N4DB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: FM07

Receiver-side FT8 activity involving N4DB, decoded by SO8OO in southeastern Poland. 81 related FT8 messages, 2 CQ messages, observed on 80m, 40m, 20m, across 12 UTC dates. Heard between 2026-05-29 and 2026-08-19.

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

81
Related messages
2
CQ messages
12
UTC dates heard
-4 dB
Mean decoder S/N

Bands

80m 40m 20m
First seen: 2026-05-29
Last seen: 2026-08-19 21:49 UTC

Frequent QSO partners observed at SO8OO

Stations N4DB worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by N4DB

Approximate centre of FM07, decoded 2026-08-20 00:05 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 UTCBandN4DB S/NCounterpartCounterpart S/NMsgsCapture
08-20 00:01 80m -20 / - LU9GDN - / - 7 Partial capture
08-19 23:44 80m - / -14 DO1ID +3 / - 5 ✓ Closing fragment
08-19 23:44 80m - / - EA5OB -23 / - 10 Partial capture
08-19 23:44 80m - / -18 SP6JIU +23 / - 2 ✓ Closing fragment
08-07 23:23 40m - / -14 YO6LM -22 / - 2 Partial capture
08-07 23:21 40m - / -11 9K2GR -20 / - 2 ✓ Closing fragment
08-07 00:01 40m - / -19 R2EA -11 / - 2 Partial capture
08-06 00:43 80m - / - SQ9DDY +19 / - 4 Partial capture
08-06 00:42 80m -20 / -8 SV8JE +4 / -11 6 ✓ Full exchange observed
08-06 00:41 80m -20 / - DO9BAU - / - 3 Partial capture
08-06 00:38 80m - / - YL3AVN +14 / - 2 Partial capture
08-06 00:37 80m -18 / - K5VJZ - / -2 2 ✓ Closing fragment
08-06 00:34 80m - / - CT2GQA -17 / - 4 Partial capture
08-06 00:34 80m - / - G4UZG -2 / - 2 Partial capture
08-06 00:31 80m -18 / +10 K1ZZ -9 / 0 5 ✓ Full exchange observed
08-06 00:26 80m -12 / - PT2ND - / -14 3 ✓ Closing fragment
08-01 00:24 80m - / - OE1TKS +7 / - 2 Partial capture
08-01 00:22 80m -10 / -12 UA4FKT +13 / - 7 ✓ Closing observed
08-01 00:20 80m - / - RC2DD +11 / - 2 Partial capture
08-01 00:15 80m -16 / - EC5M -11 / - 2 ✓ Closing observed
07-30 23:10 40m - / -14 G5TV -18 / - 4 ✓ Closing fragment
07-21 22:32 40m - / -13 OE8DDX -6 / - 3 Partial capture
06-21 21:56 20m - / -13 GE6KUI 0 / - 2 Partial capture
06-21 00:22 20m - / -12 7Z1DR -4 / - 2 ✓ Closing fragment
06-21 00:19 20m -12 / - UW8SM - / -11 2 ✓ Closing fragment
06-21 00:17 20m -10 / - IK4TVP - / +2 3 ✓ Closing fragment
06-21 00:14 20m -11 / - A61CK - / - 2 ✓ Closing fragment
06-21 00:12 20m -11 / - A92AE - / - 4 Partial capture
06-21 00:10 20m -8 / - PY5BH - / -7 3 ✓ Closing fragment
06-07 00:19 40m -11 / -3 Z62NS +9 / -25 10 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
234600 -24  919  N4DB EA5OB IM99
234630  +6  381  N4DB DO1ID 73
234630 -20  919  N4DB EA5OB IM99 (x6)
000145 -20 1050  LU9GDN N4DB FM07 (x7)
40m 
UTC    dB Audio  Message
223215  -8  648  N4DB OE8DDX -13 (x3)
223730 -15 1610  N4DB IU5AWQ RR73
231030 -16 1387  N4DB G5TV IO93 (x4)
231245 -14  928  N4DB SV9QWC -19
000145 -10 1029  N4DB R2EA -19 (x2)
232130 -19 2111  N4DB 9K2GR -11 (x2)
232330 -20 2157  N4DB YO6LM -14 (x2)
20m 
UTC    dB Audio  Message
001315 -10 1028  A92AE N4DB FM07 (x2)
001430 -13 1029  A61CK N4DB FM07 (x2)
001700 -11  991  RW0SR N4DB RR73
001730  -9  991  IK4TVP N4DB R+02 (x3)
001900 -13  992  UW8SM N4DB -11 (x2)
002130 -15 1168  OM0RX N4DB +00
002245  -5  603  N4DB 7Z1DR -12 (x2)
215615  -2 2578  N4DB GE6KUI -13 (x2)

Decoder S/N history by band

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