YO3SRJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Romania Locator transmitted in a decoded message: KN34

Receiver-side FT8 activity involving YO3SRJ, decoded by SO8OO in southeastern Poland. 350 related FT8 messages, 41 CQ messages, observed on 40m, 20m, 10m, across 33 UTC dates. Heard between 2026-05-27 and 2026-08-23.

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

350
Related messages
41
CQ messages
33
UTC dates heard
-8 dB
Mean decoder S/N

Bands

First seen: 2026-05-27
Last seen: 2026-08-23 12:32 UTC

Activity Heatmap

Locator transmitted by YO3SRJ

Approximate centre of KN34, decoded 2026-08-23 14:42 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 UTCBandYO3SRJ S/NCounterpartCounterpart S/NMsgsCapture
08-23 14:39 20m -4 / - BU2FW - / - 7 Partial capture
08-23 14:35 20m -6 / - FP8SPF - / - 6 Partial capture
08-23 14:31 20m -7 / -12 EN35UKR +7 / -6 6 Partial capture
08-23 13:35 40m -23 / -18 EN35UKR -11 / - 5 Partial capture
08-06 19:26 20m - / - CT1BFP -12 / - 2 Partial capture
08-06 18:54 40m -22 / - DK7UY -17 / -6 4 Partial capture
08-06 18:52 40m -20 / -9 R4HHN -15 / -3 4 Partial capture
08-06 18:44 40m - / +6 US2YW -8 / - 3 ✓ Closing fragment
08-06 17:31 40m - / -4 SM7JKW -16 / - 5 ✓ Closing fragment
08-06 17:28 40m - / -14 UA4FKT -8 / - 3 ✓ Closing fragment
08-06 15:27 20m -22 / - 3Y3GOO - / -20 2 Partial capture
07-29 19:05 40m -18 / +7 F1PBZ -11 / -12 3 ✓ Full exchange observed
07-28 18:53 20m -11 / -1 F5PEG -4 / -5 7 ✓ Full exchange observed
07-28 18:48 20m - / -14 PD3LKN -15 / - 3 Partial capture
07-28 17:36 40m -19 / -8 YO9HP -11 / - 3 ✓ Closing observed
07-28 16:51 20m -15 / -20 F4IVG -1 / 0 5 ✓ Full exchange observed
07-28 16:49 20m -17 / - YU7DES - / -6 2 Partial capture
07-28 16:47 20m -16 / - PD3LKN -21 / -17 4 Partial capture
07-28 16:44 20m -17 / - BI4JJO - / -7 5 Partial capture
07-28 16:42 20m - / -8 F1PPH -18 / - 3 ✓ Closing fragment
07-25 10:18 20m - / - DL1R 0 / - 8 Partial capture
07-23 19:38 20m - / - M7HET -7 / - 5 Partial capture
07-23 18:44 20m - / -5 EA8AT -21 / - 2 ✓ Closing fragment
07-21 18:02 10m - / -5 TK5K -6 / - 2 ✓ Closing fragment
07-18 20:19 20m -19 / -9 IZ4JMA -12 / 0 3 Partial capture
07-18 20:16 20m -15 / - R2AL -3 / +7 4 ✓ Closing observed
07-18 20:16 20m -22 / - YT2TOR - / - 2 ✓ Closing fragment
07-18 20:01 20m -12 / - TN8GD - / - 2 Partial capture
07-18 17:17 10m - / - IK2XYA +4 / - 4 Partial capture
07-18 17:13 10m - / -2 R3KF -2 / - 2 ✓ Closing fragment
07-18 16:48 40m - / -9 II4JAFL -20 / - 2 Partial capture
07-12 06:26 40m -24 / - TA1BX - / - 2 Partial capture
07-11 10:25 20m -20 / -11 PH1MRF -20 / -9 4 ✓ Full exchange observed
07-10 19:26 40m - / -4 YR50NADIA -18 / - 3 Partial capture
07-10 19:03 20m - / -13 G5MJF -16 / - 2 ✓ Closing fragment
07-10 18:58 20m - / -12 CN2DX -4 / - 2 ✓ Closing fragment
07-10 18:53 20m - / -14 EA7HS -8 / - 5 ✓ Closing fragment
07-10 18:51 20m -16 / -11 <...> -14 / - 2 ✓ Closing fragment
07-09 22:43 40m - / - F4BYA +2 / - 4 Partial capture
07-07 18:55 20m - / -7 RY7G -5 / - 2 ✓ Closing fragment
07-07 18:16 10m - / -20 PD1HPB -18 / - 3 ✓ Closing fragment
07-06 12:24 20m - / - UR4QWW -11 / - 5 Partial capture
06-29 18:30 20m -11 / - PD0PHA - / - 2 ✓ Closing fragment
06-29 18:27 20m -16 / -14 DG9SEH -4 / -6 6 ✓ Full exchange observed
06-29 18:23 20m -14 / - PD0PHA - / -15 5 ✓ Closing fragment
06-29 18:22 20m -14 / - E2WWA - / - 2 Partial capture
06-29 18:10 20m -15 / -8 OL6WWA +7 / -7 9 Partial capture
06-29 18:07 20m -19 / -7 HA7TM -16 / -1 2 Partial capture
06-29 18:05 20m -18 / - SQ3LVF - / -15 2 Partial capture
06-28 03:25 20m -14 / - <...> - / -16 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
143245  -7 2102  EN35UKR YO3SRJ R-06 (x2)
143500  -7 1944  FP8SPF YO3SRJ KN34 (x6)
143930  -7 2217  BU2FW YO3SRJ KN34 (x7)
40m
UTC    dB Audio  Message
184545 -11 1463  YO3SRJ US2YW 73
185215 -15  831  YO3SRJ R4HHN LO43
185330 -20 1463  R4HHN YO3SRJ -03
185345 -15  832  YO3SRJ R4HHN R-09 (x2)
185415 -17 1463  YO3SRJ DK7UY JO44 (x3)
185700 -22 1463  DK7UY YO3SRJ -06
190315 -15 2176  YO3SRJ DL1IP R-18
133500 -23 1459  EN35UKR YO3SRJ KN34
133515 -12 1459  YO3SRJ EN35UKR -18 (x4)
10m
UTC    dB Audio  Message
105945  +3 2604  YO3SRJ DN9AD 73
110445  -9 1214  YO3SRJ M0BEW -13
181645 -18 1575  YO3SRJ PD1HPB JO22 (x3)
171300  -5 1184  YO3SRJ R3KF -02 (x2)
171715 -18 1184  UA3GJM YO3SRJ R-12
171730  +6 2808  YO3SRJ IK2XYA JN45 (x4)
175445 -19 1304  YO3SRJ DH5WB JO50
180200  -7  560  YO3SRJ TK5K -05 (x2)

Decoder S/N history by band

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