UB8FDN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO76

Receiver-side FT8 activity involving UB8FDN, decoded by SO8OO in southeastern Poland. 251 related FT8 messages, 8 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 16 UTC dates. Heard between 2026-06-11 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.

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Overview

251
Related messages
8
CQ messages
16
UTC dates heard
-5 dB
Mean decoder S/N

Bands

80m 20m 40m 10m 160m
First seen: 2026-06-11
Last seen: 2026-08-22 16:51 UTC

Frequent QSO partners observed at SO8OO

Stations UB8FDN worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by UB8FDN

Approximate centre of LO76, decoded 2026-06-12 11:09 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 UTCBandUB8FDN S/NCounterpartCounterpart S/NMsgsCapture
08-22 18:50 80m - / -7 RZ3DW +11 / - 4 Partial capture
08-22 18:46 80m - / -17 OH3NXW +12 / - 2 ✓ Closing fragment
08-22 18:43 80m - / -10 UF4S/P -5 / - 2 ✓ Closing fragment
08-19 19:39 80m -2 / -9 SP9UOP +8 / -20 4 Partial capture
08-19 19:35 80m -2 / - LY8O - / -15 2 Partial capture
08-19 19:32 80m -8 / - R2HB 0 / -11 4 ✓ Closing observed
08-19 19:31 80m -6 / - R1TET -11 / -15 4 ✓ Closing observed
08-19 19:30 80m - / -10 F4EIK -2 / - 2 ✓ Closing fragment
08-19 19:28 80m - / -13 SV3DCX +6 / - 2 ✓ Closing fragment
08-19 19:19 20m - / - F4ACR +6 / - 4 Partial capture
08-19 19:05 20m -13 / - PY7XC -10 / -17 2 ✓ Closing observed
08-19 17:28 20m - / -8 R7DX -9 / - 3 ✓ Closing fragment
08-19 16:55 80m - / 0 RA3WEO -4 / - 2 ✓ Closing fragment
08-19 16:49 80m - / -7 R6ML -1 / - 4 ✓ Closing fragment
08-11 18:47 10m - / -12 SV2CLJ -9 / - 4 Partial capture
08-11 17:47 80m - / - RA9CIN -19 / - 2 ✓ Closing fragment
08-10 19:19 80m - / - DO9BAU +4 / - 13 Partial capture
08-10 19:17 80m -20 / - R6ZEJ -9 / -20 5 ✓ Closing observed
08-10 19:01 80m - / -1 RD6OX +6 / - 2 ✓ Closing fragment
08-10 19:01 80m -23 / - RL3FA -9 / - 3 ✓ Closing observed
08-10 18:58 80m -22 / - R2UC - / -13 2 Partial capture
08-10 18:57 80m - / -6 RA6ZD -6 / - 2 ✓ Closing fragment
08-10 18:42 80m -20 / -16 S53R +15 / - 4 ✓ Closing observed
08-10 18:42 80m -21 / - R2DYC - / -15 3 Partial capture
08-10 18:39 80m -23 / - R4DD -6 / -14 3 ✓ Closing observed
08-10 18:34 80m -19 / -10 R6ZB -4 / -16 4 ✓ Full exchange observed
08-10 18:27 80m - / 0 RU9CK -18 / - 3 ✓ Closing fragment
08-10 18:18 80m -13 / -2 UA9FFV -8 / - 3 ✓ Closing observed
08-10 18:13 80m - / -10 RT6C -5 / - 3 ✓ Closing fragment
08-10 18:13 80m - / -15 SV2JAO -5 / - 17 Partial capture
08-10 18:12 80m - / -10 RN3OX -2 / - 3 ✓ Closing fragment
