JA5XAE — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan Locator transmitted in a decoded message: PM63

Receiver-side FT8 activity involving JA5XAE, decoded by SO8OO in southeastern Poland. 687 related FT8 messages, 2 CQ messages, observed on 80m, 40m, 20m, 10m, across 62 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.

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Overview

687
Related messages
2
CQ messages
62
UTC dates heard
-3 dB
Mean decoder S/N

Bands

First seen: 2026-05-26
Last seen: 2026-08-23 19:23 UTC

Activity Heatmap

Locator transmitted by JA5XAE

Approximate centre of PM63, decoded 2026-08-23 21:30 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 UTCBandJA5XAE S/NCounterpartCounterpart S/NMsgsCapture
08-23 21:27 20m -2 / - 9K2KU - / - 2 ✓ Closing fragment
08-23 21:26 20m -1 / - IS0LYN - / -12 3 ✓ Closing fragment
08-23 21:23 20m -4 / -13 IV3NEP -20 / -11 5 Partial capture
08-23 20:15 80m - / -11 9A9N +4 / - 2 ✓ Closing fragment
08-23 20:13 80m - / -19 UA3QQG -2 / - 2 Partial capture
08-23 20:11 80m - / -10 US1VAA +12 / - 2 ✓ Closing fragment
08-23 20:10 80m - / - SV8TCK -1 / - 7 Partial capture
08-23 20:10 80m -7 / - 9A9N - / - 2 Partial capture
08-23 20:06 80m -11 / -12 IK5CHL +3 / -18 7 ✓ Closing observed
08-23 20:05 80m -10 / -10 E75C +4 / -14 5 ✓ Full exchange observed
08-23 20:01 40m - / - LA7OY -8 / - 3 Partial capture
08-23 19:59 40m - / - DL6NAC +12 / - 3 Partial capture
08-23 19:57 40m -7 / - RA3APK - / -15 2 ✓ Closing fragment
08-23 19:55 40m -10 / -20 OZ1KZX -4 / -10 4 ✓ Full exchange observed
08-23 19:54 40m - / - PA2WDR -7 / - 7 Partial capture
08-23 19:53 40m -8 / -8 HB9AFZ -6 / -14 5 ✓ Full exchange observed
08-23 19:52 40m -8 / - DJ9NY -1 / -13 4 Partial capture
08-23 19:52 40m - / - G0OYQ -2 / - 5 Partial capture
08-23 19:52 40m -9 / -14 G0VXE +4 / -16 5 ✓ Full exchange observed
08-23 19:50 40m -10 / - RL2F - / -22 3 ✓ Closing fragment
08-23 19:46 40m -11 / - IW2EGM -5 / -13 4 Partial capture
08-23 19:43 40m -11 / - IK3GHR - / -17 2 Partial capture
08-23 19:42 40m - / - G8OO -5 / - 9 Partial capture
08-23 19:41 40m - / -8 R3BDQ -4 / - 3 Partial capture
08-23 19:39 40m -7 / - BA7IWL - / -5 3 ✓ Closing fragment
08-23 19:39 40m - / -11 F1PBZ -10 / - 2 Partial capture
08-23 19:38 40m -9 / - SV8GXC - / -13 2 ✓ Closing fragment
08-23 19:32 40m -10 / - UN8DAW - / -13 4 ✓ Closing fragment
08-23 19:29 40m - / -12 OM2WW +3 / - 3 ✓ Closing fragment
08-23 19:25 40m - / -10 DJ3HW +2 / - 8 ✓ Closing fragment
08-23 19:23 40m -13 / -8 LB7ZG +7 / -14 4 ✓ Full exchange observed
08-22 23:12 20m - / -9 CR7BRV +16 / - 2 ✓ Closing fragment
08-22 23:07 20m - / -16 CR7BRV +11 / - 3 Partial capture
08-22 20:40 40m -4 / -24 T77R 0 / - 3 ✓ Closing observed
08-21 21:37 20m -8 / - EA3AKY -15 / -13 4 ✓ Closing observed
08-21 21:35 20m -10 / -14 DG6VC +5 / -15 5 ✓ Full exchange observed
08-21 21:35 20m -8 / -4 EA6LU -7 / - 4 ✓ Closing observed
08-21 21:33 20m -8 / -11 EA1N -1 / -13 4 ✓ Full exchange observed
08-21 21:31 20m - / -9 EN35UKR +2 / - 2 Partial capture
08-21 20:30 80m - / -15 DL7ACN -9 / - 6 Partial capture
08-21 20:28 80m - / -22 RZ4AT -7 / - 5 ✓ Closing fragment
08-21 20:25 80m - / -16 R3BDQ -8 / - 2 ✓ Closing fragment
08-21 20:24 80m - / -14 DK9WI +11 / - 3 ✓ Closing fragment
08-21 20:23 80m - / +3 OH5KNL +2 / - 2 ✓ Closing fragment
08-21 20:07 40m -20 / - PA0GSP -14 / -13 4 ✓ Closing observed
08-21 20:05 40m -15 / - HB9XBY - / - 2 Partial capture
08-21 20:04 40m -18 / - I1YTO -8 / -17 4 ✓ Closing observed
08-21 20:02 40m -20 / -7 DC1SN -10 / -14 6 ✓ Full exchange observed
08-21 20:00 40m -24 / -10 SA3LEN -3 / -13 4 ✓ Full exchange observed
08-21 12:22 20m - / -20 GJ0KYZ +10 / - 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
231200 +16  594  JA5XAE CR7BRV -09 (x2)
212300  -7 1330  IV3NEP JA5XAE PM63 (x2)
212345 -20 1329  JA5XAE IV3NEP -13
212400  -3 1330  IV3NEP JA5XAE R-11 (x2)
212530  +1 1330  EA8BYZ JA5XAE PM63
212600  -2 1330  IS0LYN JA5XAE PM63 (x3)
212730  -1 1330  9K2KU JA5XAE PM63 (x2)
212900  -6 1330  F4HTA JA5XAE PM63
213000  -2 1330  UR5WCS JA5XAE PM63
80m
UTC    dB Audio  Message
201000  -8  872  9A9N JA5XAE PM63 (x2)
201045  +0  401  JA5XAE SV8TCK KM18 (x2)
201145 +17 2446  JA5XAE US1VAA -10
201145  +5  401  JA5XAE SV8TCK KM18
201215  +7 2446  JA5XAE US1VAA RR73
201215  -7  401  JA5XAE SV8TCK KM18 (x4)
201345  -1  871  JA5XAE UA3QQG -19 (x2)
201515  +2  715  JA5XAE 9A9N -11 (x2)
40m
UTC    dB Audio  Message
195700  -7 2442  RA3APK JA5XAE R-15
195715 -10 2240  JA5XAE PA2WDR JO21
195730  -7 2442  RA3APK JA5XAE 73
195745  -7 2240  JA5XAE PA2WDR JO21
195815  +5 2442  <JA5XAE> OK/PE5EIE
195815  -5 2240  JA5XAE PA2WDR JO21
195830 -11 2442  CQ DX JA5XAE PM63
195845  -6 2240  JA5XAE PA2WDR JO21 (x2)
195945 +13 2442  JA5XAE DL6NAC JO50 (x3)
200115  -7 2442  JA5XAE LA7OY JO49 (x3)
10m
UTC    dB Audio  Message
120345  -3  905  JA5XAE A61CK RR73
114830 -13 2090  JA5XAE 7Q8AK RR73
141045 -10 2345  JA5XAE UN3QA +01 (x2)

Decoder S/N history by band

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