YU5DR — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Serbia Locator transmitted in a decoded message: KN04

Receiver-side FT8 activity involving YU5DR, decoded by SO8OO in southeastern Poland. 2,082 related FT8 messages, 768 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 59 UTC dates. Heard between 2026-05-23 and 2026-08-21.

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

2,082
Related messages
768
CQ messages
59
UTC dates heard
-7 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 10m
First seen: 2026-05-23
Last seen: 2026-08-21 09:23 UTC

Frequent QSO partners observed at SO8OO

Stations YU5DR worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by YU5DR

Approximate centre of KN04, decoded 2026-08-19 19:33 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 UTCBandYU5DR S/NCounterpartCounterpart S/NMsgsCapture
08-21 11:22 10m - / -3 DO5STL -13 / - 3 ✓ Closing fragment
08-21 10:37 10m - / -12 DN9DKN -10 / - 2 ✓ Closing fragment
08-20 19:49 40m - / - SQ1MNG +2 / - 3 Partial capture
08-20 19:45 80m 0 / +3 YT5DL +4 / - 5 ✓ Full exchange observed
08-19 19:33 80m - / - SV7LWI -17 / - 3 Partial capture
08-19 19:28 80m +1 / -12 SP9UOP +13 / - 4 ✓ Closing observed
08-19 19:28 80m +10 / +2 SQ3JVA -10 / - 3 Partial capture
08-19 19:26 80m +3 / -1 R1TET -8 / -9 5 ✓ Full exchange observed
08-19 19:25 80m +4 / +6 HA8RC +4 / +7 3 ✓ Full exchange observed
08-19 19:23 20m - / - M0PEL -9 / - 3 Partial capture
08-19 19:14 20m -14 / - RN2FQ - / - 3 Partial capture
08-19 19:11 20m -12 / -14 R2SN -23 / - 3 Partial capture
08-19 06:23 10m - / -1 US5EAA -14 / - 3 ✓ Closing fragment
08-19 06:00 10m - / -21 PD2V -2 / - 3 ✓ Closing fragment
08-19 05:42 10m - / -2 UR1CCT +2 / - 3 ✓ Closing fragment
08-18 21:28 40m - / -3 F1PBZ -12 / - 3 Partial capture
08-18 21:21 40m - / -7 F1IQH -15 / - 2 Partial capture
08-18 21:12 80m - / -14 PH7GD -7 / - 7 Partial capture
08-18 21:10 80m - / - SP9WAZ +2 / - 5 ✓ Closing fragment
08-18 20:58 80m +2 / -13 G4FHL +2 / -9 4 Partial capture
08-18 20:57 80m +2 / -6 HF9T -4 / +3 4 ✓ Full exchange observed
08-18 20:57 80m 0 / -9 OZ1IVA -8 / -11 6 ✓ Full exchange observed
08-18 20:52 80m +2 / -5 DO9JTR +10 / +7 9 ✓ Full exchange observed
08-18 20:52 80m - / -2 SP9WAZ -1 / - 4 Partial capture
08-18 20:51 80m - / - SP9LDE -6 / - 3 Partial capture
08-18 20:38 80m +8 / - DL1UDO +4 / -7 5 Partial capture
08-18 20:38 80m +6 / - EB1LA -17 / -14 2 Partial capture
08-18 10:30 20m -18 / -6 SQ1RTU -14 / -3 3 ✓ Full exchange observed
08-18 10:28 20m -19 / - IK2XDF -14 / - 3 ✓ Closing observed
08-18 10:26 20m -12 / -6 DL3TA -20 / -6 4 ✓ Full exchange observed
08-17 20:47 80m - / - DO4HHK -15 / - 2 Partial capture
08-17 20:45 80m -2 / - IU8SOQ - / -18 3 ✓ Closing fragment
08-17 20:45 80m +2 / +10 <...> -5 / +4 5 Partial capture
08-17 20:43 80m -3 / +7 LZ3AN +8 / +8 5 ✓ Full exchange observed
08-17 20:01 80m +1 / - JH4IFF - / -13 3 ✓ Closing fragment
08-17 19:56 80m 0 / -10 UA3GX -24 / -18 8 ✓ Full exchange observed
08-17 19:55 80m -2 / - JE6WOQ - / -16 2 ✓ Closing fragment
08-17 19:52 80m 0 / - EA5HM - / -19 5 Partial capture
08-17 19:50 80m - / +2 LY8O -4 / - 2 ✓ Closing fragment
08-17 05:41 20m - / -10 UA9CK -12 / - 5 ✓ Closing fragment
08-17 05:36 20m - / -16 PD2WL -7 / - 4 Partial capture
08-16 22:00 80m +3 / -18 EA7ATM -24 / -7 7 ✓ Full exchange observed
08-16 21:57 80m +7 / -11 DO6JSA -23 / -11 8 ✓ Full exchange observed
08-16 21:57 80m +8 / - SE7LH -6 / - 3 ✓ Closing observed
08-16 21:54 80m +6 / -18 EA7ATM -24 / -3 5 Partial capture
08-16 21:53 80m +8 / - F1HSY - / -17 2 ✓ Closing fragment
08-16 21:52 80m +4 / -12 R5AV -10 / +8 4 ✓ Full exchange observed
08-16 21:50 80m +9 / - DA6IT - / -15 2 ✓ Closing fragment
08-16 21:46 80m +7 / - CT7AUT - / -18 2 ✓ Closing fragment
08-16 21:46 80m +10 / 0 F4MGP -23 / -8 9 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

