YO4ASD — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Romania

Receiver-side FT8 activity involving YO4ASD, decoded by SO8OO in southeastern Poland. 318 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 59 UTC dates. Heard between 2026-05-24 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

318
Related messages
0
CQ messages
59
UTC dates heard
-6 dB
Mean decoder S/N

Bands

80m 40m 20m 10m
First seen: 2026-05-24
Last seen: 2026-08-21 23:15 UTC

Frequent QSO partners observed at SO8OO

Stations YO4ASD 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 UTCBandYO4ASD S/NCounterpartCounterpart S/NMsgsCapture
08-22 01:13 80m +2 / +6 II7MGBT +1 / -15 2 Partial capture
08-22 01:09 40m -8 / -15 WR3Y -6 / -10 4 ✓ Full exchange observed
08-22 01:08 40m -12 / - KC9EE - / -15 2 Partial capture
08-22 01:06 40m -12 / -13 MM8FKF -9 / -18 3 ✓ Full exchange observed
08-22 01:04 40m -5 / - WR3Y - / -13 2 Partial capture
08-22 00:35 20m -18 / -11 8Z1IT -13 / -11 2 Partial capture
08-21 16:57 10m - / -9 DN9BT -8 / - 2 ✓ Closing fragment
08-20 18:50 20m - / -5 D2IM -10 / - 2 ✓ Closing fragment
08-20 17:58 10m -12 / - SP3JDZ - / -3 2 ✓ Closing fragment
08-20 01:35 40m -12 / - N9SZ - / -14 2 Partial capture
08-18 21:55 40m -14 / - D2ACE - / -17 3 Partial capture
08-18 18:18 80m +8 / - <...> - / -18 4 Partial capture
08-18 07:26 10m -15 / - DN9DSP -14 / -15 6 ✓ Closing observed
08-18 07:23 10m -14 / - LZ4VR - / -15 2 Partial capture
08-18 07:19 10m -15 / - <...> - / -15 4 Partial capture
08-17 18:30 80m 0 / -20 II4KEMP -1 / -16 2 Partial capture
08-17 17:22 20m -6 / - BU2FW - / - 2 ✓ Closing fragment
08-17 17:17 20m -6 / - <...> - / -15 4 Partial capture
08-17 08:09 10m - / +1 DL6EL -13 / - 4 ✓ Closing fragment
08-16 20:59 80m -9 / -11 DA6SHO -1 / -21 3 ✓ Full exchange observed
08-16 16:36 20m -16 / - PA2AMJ - / -21 2 Partial capture
08-16 16:34 20m -15 / -2 IW4DNI -9 / -16 4 ✓ Full exchange observed
08-16 15:36 20m -11 / - JA8BSK - / -17 2 Partial capture
08-16 11:25 10m - / -14 DN9SGE -6 / - 2 ✓ Closing fragment
08-15 22:52 80m +4 / -4 R50RKZ -8 / -5 3 ✓ Full exchange observed
08-13 22:54 20m - / -13 WB2NFL -9 / - 2 ✓ Closing fragment
08-11 21:54 80m +3 / - <...> - / -7 2 Partial capture
08-10 01:15 80m - / -16 G8OO -1 / - 8 ✓ Closing fragment
08-10 01:14 80m - / -7 DL/AD2LX +2 / - 4 ✓ Closing fragment
08-10 01:14 80m +10 / - <...> - / -19 2 Partial capture
08-09 21:41 20m -10 / -12 IW4BO -13 / -15 3 ✓ Full exchange observed
08-09 08:10 20m -10 / - <...> - / -12 4 Partial capture
08-06 21:46 80m 0 / - <...> -6 / -4 2 Partial capture
08-06 19:20 80m -2 / -6 <...> -10 / -12 7 Partial capture
