ON5VV — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Belgium Locator transmitted in a decoded message: JO21

Receiver-side FT8 activity involving ON5VV, decoded by SO8OO in southeastern Poland. 151 related FT8 messages, 12 CQ messages, observed on 60m, 40m, 20m, 10m, across 26 UTC dates. Heard between 2026-05-25 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

151
Related messages
12
CQ messages
26
UTC dates heard
-7 dB
Mean decoder S/N

Bands

20m 40m 60m 10m
First seen: 2026-05-25
Last seen: 2026-08-22 22:07 UTC

Frequent QSO partners observed at SO8OO

Stations ON5VV worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by ON5VV

Approximate centre of JO21, decoded 2026-08-23 00:35 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 UTCBandON5VV S/NCounterpartCounterpart S/NMsgsCapture
08-23 00:35 40m -5 / - OA4ENG - / - 2 Partial capture
08-23 00:32 40m -4 / - KE2AQZ - / -8 3 ✓ Closing fragment
08-23 00:28 40m -13 / - VE2PI - / - 4 Partial capture
08-23 00:07 40m +7 / +3 HB9HSJ +3 / - 5 ✓ Full exchange observed
08-22 22:02 20m +6 / - PY5EW - / - 2 Partial capture
08-20 23:38 20m - / -10 VE9JMC -13 / - 3 Partial capture
08-14 20:36 40m -12 / - VJ6X - / -23 2 Partial capture
08-14 20:30 40m -10 / - JA4FDZ - / -17 3 Partial capture
08-13 23:55 40m -11 / - PW8BR - / -6 8 Partial capture
08-13 23:48 40m -12 / - VJ6X - / -19 10 Partial capture
08-13 23:45 40m -10 / -15 UN7JO -8 / +3 4 ✓ Full exchange observed
08-13 23:08 40m -7 / - VJ6X - / -13 8 Partial capture
08-12 01:10 40m -20 / -14 SP0DF -22 / -11 4 Partial capture
08-12 00:58 20m - / -6 HA7TM -23 / - 3 Partial capture
08-09 23:39 40m -3 / - W5RSC - / -16 2 Partial capture
08-06 01:03 40m -5 / - KC1EPL - / -7 3 Partial capture
08-05 23:27 40m -15 / - YB5QZ - / +5 3 ✓ Closing fragment
08-05 23:23 20m -14 / - WY0V - / -9 3 ✓ Closing fragment
08-02 22:22 20m - / -9 YO4NF -14 / - 2 ✓ Closing fragment
07-27 00:54 40m -11 / - HI8J - / - 11 ✓ Closing fragment
07-25 23:43 40m -24 / - VU4R - / - 2 Partial capture
07-25 23:33 40m -15 / - VU4R - / - 3 Partial capture
07-25 22:51 20m -16 / - JT1NQ - / - 2 Partial capture
07-22 23:13 20m -15 / - RZ4FWA - / -18 3 Partial capture
07-21 19:19 40m -9 / - YD2VTS - / -15 5 Partial capture
07-21 00:49 40m -22 / - W4DXM -8 / - 2 ✓ Closing observed
07-20 21:02 40m -12 / - VJ6X - / - 5 Partial capture
07-18 00:46 40m -10 / - CX2SA - / - 2 Partial capture
07-15 20:27 40m -2 / - VK4DAD - / -18 3 Partial capture
07-15 20:25 40m 0 / - F5RRS -14 / +10 3 ✓ Closing observed
07-15 20:20 40m -6 / - VK4DAD - / - 4 Partial capture
07-15 01:42 80m -11 / - VE3XN - / - 11 Partial capture
07-08 22:14 40m -12 / - IQ4JO - / +8 6 ✓ Closing fragment