10m 
UTC    dB Audio  Message
054230  -1 1350  YU5DR UR1CCT KN69 (x3)
060000  -3 1601  YU5DR PD2V JO22 (x3)
062330 -18 1987  YU5DR US5EAA KN78 (x3)
103630 -11 1782  YU5DR DO5STL JO31
103700 -10  775  YU5DR DN9DKN R-12 (x2)
112230 -12 2025  YU5DR DO5STL JO31 (x3)
40m 
UTC    dB Audio  Message
210800 -13 2004  DM2BM YU5DR -13 (x2)
210915 -16 1720  YU5DR DM2BM R-03
210930 -15 2004  DM2BM YU5DR RR73
210945 -13 1720  YU5DR DM2BM 73
211030 -15 2004  DM2BM YU5DR RR73
211045 -21 1720  YU5DR DM2BM 73
212145 -14  989  YU5DR F1IQH JN27 (x2)
212815 -12 2632  YU5DR F1PBZ -03 (x3)
194915  +5 1543  YU5DR SQ1MNG JO72 (x3)
80m 
UTC    dB Audio  Message
193030 -10 2008  YU5DR SQ3JVA +02
193030  +1 1512  SP9UOP YU5DR 73
193100  +5 1512  CQ YU5DR KN04 (x5)
193315 -11 1850  YU5DR SV7LWI KN20 (x3)
194545  +3 1512  YU5DR YT5DL KN04
194600  -1 2012  YT5DL YU5DR +18
194615  +5 1512  YU5DR YT5DL R+03
194630  +1 1512  YT5DL YU5DR RR73
194645  +5 1512  YU5DR YT5DL 73
20m 
UTC    dB Audio  Message
104600 -22 2012  CQ YU5DR KN04 (x2)
185200 -13 1589  YU5DR M9LCB -05
191130 -24 1914  YU5DR R2SN -14 (x2)
191215 -12 1754  R2SN YU5DR R+12
191415 -15 1568  RN2FQ YU5DR KN04 (x3)
191945  -6 1567  CQ YU5DR KN04 (x3)
192300  -6 1567  YU5DR M0PEL JO01 (x3)
60m 
UTC    dB Audio  Message
201730 -19 1532  YU5DR DK7ZT +02 (x2)

Decoder S/N history by band

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