HA7JDU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Hungary Locator transmitted in a decoded message: JN87

Receiver-side FT8 activity involving HA7JDU, decoded by SO8OO in southeastern Poland. 228 related FT8 messages, 35 CQ messages, observed on 80m, 40m, 20m, 10m, across 17 UTC dates. Heard between 2026-06-01 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

228
Related messages
35
CQ messages
17
UTC dates heard
-8 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-06-01
Last seen: 2026-08-23 00:43 UTC

Frequent QSO partners observed at SO8OO

Stations HA7JDU worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by HA7JDU

Approximate centre of JN87, decoded 2026-08-23 02:43 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 UTCBandHA7JDU S/NCounterpartCounterpart S/NMsgsCapture
08-23 01:53 20m - / -3 5Z4VJ -12 / - 5 ✓ Closing fragment
08-23 01:40 20m - / - WA0DYJ 0 / - 3 ✓ Closing fragment
08-23 01:40 20m - / 0 K9KU -7 / - 3 ✓ Closing fragment
08-23 01:26 20m - / +1 DL1VCA -1 / - 3 ✓ Closing fragment
08-21 15:42 10m - / +6 DN9DKN -10 / - 2 ✓ Closing fragment
08-21 15:31 10m - / - IK1RQX -3 / - 4 Partial capture
08-21 15:30 10m - / +1 PA3AGN -10 / - 3 ✓ Closing fragment
08-21 15:24 10m - / - DN9BT -6 / - 2 Partial capture
08-21 15:21 10m - / 0 PD1GOL -14 / - 2 Partial capture
08-21 15:16 10m - / - DN9SHA -7 / - 5 ✓ Closing fragment
08-21 14:05 10m - / +10 DF7EE 0 / - 3 Partial capture
08-21 13:39 10m - / - PE9JAN -12 / - 3 ✓ Closing fragment
08-21 09:24 10m - / 0 DL1JH -16 / - 2 ✓ Closing fragment
08-21 04:40 20m - / -3 ZL1OGX -8 / - 2 ✓ Closing fragment
08-21 03:28 20m - / - IU0OYV -13 / - 2 Partial capture
08-20 06:36 20m - / - IU2THY -9 / - 3 Partial capture
08-20 04:06 20m - / -9 ZL4TT +4 / - 2 ✓ Closing fragment
08-20 03:57 20m - / -8 HK3YL -14 / - 2 ✓ Closing fragment
08-20 00:35 80m -2 / +1 DL9KM +2 / -5 6 ✓ Full exchange observed
08-20 00:34 80m +4 / -4 M9XZY +2 / -6 5 ✓ Full exchange observed
08-20 00:32 80m +4 / -6 <...> -4 / -6 2 Partial capture
08-20 00:32 80m - / - CT2HEX -15 / - 3 Partial capture
08-20 00:04 40m - / +1 EA5HM -2 / - 2 Partial capture
08-19 23:51 40m - / - ON4MAP -10 / - 5 Partial capture
08-19 23:39 40m -20 / +2 PV8AJ -16 / -11 3 ✓ Full exchange observed
08-19 23:36 40m - / -9 N1TQP -8 / - 2 ✓ Closing fragment
08-19 12:46 40m - / - HA7KLA -24 / - 2 ✓ Closing fragment
08-13 01:36 80m +14 / -15 S55X +6 / +7 5 ✓ Full exchange observed
08-13 01:31 80m +14 / -2 EW8CW +12 / 0 6 ✓ Full exchange observed
08-13 01:30 80m +16 / - IK2TPX - / -11 2 ✓ Closing fragment
08-13 01:30 80m +15 / - DK1MCS +5 / +1 3 Partial capture
08-11 23:37 40m -4 / - NG2O - / -23 3 ✓ Closing fragment
