F4HDR — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: France Locator transmitted in a decoded message: JO10

Receiver-side FT8 activity involving F4HDR, decoded by SO8OO in southeastern Poland. 1,297 related FT8 messages, 832 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 38 UTC dates. Heard between 2026-05-20 and 2026-08-16.

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

1,297
Related messages
832
CQ messages
38
UTC dates heard
-6 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 10m 160m
First seen: 2026-05-20
Last seen: 2026-08-16 22:40 UTC

Frequent QSO partners observed at SO8OO

Stations F4HDR worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by F4HDR

Approximate centre of JO10, decoded 2026-08-22 07:26 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 UTCBandF4HDR S/NCounterpartCounterpart S/NMsgsCapture
08-22 07:24 20m +2 / - UF4S/P - / - 4 Partial capture
08-21 21:52 40m -14 / - UN7PPV - / -13 2 Partial capture
08-21 21:31 80m -4 / - TF3VS - / - 2 Partial capture
08-21 19:04 160m -16 / - RW4HD - / - 3 Partial capture
08-17 00:39 80m - / -12 R9CS/P -5 / - 2 ✓ Closing fragment
08-15 19:46 40m -17 / - DL50SOL - / - 2 Partial capture
08-15 19:36 40m -4 / - RW3C/P - / - 2 Partial capture
08-15 19:27 80m -2 / - <...> - / -7 2 Partial capture
08-15 19:26 80m - / -11 R8CW/4 -4 / - 2 Partial capture
08-15 19:22 80m +2 / +7 DK0RA/LH -3 / +5 8 Partial capture
08-15 19:19 80m -1 / - <...> - / - 5 Partial capture
08-15 19:17 20m +12 / - <...> - / -11 2 Partial capture
08-15 19:08 20m +13 / - ZB2LGT - / - 13 Partial capture
08-15 19:06 20m -8 / - RW3C/P - / - 2 Partial capture
08-15 18:56 20m +1 / - ZB2LGT - / - 3 Partial capture
08-15 16:11 20m -10 / - TC6L - / - 5 Partial capture
08-15 08:47 20m -1 / - R6DOB/7 - / -9 3 Partial capture
08-15 08:09 20m -6 / - TC2FNR - / - 2 Partial capture
08-14 22:01 80m -2 / -6 RO2X +12 / - 7 Partial capture
08-14 22:00 80m -10 / - TF3VS - / - 2 Partial capture
08-14 21:57 80m -1 / +7 TM0BSM -16 / -7 5 ✓ Full exchange observed
08-13 22:14 40m -7 / - SP6VXO - / -11 2 ✓ Closing fragment
08-13 22:11 40m -8 / - G0AKF - / -15 3 ✓ Closing fragment
08-13 22:06 40m -9 / -23 RZ6AKF -4 / -3 4 ✓ Full exchange observed
08-13 21:42 40m - / -2 SM1NFH -15 / - 2 ✓ Closing fragment
08-09 16:52 20m -6 / - <...> - / - 3 Partial capture
08-09 16:38 20m -5 / - <...> - / - 17 Partial capture
08-09 16:28 20m -6 / - OX3LX - / - 9 Partial capture
08-09 10:42 20m -7 / - DG1YOW - / -15 2 Partial capture
08-09 10:39 20m -9 / - DG1YOW - / -15 2 Partial capture
08-09 10:30 20m - / - DJ2MS -19 / - 3 Partial capture
08-09 10:17 20m - / 0 F1PBZ -14 / - 2 ✓ Closing fragment
08-09 10:12 20m -5 / - DK3HV -1 / - 2 ✓ Closing observed
