JA7EVP — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JA7EVP, decoded by SO8OO in southeastern Poland. 161 related FT8 messages, 2 CQ messages, observed on 160m, across 16 UTC dates. Heard between 2026-05-24 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.

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

Overview

161
Related messages
2
CQ messages
16
UTC dates heard
-1 dB
Mean decoder S/N

Bands

160m
First seen: 2026-05-24
Last seen: 2026-08-22 17:43 UTC

Frequent QSO partners observed at SO8OO

Stations JA7EVP 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 UTCBandJA7EVP S/NCounterpartCounterpart S/NMsgsCapture
08-22 19:43 160m - / -20 UD8S -17 / - 2 Partial capture
08-22 19:15 160m - / -14 OH7GGX -6 / - 2 ✓ Closing fragment
08-19 19:33 160m - / -12 RA1WU +5 / - 2 ✓ Closing fragment
08-19 19:30 160m - / -12 YU1LD +17 / - 3 ✓ Closing fragment
08-19 19:30 160m - / -16 OH1JP +11 / - 2 ✓ Closing fragment
08-19 19:30 160m - / - UX5UO +2 / - 21 Partial capture
08-19 19:25 160m - / - UX5UO +1 / - 4 Partial capture
08-19 19:24 160m - / -19 RM5F -4 / - 2 ✓ Closing fragment
08-19 19:18 160m - / - UX5UO -6 / - 4 Partial capture
08-18 19:42 160m - / -1 UT5ZC +6 / - 4 ✓ Closing fragment
08-17 19:55 160m - / -19 OH3NAQ +4 / - 4 Partial capture
08-17 19:36 160m - / -19 LA6YEA 0 / - 2 ✓ Closing fragment
08-17 18:52 160m - / - YU1LD -15 / - 4 Partial capture
08-15 19:11 160m - / -19 UT5ZC +11 / - 3 ✓ Closing fragment
08-13 19:28 160m - / -18 OH5LF +6 / - 10 ✓ Closing fragment
08-13 19:28 160m - / -22 R5BS 0 / - 2 ✓ Closing fragment
08-13 19:14 160m - / -14 RU3GF -2 / - 4 ✓ Closing fragment
08-13 19:01 160m - / -18 YL3CW 0 / - 2 ✓ Closing fragment
08-09 19:17 160m - / -20 OH1JP +6 / - 2 ✓ Closing fragment
08-02 19:17 160m - / -22 OH5LF +4 / - 3 Partial capture
08-02 19:13 160m - / - UT4WT +7 / - 5 Partial capture
08-02 19:08 160m -21 / -14 UA3PY -3 / - 4 ✓ Closing observed
08-02 19:01 160m - / - UT4WT +3 / - 10 Partial capture
08-02 18:51 160m - / -10 UT6HN +12 / - 3 ✓ Closing fragment
08-02 18:49 160m -22 / -11 RD7O -2 / - 7 ✓ Closing observed
08-02 18:49 160m -22 / -16 R6ML -5 / -16 9 ✓ Full exchange observed
08-02 18:49 160m - / -23 R9SAP -13 / - 3 ✓ Closing fragment
08-02 18:48 160m - / -6 R7LB -6 / - 2 ✓ Closing fragment
07-24 18:53 160m - / -19 RN3RFZ -18 / - 2 ✓ Closing fragment
07-21 19:15 160m - / -13 RA1AGX -12 / - 3 ✓ Closing fragment
07-21 19:13 160m - / - OH1JP -9 / - 6 Partial capture
07-21 19:10 160m - / - OH1JP -12 / - 2 Partial capture
07-21 19:04 160m - / -20 R6ML -9 / - 3 ✓ Closing fragment
07-07 19:02 160m - / -17 UA3ZUX +2 / - 2 ✓ Closing fragment
07-07 18:58 160m - / -20 R5ZJ +2 / - 2 ✓ Closing fragment
06-27 18:36 160m - / - RK3QA -12 / - 2 Partial capture
06-23 19:01 160m - / +2 RA4AAT -13 / - 3 Partial capture
06-12 18:55 160m - / - LZ2HN +5 / - 2 Partial capture
06-11 19:03 160m - / -15 RK4FD -3 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

160m 
UTC    dB Audio  Message
193500  +2 1162  JA7EVP UX5UO KO50 (x11)
191545  -7 2494  JA7EVP OH7GGX R-14 (x2)
194315 -17 1813  JA7EVP UD8S R-20 (x2)

Decoder S/N history by band

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