08-06 19:12 40m -17 / - OH3CD - / -12 2 Partial capture
08-05 08:03 10m - / - SV1EKI -8 / - 2 Partial capture
08-03 19:34 80m +1 / -9 <...> +8 / -13 2 Partial capture
08-03 19:32 80m - / -8 R1TAX +1 / - 3 Partial capture
08-02 09:18 20m - / -13 PE0F +10 / - 2 ✓ Closing fragment
07-31 21:57 20m - / -5 M0LAD -2 / - 2 ✓ Closing fragment
07-31 19:23 20m - / -4 EH5FJI -10 / - 2 Partial capture
07-29 23:41 80m +4 / -1 R70OBN +2 / -7 4 ✓ Full exchange observed
07-29 23:37 40m -15 / - OZ8XZL - / -16 3 Partial capture
07-25 18:55 20m - / -2 IK1JUS -5 / - 2 Partial capture
07-25 18:37 80m +4 / - SQ9AWN - / -20 4 Partial capture
07-25 18:27 40m -16 / +1 LZ1ZF -6 / - 2 ✓ Closing observed
07-24 21:28 40m -16 / -1 TK5K -15 / -12 5 ✓ Full exchange observed
07-23 18:19 40m -17 / -14 IU4DTV -4 / -17 2 Partial capture
07-18 00:59 80m +5 / -13 8S7DL +11 / -10 4 ✓ Full exchange observed
07-17 17:16 20m -15 / - E74BMN - / -6 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
225500  -3 1980  YO4ASD YO1BRANCUSI R-02
205930  -7  947  DA6SHO YO4ASD -21
205945  -1 1310  YO4ASD DA6SHO R-11
210000 -11  947  DA6SHO YO4ASD RR73
182845  +6  948  DL0KYF YO4ASD -19
183045  +0  948  <II4KEMP> YO4ASD -16
183130  -1 1851  YO4ASD II4KEMP R-20
181815  +7  948  <...> YO4ASD -18 (x5)
011345  +1 2030  YO4ASD II7MGBT R+06
011445  +2  947  II7MGBT YO4ASD -15
011500 -15 1001  YO4ASD II7MGML R-13
40m 
UTC    dB Audio  Message
013515  -9  978  VE9JMC YO4ASD -14
013545 -13  978  N9SZ YO4ASD -14 (x2)
010430  -7  977  WR3Y YO4ASD -13 (x2)
010600  -8  977  MM8FKF YO4ASD -18
010615  -9  996  YO4ASD MM8FKF R-13
010630 -16  978  MM8FKF YO4ASD RR73
010800 -12  977  KC9EE YO4ASD -15 (x2)
010900  -6  977  WR3Y YO4ASD -10
010915  -6 1668  YO4ASD WR3Y R-15
010930 -10  977  WR3Y YO4ASD RR73
010945  -7 1668  YO4ASD WR3Y 73
011030 -10  977  WD4OBP YO4ASD -17
20m 
UTC    dB Audio  Message
171700  -3 1006  <...> YO4ASD -15 (x4)
171900  -9 1006  BU2FW YO4ASD -19 (x3)
174100 -11 1007  HZ1OL YO4ASD -16
175215 -11 1007  U20HVN/R YO4ASD R-24
184300  -8 1522  YO4ASD AO25FDM R+00
185030 -10 2376  YO4ASD D2IM R-05 (x2)
003530 -18 1004  8Z1IT YO4ASD -11
003545 -13 2387  YO4ASD 8Z1IT R-11
003700 -18 1003  BG0EMF YO4ASD -15
10m 
UTC    dB Audio  Message
072230 -13 1003  FK8HA YO4ASD -15
072300 -13 1004  LZ4VR YO4ASD -15 (x2)
072645 -15 1003  DN9DSP YO4ASD -15 (x2)
072830 -19 1292  YO4ASD DN9DSP 73 (x4)
175800  -9 1000  SP3JDZ YO4ASD RR73 (x2)
165730 -10 1622  YO4ASD DN9BT R-09 (x2)
195300 -18 1742  YO4ASD PD4DX R-04
195900  -9  667  YO4ASD DL1TS JN58

Decoder S/N history by band

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