F4DHL — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: France Locator transmitted in a decoded message: IN98

Receiver-side FT8 activity involving F4DHL, decoded by SO8OO in southeastern Poland. 174 related FT8 messages, 57 CQ messages, observed on 40m, 20m, 10m, across 16 UTC dates. Heard between 2026-07-19 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

174
Related messages
57
CQ messages
16
UTC dates heard
-12 dB
Mean decoder S/N

Bands

First seen: 2026-07-19
Last seen: 2026-08-22 14:59 UTC

Activity Heatmap

Locator transmitted by F4DHL

Approximate centre of IN98, decoded 2026-08-22 16:55 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 UTCBandF4DHL S/NCounterpartCounterpart S/NMsgsCapture
08-22 16:55 20m 0 / - DL1R +11 / -3 13 Partial capture
08-22 16:52 20m -7 / - BU2FW - / -13 5 ✓ Closing fragment
08-22 16:49 20m -20 / - 4S6YRW - / -16 4 Partial capture
08-15 16:27 20m -15 / - SA0FRD - / -4 4 Partial capture
08-15 16:25 20m -14 / - DG1WP - / -13 4 Partial capture
08-15 16:21 20m -14 / - DH2RL - / +3 2 Partial capture
08-15 16:18 20m -18 / - BU2FW - / - 2 Partial capture
08-12 10:00 20m - / - IK4LZH -2 / - 3 Partial capture
08-12 09:57 20m - / - OZ3AAF -22 / - 2 Partial capture
08-11 17:06 20m - / - F5IXN -18 / - 3 Partial capture
08-11 16:01 20m - / -4 PE9JAN -10 / - 2 ✓ Closing fragment
08-07 16:15 20m - / - DL2JB -3 / - 3 Partial capture
08-07 16:15 20m - / - IK4LZH -6 / - 2 Partial capture
08-07 16:11 20m - / +1 F4HSB -18 / - 2 ✓ Closing fragment
08-07 16:10 20m - / - PD0PWH -14 / - 4 Partial capture
08-06 16:46 20m -13 / - OZ5THY - / -6 2 Partial capture
08-06 16:41 20m -23 / -1 PA7ZZ -8 / -6 4 ✓ Full exchange observed
08-06 16:38 20m - / - CS8ABF -13 / - 2 ✓ Closing fragment
08-06 16:38 20m - / - DL1UDO -16 / - 2 Partial capture
08-06 16:38 20m - / -8 R3KF -14 / - 2 Partial capture
08-06 16:34 20m -16 / - TF3PPN - / -23 2 Partial capture
08-06 16:31 20m -16 / - UT4QM - / -25 5 Partial capture
08-06 16:27 20m -6 / - SV2AJX - / -25 3 Partial capture
08-06 16:26 20m -8 / - DL6UM - / -25 2 Partial capture
08-06 16:24 20m -11 / - OE9GWV - / -12 2 Partial capture
08-06 16:21 20m -5 / - OZ5THY - / -10 3 Partial capture
08-06 16:16 20m -18 / - DF6WE -9 / - 5 Partial capture
08-06 16:13 20m -20 / - I4WQH -20 / +1 4 ✓ Closing observed
08-06 16:11 20m -19 / - PD4RJ - / - 2 Partial capture
08-04 14:31 20m -16 / -14 RX3ASQ -18 / - 3 Partial capture
08-04 14:26 20m - / - DL5KBT -12 / - 2 Partial capture
08-04 14:25 20m -13 / - IK8NSR -19 / -11 3 ✓ Closing observed
08-04 14:22 20m -16 / - RN6MA -7 / - 3 ✓ Closing observed
08-04 14:21 20m -16 / -2 IW2DNI -11 / -5 3 Partial capture
08-03 13:54 10m - / -16 SV1EKI -12 / - 2 Partial capture
07-29 16:43 20m -19 / - 7Z1BM - / -7 2 ✓ Closing fragment
07-29 16:42 20m - / +10 MW7RHR -22 / - 2 Partial capture
07-29 16:33 20m - / - DJ5YS -13 / - 3 Partial capture
07-28 16:41 20m - / -14 SV8NAJ -22 / - 2 Partial capture
07-28 16:39 20m -22 / - SP9DAT - / -7 2 Partial capture
07-28 16:36 20m -15 / +6 E70SZ -12 / -1 4 ✓ Full exchange observed
07-28 16:31 20m -14 / - DJ1TU - / +2 2 Partial capture
07-28 16:31 20m -17 / -16 IS0KNG -17 / - 3 ✓ Closing observed
07-28 16:22 20m -12 / - HF5A - / +7 3 Partial capture
07-28 16:20 20m - / -10 RN6MA +2 / - 3 Partial capture
07-27 17:26 20m - / -14 R4FDW -11 / - 4 Partial capture
07-27 17:21 20m -16 / - YO9PH - / -8 2 ✓ Closing fragment
07-27 17:19 20m -14 / -19 R4HEA -8 / - 3 ✓ Closing observed
07-27 17:13 20m -15 / - ON8PIE - / -5 3 ✓ Closing fragment
07-26 10:16 20m -15 / - EA1IOK - / -12 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
165500  -5 1977  CQ F4DHL IN98
165515 +11 2656  F4DHL DL1R JN58
165515  -4 1977  F4DHL EB3JT JN01
165530  -4 1977  DL1R F4DHL -03
165545  +9 2656  F4DHL DL1R JN58
165600  +0 1977  DL1R F4DHL -05
165615 +10 2655  F4DHL DL1R JN58 (x2)
165700  +1 1994  DL1R F4DHL +05
165715 +15 2656  F4DHL DL1R JN58
165730  +4 1994  DL1R F4DHL +05
165745 +15 2656  F4DHL DL1R JN58 (x4)
10m
UTC    dB Audio  Message
142315 -23 1697  PY4PTO F4DHL IN98
144715 -24 1635  IU2UEH F4DHL +16
135400 -12 2570  F4DHL SV1EKI KM18 (x2)
40m
UTC    dB Audio  Message
170630 -21 1424  F4DHL <...> -13

Decoder S/N history by band

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