07-08 22:09 40m - / - F4BYA +7 / - 3 Partial capture
07-08 22:08 40m - / - IQ4JO 0 / - 2 Partial capture
07-08 22:07 40m - / -10 RN6MA -3 / - 3 Partial capture
07-08 21:58 40m - / -13 BD8ENU +2 / - 2 Partial capture
07-05 23:58 40m -15 / - LW5DR - / - 2 Partial capture
07-05 23:52 40m -18 / - PV8AZ - / +3 3 ✓ Closing fragment
07-05 23:48 40m -14 / - PW8BR - / - 3 Partial capture
06-25 21:37 40m -7 / - TN8GD - / -10 3 ✓ Closing fragment
06-24 22:41 60m -20 / -5 OM1AGE -6 / - 8 ✓ Closing observed
06-24 22:40 60m -14 / -4 F5MYK -8 / +6 4 ✓ Full exchange observed
06-24 22:34 60m -2 / -6 F5MYK -7 / - 4 ✓ Closing observed
06-24 22:33 60m -8 / +9 F4EPP -4 / +7 4 ✓ Full exchange observed
06-24 22:32 60m -8 / -6 OE3OOG +1 / -2 5 ✓ Full exchange observed
06-24 22:30 60m -6 / +3 DK7ZT -13 / -1 5 ✓ Full exchange observed
06-24 22:28 60m -5 / -6 DL9KM -13 / -9 7 ✓ Full exchange observed
06-24 22:28 60m - / - F5MYK -8 / - 2 Partial capture
06-24 22:26 60m -8 / -4 TM150BEL +6 / +9 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
000700  +9 2677  HB9HSJ ON5VV JO21
000715  +2 2677  ON5VV HB9HSJ +03
000730  +5 2677  HB9HSJ ON5VV R+32
000745  +4 2677  ON5VV HB9HSJ RR73
000800  +6 2677  HB9HSJ ON5VV 73
001030  +3 1607  N1SK ON5VV JO21
002815 -14 2030  VE2PI ON5VV JO21 (x4)
003215  -3  283  KE2AQZ ON5VV JO21 (x3)
003500  -5 2432  OA4ENG ON5VV JO21 (x2)
20m 
UTC    dB Audio  Message
232430 -15  970  WY0V ON5VV RR73
005615 -22 1968  CQ ON5VV JO21
005630 -14 1967  ON5VV RN6MA -14
005700  -4 2381  ON5VV IQ4JO JN63
005745 -23 1969  CQ ON5VV JO21
005830 -21 1970  ON5VV HA7TM JN97 (x3)
010115 -19 1971  CQ ON5VV JO21                         a1
233845 -13 1719  ON5VV VE9JMC -10 (x3)
220200  +2  354  PY5EW ON5VV JO21 (x2)
234730  -2 1080  W5LST ON5VV JO21
10m 
UTC    dB Audio  Message
194200  +8  823  ON5VV EA8UP -17 (x2)
194445  -5 2446  ON5VV LU8EX -19 (x2)
215845 -18 1463  PV8AJ ON5VV JO21
215900 -19 1463  ON5VV PV8AJ -11
215915 -21 1463  PV8AJ ON5VV R-06 (x2)
183100 -19 1296  LU8GCJ ON5VV JO21
173315  -5 2842  9J2FI ON5VV 73
80m 
UTC    dB Audio  Message
014200 -14  941  VE3XN ON5VV JO21 (x11)
60m 
UTC    dB Audio  Message
223530  -7 2232  ON5VV F5MYK 73
223545  -8 2489  CQ ON5VV JO21                         a1
224030  -8 2232  ON5VV F5MYK -04
224045 -13 2233  F5MYK ON5VV R+06
224100  -8 2232  ON5VV F5MYK RR73
224115 -15 2233  F5MYK ON5VV 73
224130  -5 2582  ON5VV OM1AGE JN88 (x4)
224345 -20 2175  OM1AGE ON5VV JO21
224400  -7 2581  ON5VV OM1AGE -05 (x2)
224445 -20 2175  OM1AGE ON5VV 73
224615 -17 2175  EA8DS ON5VV RR73

Decoder S/N history by band

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