08-11 23:34 40m -4 / - YE4FNN - / - 2 ✓ Closing fragment
08-11 23:30 40m -7 / - KC1GN - / -5 3 ✓ Closing fragment
08-11 23:26 40m -6 / - K1NOX - / -11 4 ✓ Closing fragment
08-11 23:17 40m -4 / - N4XYZ - / -15 6 ✓ Closing fragment
08-11 23:06 40m -3 / - PV8AJ - / - 7 ✓ Closing fragment
08-11 23:04 40m -1 / - YC2BUZ - / -22 2 Partial capture
08-11 23:01 40m -3 / - G8GRG - / -20 3 ✓ Closing fragment
08-11 22:58 40m -4 / - W1KOK - / - 3 ✓ Closing fragment
08-11 22:41 40m -8 / - KZ2N - / -15 5 ✓ Closing fragment
08-11 22:39 40m -8 / - EA7HXH - / -16 2 ✓ Closing fragment
08-11 22:36 40m -6 / - ON1DGN - / -9 2 ✓ Closing fragment
08-11 22:34 40m -6 / - F4ACR - / +5 2 ✓ Closing fragment
08-11 22:29 40m -2 / - KB1MGI - / - 3 Partial capture
08-11 22:27 40m -4 / - K1VMT - / -20 3 ✓ Closing fragment
08-11 22:27 40m -4 / 0 9A3AUH -10 / -1 8 ✓ Full exchange observed
08-11 22:24 40m -4 / - D2UY - / -14 4 ✓ Closing fragment
08-11 22:18 40m -9 / - NR1R - / -8 5 ✓ Closing fragment
08-11 22:16 40m -12 / - RX9ABI - / -9 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
012630  -3 2298  HA7JDU DL1VCA R+01 (x2)
012745 -20 1816  VE3NVK HA7JDU RR73
014015  -5 1457  HA7JDU K9KU EN65
014045  -2 1678  HA7JDU WA0DYJ FM18
014045  -8 1457  HA7JDU K9KU R+00
014115  +0 1679  HA7JDU WA0DYJ FM18
014115  -7 1457  HA7JDU K9KU 73
014215  +1 1451  HA7JDU WA0DYJ 73
015300 -11  970  HA7JDU 5Z4VJ KI88 (x5)
024300 -18 1716  CQ HA7JDU JN87
10m 
UTC    dB Audio  Message
151800  -5 1005  HA7JDU DN9SHA 73
152130 -16 2232  HA7JDU PD1GOL JO21 (x2)
152445  -7 2030  HA7JDU DN9BT JO40 (x2)
152545  -7 1689  HA7JDU PD1RMB R+15
153015  -7 1189  HA7JDU PA3AGN JO22 (x3)
153115  +2 2108  HA7JDU IK1RQX JN44 (x4)
154215 -11  657  HA7JDU DN9DKN R+06 (x2)
80m 
UTC    dB Audio  Message
003245  -4 1561  HA7JDU <...> -06
003300  +4 1563  <...> HA7JDU R-06
003315 -13  767  HA7JDU CT2HEX IM58 (x2)
003400  +6 1563  M9XZY HA7JDU JN87
003415  +3  592  HA7JDU M9XZY -04
003430  +6 1563  M9XZY HA7JDU R-06
003445  +0  592  HA7JDU M9XZY RRR
003500  +1 1563  M9XZY HA7JDU 73
003515  +1 1284  HA7JDU DL9KM JN68 (x2)
003600  +1 1563  DL9KM HA7JDU -05
003615  +6 1284  HA7JDU DL9KM R+01
003630  -4 1563  DL9KM HA7JDU RR73
003645  -3 1285  HA7JDU DL9KM 73
40m 
UTC    dB Audio  Message
233945 -21 1670  PV8AJ HA7JDU R-11 (x2)
234045 -20 1670  KC4DPT HA7JDU JN87
234215 -20 1670  KB4DFK HA7JDU JN87
234530 -20 1568  AF3G HA7JDU JN87
234900 -24 1567  K2RKJ HA7JDU JN87
235145 -11 1386  HA7JDU ON4MAP JO20 (x5)
000430 -18 1600  HA7JDU M0TZO JO01
000430  -2  939  HA7JDU EA5HM IM99
000500 -19 1598  HA7JDU 9Z4CT FK90
000500  -1  939  HA7JDU EA5HM R+01

Decoder S/N history by band

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