08-08 21:52 160m -9 / -10 R2HB -6 / -3 8 ✓ Full exchange observed
08-08 21:48 80m +3 / - R50RKZ - / -10 2 Partial capture
08-08 21:47 80m -1 / -16 RK7D +8 / -18 5 Partial capture
08-08 21:45 80m -6 / -6 RN2F +8 / -13 5 ✓ Full exchange observed
08-08 21:44 80m -6 / - R3HH - / - 2 Partial capture
08-08 21:42 80m -3 / -3 CR5VP -16 / -9 5 ✓ Full exchange observed
08-08 21:41 80m -2 / - <...> - / -13 2 Partial capture
08-04 12:34 20m - / -19 UT7UJ -12 / - 2 ✓ Closing fragment
08-04 12:26 20m -4 / - IU2THY - / -12 2 Partial capture
08-02 21:01 160m -4 / - 5Z4AB - / -16 19 Partial capture
08-02 20:57 80m 0 / -17 <...> -8 / - 3 Partial capture
08-02 20:12 20m +7 / 0 RA3ICA/P -1 / - 4 Partial capture
08-02 20:10 20m +11 / - 3A2MW - / -16 3 ✓ Closing fragment
08-02 20:03 20m +10 / - RA3ICA/P - / - 13 Partial capture
08-02 20:02 20m +5 / - Z61DX - / - 2 Partial capture
08-02 19:59 60m -7 / - EA1FMJ - / - 2 Partial capture
08-02 19:58 60m -8 / - <...> - / -3 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
191115 +21 2997  ZB2LGT F4HDR JO10 (x8)
191700 +16 2997  <...> F4HDR JO10 (x2)
073300 +16 2944  VK6BAD F4HDR JO10
072445  +9 2816  UF4S/P F4HDR JO10 (x4)
40m 
UTC    dB Audio  Message
221800  -7 2717  CQ F4HDR JO10 (x6)
193245  -7  548  EA1BQD F4HDR JO10 (x2)
193615  -3 2939  RW3C/P F4HDR JO10 (x2)
194615 -18 1142  DL50SOL F4HDR JO10 (x2)
200345 -14 1028  V55LH F4HDR R-20
215215 -13 2324  UN7PPV F4HDR R-13 (x2)
80m 
UTC    dB Audio  Message
192330  +0 2653  DK0RA/LH F4HDR R+05 (x5)
192615  -2 2241  F4HDR R8CW/4 -11 (x2)
192730  -1 2708  <...> F4HDR R-07 (x2)
003930  -7 2344  F4HDR R9CS/P -12 (x2)
004415 -15 1217  UT5ZC F4HDR JO10
212900  -7 1115  TF3VS F4HDR JO10 (x3)
160m 
UTC    dB Audio  Message
210915  +0 2530  5Z4AB F4HDR -16 (x4)
215200 -10 1040  R2HB F4HDR JO10 (x2)
215245  -5 1979  F4HDR R2HB -10
215300 -10 1039  R2HB F4HDR R-03
215315  -5 1979  F4HDR R2HB RR73
215330  -6 1040  R2HB F4HDR 73
215415  -8 1979  F4HDR R2HB KO85 (x2)
190445 -16 1139  RW4HD F4HDR JO10 (x3)
10m 
UTC    dB Audio  Message
174915  +2 2977  RA6OY F4HDR -11 (x6)
180845  -1 2977  CQ F4HDR JO10 (x2)
180945  -5 2977  EA3FR F4HDR R-06
182730 -24 1823  F4HDR EB3BKW RR73
202830 -14  860  <...> F4HDR JO10 (x2)
090645  -9 3007  T77RN F4HDR JO10 (x3)
60m 
UTC    dB Audio  Message
210730  -7 1477  F4HDR DK1CE 73
210745  -6 2513  CQ F4HDR JO10 (x3)
210915  -6 2513  M0IXY F4HDR -10 (x2)
211015  -6 2514  CQ F4HDR JO10
195500  -3 1199  IK3/UY7LA F4HDR JO10
195515  -1 2212  F4HDR TM21TFR +17
195530  -4 1199  IK3/UY7LA F4HDR R+15
195815  -8 1349  <...> F4HDR JO10 (x2)
195945  -7 1349  EA1FMJ F4HDR JO10 (x2)
000330 +10 1022  HK8EJZ F4HDR JO10

Decoder S/N history by band

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