N4ZSA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving N4ZSA, decoded by SO8OO in southeastern Poland. 309 related FT8 messages, 13 CQ messages, observed on 80m, 40m, 20m, 10m, across 36 UTC dates. Heard between 2026-05-31 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

309
Related messages
13
CQ messages
36
UTC dates heard
-8 dB
Mean decoder S/N

Bands

First seen: 2026-05-31
Last seen: 2026-08-23 16:18 UTC

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 UTCBandN4ZSA S/NCounterpartCounterpart S/NMsgsCapture
08-23 18:05 20m - / - M8KKH +4 / - 2 Partial capture
08-16 04:27 40m - / -14 IU5LQC -16 / - 2 Partial capture
08-15 04:38 80m - / - DG5PW -15 / - 4 Partial capture
08-15 04:23 80m - / -18 DK7ZT +8 / - 5 Partial capture
08-14 22:48 20m - / - DH2RL -16 / - 4 Partial capture
08-14 21:54 20m - / -15 IK5FCH -14 / - 2 Partial capture
08-14 21:28 20m - / - EA3GXK -13 / - 8 Partial capture
08-11 20:13 20m - / - SV5BYP -7 / - 4 ✓ Closing fragment
08-11 20:02 20m - / -11 HB9RBS +1 / - 2 Partial capture
08-11 18:32 20m - / -19 RU3SD -12 / - 2 Partial capture
08-07 22:54 20m - / - HB9EXE -12 / - 3 Partial capture
08-07 22:54 20m - / - HB9SZV -10 / - 3 Partial capture
08-07 22:13 20m - / -13 DL6FR -10 / - 3 ✓ Closing fragment
08-07 16:37 20m - / - DF3IS -7 / - 3 Partial capture
08-06 19:37 20m - / - PD1ADA -21 / - 2 Partial capture
08-05 20:46 20m - / - DL1RAZ -1 / - 2 Partial capture
08-05 19:36 20m - / - EA3HMM -3 / - 3 Partial capture
08-04 22:05 20m - / -25 IK4LZH -8 / - 4 Partial capture
08-03 21:06 20m - / -10 IW3RQT -7 / - 3 ✓ Closing fragment
08-01 21:16 20m - / - HB9CEY +2 / - 3 Partial capture
08-01 21:01 20m - / -2 PI4DX -1 / - 3 ✓ Closing fragment
08-01 00:32 40m - / -17 IU0UZB -15 / - 6 ✓ Closing fragment
08-01 00:28 40m - / - F1IQH -11 / - 3 Partial capture
08-01 00:22 40m - / - OH1EDK -4 / - 4 Partial capture
08-01 00:22 40m - / -23 PD0IFI -1 / - 5 ✓ Closing fragment
08-01 00:19 40m - / -24 PC2J -7 / - 4 ✓ Closing fragment
07-30 23:57 40m - / -24 G5TV -17 / - 2 ✓ Closing fragment
07-30 23:47 40m - / -20 DJ9BX -4 / - 4 ✓ Closing fragment
07-30 23:23 40m - / +4 OK1WCF -16 / - 3 ✓ Closing fragment
07-29 23:28 20m - / -14 EB5DFU -6 / - 3 Partial capture
07-28 20:54 20m - / - F5SZY -16 / - 2 Partial capture
07-28 19:18 20m - / - EA1RAY -4 / - 2 Partial capture
07-25 21:06 20m - / - F4NGR -12 / - 2 Partial capture
07-25 20:36 20m - / - DG5PW -12 / - 2 Partial capture
07-25 20:36 20m - / - F4MQR -17 / - 2 Partial capture
07-25 02:11 40m - / -11 IK1QLD -1 / - 4 Partial capture
07-25 01:11 40m - / - SP1BSJ -10 / - 2 Partial capture
07-25 01:06 40m - / - F1IQH -8 / - 2 Partial capture
07-22 10:45 20m - / - PD2WL -24 / - 2 Partial capture
07-19 03:59 80m - / -16 HB9CXZ +3 / - 9 Partial capture
07-19 03:59 80m - / - EA3DIX -18 / - 2 Partial capture
07-19 03:41 20m - / - UA3PAB -7 / - 4 Partial capture
07-19 03:29 20m - / - R7DX -11 / - 2 ✓ Closing fragment
07-11 21:41 20m - / - IK4LZH -2 / - 3 Partial capture
07-11 20:28 20m - / - PI4DX -14 / - 2 Partial capture
07-02 02:31 80m - / - HB9CXZ -17 / - 3 Partial capture
06-27 01:21 20m - / - R3KCW -13 / - 2 Partial capture
06-27 00:45 40m - / -19 F5RRS -17 / - 2 ✓ Closing fragment
06-27 00:19 40m - / -20 RW3QU +5 / - 2 Partial capture
06-27 00:14 40m - / -12 F1PBZ -12 / - 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
213015 -15 1207  N4ZSA EA3GXK IM98 (x4)
215415 -14 1016  N4ZSA IK5FCH JN53 (x2)
215715 -11 2660  N4ZSA HB9SZV JN47
224830 -14 2082  N4ZSA DH2RL JN68 (x4)
180500  +4 2155  N4ZSA M8KKH JO01 (x2)
181500  -4  753  N4ZSA LA9BM JP40
181830  -3  753  N4ZSA IW2HWN JN45
40m
UTC    dB Audio  Message
002445  -2 2946  N4ZSA OH1EDK KP01
002545  -4  617  N4ZSA PD0IFI R-23 (x2)
002845 -11  788  N4ZSA F1IQH JN27 (x3)
003200 -17 2256  N4ZSA IU0UZB JN61 (x6)
042045 -24 1874  N4ZSA IU5LQC JN53 (x3)
80m
UTC    dB Audio  Message
040145  +2 2468  N4ZSA HB9CXZ JN46 (x6)
042345  +6  935  N4ZSA DK7ZT -18 (x5)
043845 -12  937  N4ZSA DG5PW JO30 (x4)
10m
UTC    dB Audio  Message
201130 -17 1375  N4ZSA PU2XEE RR73

Decoder S/N history by band

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