ON7SX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Belgium Locator transmitted in a decoded message: JO20

Receiver-side FT8 activity involving ON7SX, decoded by SO8OO in southeastern Poland. 60 related FT8 messages, 4 CQ messages, observed on 40m, 20m, 10m, across 11 UTC dates. Heard between 2026-05-26 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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

60
Related messages
4
CQ messages
11
UTC dates heard
-8 dB
Mean decoder S/N

Bands

20m 40m 10m
First seen: 2026-05-26
Last seen: 2026-08-23 07:29 UTC

Frequent QSO partners observed at SO8OO

Stations ON7SX worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by ON7SX

Approximate centre of JO20, decoded 2026-08-23 09:29 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 UTCBandON7SX S/NCounterpartCounterpart S/NMsgsCapture
08-23 09:30 20m -9 / - TA1EVR - / -23 4 ✓ Closing fragment
08-23 09:26 20m -13 / - UA4POO - / - 3 Partial capture
08-23 09:25 20m -14 / - ZV8R - / - 2 Partial capture
08-16 09:54 20m - / -5 LA8OKA -12 / - 2 ✓ Closing fragment
08-09 10:09 20m - / - OE6TNO -8 / - 3 ✓ Closing fragment
08-09 09:12 20m - / -20 DF3IS -20 / - 4 Partial capture
08-09 08:30 20m - / - ON8WI -11 / - 7 Partial capture
08-09 08:21 20m - / -5 IW2DNI -10 / - 3 ✓ Closing fragment
08-02 10:49 20m -12 / - AA1EF - / -21 2 Partial capture
08-02 10:47 20m -14 / - S57NTR/P - / -11 2 ✓ Closing fragment
08-02 10:43 20m -10 / - 9A3TGY - / - 2 Partial capture
08-02 08:35 20m -9 / - OS9T - / -5 6 Partial capture
08-02 08:31 20m -14 / - PD3LKN -6 / +1 10 ✓ Closing observed
08-02 08:26 20m - / -7 IW5DNZ -2 / - 3 ✓ Closing fragment
08-02 08:18 20m - / - IW5DNZ +13 / - 6 Partial capture
08-02 08:12 20m - / -10 F4MAK -18 / - 2 Partial capture
07-31 10:27 20m -14 / - IW2EPE/P - / - 2 Partial capture
07-31 10:25 20m -14 / - <...> - / - 2 Partial capture
07-31 10:19 20m 0 / - 9A3TGY - / -6 4 ✓ Closing fragment
07-21 08:09 20m -24 / - TK5NJ - / - 3 ✓ Closing fragment
07-03 18:14 40m - / - DL3MIB -15 / - 4 Partial capture
06-21 10:19 20m -16 / - IS0BPX - / - 2 Partial capture
06-20 13:11 10m - / -13 IQ2VC -7 / - 3 ✓ Closing fragment
06-12 10:28 10m -4 / - <...> - / - 2 Partial capture
06-10 08:59 10m - / -18 AO100AG -8 / - 2 Partial capture
05-30 12:56 20m -9 / - KA9FOX - / - 3 Partial capture
05-30 12:52 20m -15 / - RI0SP - / +7 3 ✓ Closing fragment
05-30 12:45 20m -12 / -22 SV8IIQ -12 / +2 6 ✓ Full exchange observed
05-30 12:43 20m - / -22 RA3P -8 / - 2 ✓ Closing fragment
05-30 12:42 20m -14 / - ER3CT - / - 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
100945  -6 1356  ON7SX OE6TNO JN77
101045  -9 2777  ON7SX SM6KKX JO67
101045 -12 1356  ON7SX OE6TNO 73
095445 -14  716  ON7SX LA8OKA -05 (x2)
092545 -14 1371  ZV8R ON7SX JO20 (x2)
092645 -17 1369  UA4POO ON7SX JO20 (x3)
092915 -10 1366  CQ POTA ON7SX JO20
093045 -12 1365  TA1EVR ON7SX R-23 (x4)
10m 
UTC    dB Audio  Message
132215 -12 1008  ON7SX EH90ALL -07
085900  -9 1981  ON7SX AO100AG -18 (x2)
102815  -1 1145  <...> ON7SX JO20 (x2)
103100  -6 1145  SV2CLJ ON7SX JO20
130615 -20 1142  IK4IDY ON7SX 73
131145  -7 1634  ON7SX IQ2VC -13 (x3)
174445 -20 1382  9J2FI ON7SX R-07
40m 
UTC    dB Audio  Message
181430 -17 1069  ON7SX DL3MIB JN57 (x4)

Decoder S/N history by band

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