ Closing fragment
08-20 13:48 20m - / -8 R5AV -11 / - 2 ✓ Closing fragment
08-08 18:05 20m - / - DL1API +1 / - 3 Partial capture
08-08 18:02 20m - / - DL1R +3 / - 7 Partial capture
08-04 22:39 20m - / -5 CU2AP -6 / - 2 ✓ Closing fragment
08-04 13:50 20m - / - F1PFU -20 / - 2 Partial capture
08-04 13:44 20m - / - F1PFU -14 / - 2 Partial capture
08-04 13:40 20m - / - F1PFU -17 / - 3 Partial capture
08-02 14:48 20m - / - G6TEQ -6 / - 2 Partial capture
08-02 14:43 20m - / - RZ4FWA -11 / - 4 Partial capture
07-28 14:18 20m - / - RA6AVP -16 / - 2 Partial capture
07-28 14:17 20m - / -6 R2SN -14 / - 2 ✓ Closing fragment
07-24 14:36 20m - / - F6CAX -4 / - 2 Partial capture
07-23 14:44 20m - / -9 R6LQU -11 / - 3 Partial capture
07-23 14:38 20m - / - G1WOV -17 / - 3 Partial capture
07-23 14:32 20m - / - DL9IQ -6 / - 2 Partial capture
07-17 16:36 20m - / -22 IU3ODX -4 / - 3 Partial capture
07-15 14:56 20m - / -25 RD7P -7 / - 5 ✓ Closing fragment
07-15 14:45 20m - / - E70SZ -5 / - 4 Partial capture
07-14 14:38 20m - / - A71DA -19 / - 2 ✓ Closing fragment
07-14 14:37 20m - / - DL1R -8 / - 4 Partial capture
07-03 14:04 20m - / - PD0IFI -4 / - 2 Partial capture
07-02 14:39 20m - / -17 UA4PUG -18 / - 2 ✓ Closing fragment
06-30 15:01 20m - / -24 IZ8EYN +3 / - 3 Partial capture
06-30 15:01 20m - / - DL1R 0 / - 8 Partial capture
06-15 14:29 20m - / - RN3GJ -18 / - 2 Partial capture
06-12 14:02 20m - / -17 UA4AGU -8 / - 2 ✓ Closing fragment
06-12 13:58 20m - / -8 RA4ABI -7 / - 3 Partial capture
06-11 13:56 20m - / - DG3VB -13 / - 7 Partial capture
06-09 14:12 20m - / - 9A2RD +14 / - 5 Partial capture
05-29 14:53 20m -6 / - BG7HFE - / 0 2 ✓ Closing fragment
05-29 14:50 20m -6 / - SV9MBL - / - 3 Partial capture
05-29 14:48 20m -3 / - K0PLQ - / -18 3 ✓ Closing fragment
05-29 14:47 20m -4 / - UA3PI - / -2 2 ✓ Closing fragment
05-28 11:56 20m - / -15 LB0UG -7 / - 4 Partial capture
05-27 14:14 20m - / -13 F5URG +3 / - 3 Partial capture
05-27 14:11 20m - / -11 SP5EXA -14 / - 2 ✓ Closing fragment
05-27 14:11 20m - / - RZ4FWA -14 / - 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
180300  -2 2671  DS3EXT DL1R JN58 (x6)
180530  +0  737  DS3EXT DL1API JO51 (x3)
134800 -11 2264  DS3EXT R5AV -08 (x2)
134915 -16 2263  SP7IIT DS3EXT -08 (x2)
135015 -14 2263  SO1CJ DS3EXT -20 (x2)
40m 
UTC    dB Audio  Message
161700 -21 1660  DS3EXT YO6PVX -16

Decoder S/N history by band

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