JJ1JMZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JJ1JMZ, decoded by SO8OO in southeastern Poland. 96 related FT8 messages, observed on 20m, 10m, across 24 UTC dates. Heard between 2026-05-28 and 2026-08-24.

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

96
Related messages
0
CQ messages
24
UTC dates heard
-8 dB
Mean decoder S/N

Bands

20m 10m
First seen: 2026-05-28
Last seen: 2026-08-24 05:42 UTC

Frequent QSO partners observed at SO8OO

Stations JJ1JMZ 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 UTCBandJJ1JMZ S/NCounterpartCounterpart S/NMsgsCapture
08-24 07:40 20m - / -24 OH4MDY -20 / - 3 ✓ Closing fragment
08-15 08:07 20m - / -19 R50RKZ -6 / - 2 ✓ Closing fragment
08-09 21:25 20m - / -19 IN3VVK +8 / - 2 ✓ Closing fragment
08-09 11:22 20m - / -8 UA3PAB -14 / - 2 Partial capture
08-09 11:12 20m - / -15 RM8W -22 / - 2 ✓ Closing fragment
08-06 21:32 20m - / -9 7X5CY +1 / - 2 ✓ Closing fragment
08-06 13:42 20m - / -13 RK4UZ -12 / - 2 ✓ Closing fragment
08-06 13:31 20m - / - RN1QG -14 / - 2 Partial capture
08-06 13:12 20m - / -11 UA3SNB -14 / - 2 Partial capture
08-06 12:23 20m - / -4 SA3SHN -18 / - 2 ✓ Closing fragment
07-31 22:19 20m - / - F4IBJ -4 / - 2 Partial capture
07-31 22:11 20m - / - F4IBJ -5 / - 4 Partial capture
07-19 12:57 20m - / -20 R5AV -12 / - 2 Partial capture
07-18 22:58 20m - / -11 F8ATM -12 / - 2 ✓ Closing fragment
07-18 00:38 20m - / -14 YB5QZ -18 / - 2 ✓ Closing fragment
07-16 20:54 20m - / -23 EA2EWL -14 / - 2 ✓ Closing fragment
07-12 22:12 20m - / -16 A61DD -15 / - 2 Partial capture
07-12 09:23 20m - / -11 R3KGN -22 / - 2 ✓ Closing fragment
06-27 22:06 20m - / -24 F4GHN +2 / - 4 ✓ Closing fragment
06-14 21:51 20m - / - HB9JNM -11 / - 2 Partial capture
06-14 21:44 20m - / - IZ8QXY -2 / - 2 Partial capture
06-14 21:42 20m - / -12 HA1ECP -10 / - 2 ✓ Closing fragment
06-14 21:12 20m - / -14 OE3UKW +16 / - 3 ✓ Closing fragment
06-14 21:11 20m - / -15 E79KO -4 / - 2 Partial capture
06-07 23:34 20m - / -18 UN7EAX 0 / - 3 ✓ Closing fragment
06-07 21:34 20m -21 / -15 TA4INO +7 / -12 2 Partial capture
06-07 10:14 10m - / -18 5H1KB +8 / - 2 ✓ Closing fragment
06-04 12:11 10m - / -15 7Q7CT -6 / - 2 ✓ Closing fragment
06-03 11:04 10m - / -16 8Q7PR -22 / - 2 ✓ Closing fragment
05-31 21:16 20m -19 / -11 A61CK -6 / - 3 ✓ Closing observed
05-30 15:02 20m - / -19 A92AE -8 / - 2 ✓ Closing fragment
05-28 21:46 20m -12 / - A92AE - / - 2 Partial capture
05-28 21:23 20m - / - 9H4JX 0 / - 2 ✓ Closing fragment
05-28 21:18 20m -15 / -20 9H4JX -2 / -16 7 Partial capture
05-28 12:03 10m - / -8 7Q3AM -18 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
111230 -22 2162  JJ1JMZ RM8W -15 (x2)
111430 -14 1180  JJ1JMZ RA3P -06
111430 -10 1420  JJ1JMZ DK3BK -18
111700 -10 1180  JJ1JMZ RA3P RR73
112200 -15 1576  JJ1JMZ UA3PAB -08 (x2)
212545  +8 2922  JJ1JMZ IN3VVK -19 (x2)
080700  -3 2181  JJ1JMZ R50RKZ -19 (x2)
221245 -16 2428  JJ1JMZ HB9IKP -15
074030 -17 1279  JJ1JMZ OH4MDY -24 (x3)
10m 
UTC    dB Audio  Message
120300 -17 1391  JJ1JMZ 7Q3AM -08 (x2)
121615 -17  909  JJ1JMZ A61CK -09
110400 -23 1656  JJ1JMZ 8Q7PR -16 (x2)
121100  -5 1317  JJ1JMZ 7Q7CT -15 (x2)
101400 +10  409  JJ1JMZ 5H1KB -18 (x2)
110600  -4  819  JJ1JMZ 9X5KM -15

Decoder S/N history by band

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