08-07 19:00 80m - / - HA2EOA 0 / - 3 Partial capture
08-07 19:00 80m -16 / 0 OH5KNL -4 / - 3 ✓ Closing observed
08-07 18:54 80m - / - SV3DCX +8 / - 2 Partial capture
08-07 18:53 80m - / - RQ2Q -4 / - 4 Partial capture
08-07 18:53 80m -8 / +3 RZ4M -9 / -2 5 ✓ Full exchange observed
08-07 18:51 80m -11 / -13 4X5MZ -5 / - 3 ✓ Closing observed
07-30 16:46 40m - / -9 UA3DPM -14 / - 5 ✓ Closing fragment
07-30 16:40 40m - / - UA3DPM -14 / - 2 Partial capture
07-25 19:14 80m - / -6 RC6OD +8 / - 2 ✓ Closing fragment
07-25 19:12 80m - / -11 EW7EL +12 / - 2 ✓ Closing fragment
07-25 19:10 80m - / -22 RW2Z +12 / - 3 ✓ Closing fragment
07-25 19:09 80m -10 / -7 UA9ZZ -22 / -17 3 ✓ Full exchange observed
07-25 19:08 160m - / -9 RU3DNN 0 / - 4 Partial capture
07-24 19:01 160m - / -19 RT2P -6 / - 3 Partial capture
07-24 18:28 80m - / - RV6FN -10 / - 5 Partial capture
07-24 18:26 80m -3 / +2 RU3T +6 / 0 2 Partial capture
07-24 18:24 80m - / - RU5X -8 / - 4 Partial capture
07-24 18:23 80m -2 / -13 RA6ATZ +5 / - 4 ✓ Closing observed
07-24 18:22 80m 0 / -13 R9SH -8 / -4 5 ✓ 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
193600  -4  548  LY8O UB8FDN -15
193900  -2  549  SP9UOP UB8FDN -20 (x2)
194015 +11 1148  UB8FDN SP9UOP R-09 (x2)
184330  -5 1058  UB8FDN UF4S/P R-10 (x2)
184630  -4 2497  UB8FDN UA1OJL LP04
184645 +15 2387  UB8FDN OH3NXW R-17
184715  -9  655  UB8FDN R4HHN LO43
184715 +10 2387  UB8FDN OH3NXW 73
185015 +12 2658  UB8FDN RZ3DW R-07 (x4)
20m 
UTC    dB Audio  Message
192330  -4  969  MW8OEG UB8FDN RR73
192430  -6  969  SP6FME UB8FDN RR73
110745 -20 1019  RU0LI UB8FDN -05
110945 -18 1020  CQ UB8FDN LO76
191330 -15 1074  UB8FDN G0VFB R-20
155815 -17  865  EP2AES UB8FDN RR73
172830 -11 2026  UB8FDN R7DX KN84 (x3)
190530 -13  616  PY7XC UB8FDN -17
190645 -10 1189  UB8FDN PY7XC 73
191915  +4  615  UB8FDN F4ACR IN96 (x4)
10m 
UTC    dB Audio  Message
081430  -8  979  UB8FDN RU3GF +00
082300 -10 1911  UB8FDN F5ADE R-19 (x5)
184730  -7  681  UB8FDN SV2CLJ R-12 (x4)
40m 
UTC    dB Audio  Message
173200 -13  883  UB8FDN R3MBV 73
173200 -22 1905  UB8FDN DK7ZT -13 (x2)
184015 -11 1950  UB8FDN S59A -05
163930 -13 2498  UB8FDN RD7LC -04
164030 -12 2159  UB8FDN UA3DPM KO95 (x2)
164330 -15  906  UB8FDN RC6OZ 73
164645 -13 2189  UB8FDN UA3DPM KO95 (x5)
165530 -16 1684  UB8FDN RX7O 73
171530 -16 1873  UB8FDN R3EDX RR73
160m 
UTC    dB Audio  Message
185900 -15  922  UB8FDN R4IK R-06
190000 -11 1402  UB8FDN RN3RFZ LO02
190130  -7  896  UB8FDN RT2P -19 (x3)
190830  -1  927  UB8FDN RU3DNN KO96 (x4)

Decoder S/N history by band

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