C91RU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Mozambique

Receiver-side FT8 activity involving C91RU, decoded by SO8OO in southeastern Poland. 10,698 related FT8 messages, 38 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 60 UTC dates. Heard between 2026-06-01 and 2026-08-21.

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

10,698
Related messages
38
CQ messages
60
UTC dates heard
-5 dB
Mean decoder S/N

Bands

First seen: 2026-06-01
Last seen: 2026-08-21 20:15 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 UTCBandC91RU S/NCounterpartCounterpart S/NMsgsCapture
08-21 22:14 20m - / -8 OH4LRP -8 / - 3 ✓ Closing fragment
08-21 22:11 20m - / -20 UA6CE +7 / - 2 ✓ Closing fragment
08-21 21:46 20m - / - NX4RH -6 / - 8 Partial capture
08-21 21:24 20m - / - N1NK -1 / - 2 ✓ Closing fragment
08-21 21:10 20m - / -8 KA0BWH -16 / - 2 Partial capture
08-21 20:52 20m - / - GI4TMB +18 / - 2 Partial capture
08-21 20:39 20m - / -19 DH0YAH +6 / - 20 ✓ Closing fragment
08-21 20:38 20m - / -6 VE3HLM -1 / - 3 ✓ Closing fragment
08-21 20:36 20m - / -13 KW3DX -10 / - 3 ✓ Closing fragment
08-21 20:20 20m - / -20 OH1RM -8 / - 2 ✓ Closing fragment
08-21 20:19 20m - / -15 TF3VS -3 / - 5 ✓ Closing fragment
08-21 20:15 20m - / -11 SA4JAJ -10 / - 3 ✓ Closing fragment
08-21 20:14 20m - / -19 IN3MBS -10 / - 2 ✓ Closing fragment
08-21 20:00 20m - / -20 IW3FVQ +5 / - 4 Partial capture
08-21 19:59 20m - / -18 YU7OM +12 / - 3 ✓ Closing fragment
08-21 19:44 20m - / - SQ1DOZ +6 / - 2 ✓ Closing fragment
08-21 18:43 20m - / - OE2JKN +2 / - 4 Partial capture
08-21 18:41 20m - / -17 OE7JDT +1 / - 5 Partial capture
08-21 18:37 20m - / -22 OE1HOW +12 / - 3 ✓ Closing fragment
08-21 18:29 20m - / -13 MW1CFA +3 / - 3 ✓ Closing fragment
08-21 18:15 20m - / - DL4AMJ +2 / - 4 Partial capture
08-21 18:15 20m - / -15 PD2RM -2 / - 3 ✓ Closing fragment
08-21 18:08 20m - / -18 S59V +16 / - 2 Partial capture
08-21 18:02 20m - / -17 PA2AT -17 / - 2 Partial capture
08-21 17:58 20m - / -15 EI3HA -13 / - 3 Partial capture
08-21 17:51 20m - / - DH1HF -19 / - 2 Partial capture
08-21 17:46 20m - / -16 PC5D -14 / - 3 Partial capture
08-21 17:44 20m - / - PD1JBO +3 / - 3 Partial capture
08-21 17:44 20m - / -19 DL9KA +1 / - 19 Partial capture
08-21 17:44 20m - / -14 ON4CBK -4 / - 2 ✓ Closing fragment
08-21 17:40 20m - / -18 DJ8ES +11 / - 3 Partial capture
08-21 17:37 20m - / - PD1JBO -5 / - 5 Partial capture
08-21 17:35 20m - / -23 PE1OID -14 / - 5 Partial capture
08-21 17:32 20m - / - DL2AXA -7 / - 9 Partial capture
08-21 17:28 20m - / -23 PE1OID -16 / - 2 Partial capture
08-21 17:28 20m - / - DL2AXA -9 / - 4 Partial capture
08-21 17:26 20m - / - IK4ZGY 0 / - 3 Partial capture
08-21 17:19 20m - / -7 DL3AQJ +7 / - 2 ✓ Closing fragment
08-21 17:13 20m - / - IK4ZGY -6 / - 9 Partial capture
08-21 17:13 20m - / - OK5AG +2 / - 2 Partial capture
08-21 17:11 20m - / -7 DL3AQJ +6 / - 10 Partial capture
08-21 17:09 20m - / -13 OM1JM +10 / - 4 Partial capture
08-21 17:07 20m - / -20 YT5DL -2 / - 3 Partial capture
08-21 17:01 20m - / - PD1JBO -2 / - 19 Partial capture
08-21 17:01 20m - / -4 IK4ZGY -4 / - 19 Partial capture
08-21 17:00 20m - / -15 HB9DGZ -8 / - 12 Partial capture
08-21 16:56 20m - / -8 DF1GA -2 / - 4 Partial capture
08-21 16:54 20m - / -10 DK2NG +8 / - 4 Partial capture
08-21 16:54 20m - / - PD1JBO -2 / - 10 Partial capture
08-21 16:50 20m - / -17 DL7PIP -4 / - 9 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
212415  +0 2377  C91RU N1NK FN41 (x2)
214645  -6  616  C91RU NX4RH FM18 (x8)
221145 +10  360  C91RU UA6CE -20 (x2)
221445 -10 1007  C91RU OH4LRP KP32 (x3)
40m
UTC    dB Audio  Message
084630 -14 2445  C91RU DM1AL JO51 (x2)
195545  -5  996  C91RU 9A7Y JN65 (x2)
10m
UTC    dB Audio  Message
070815 -16 2205  C91RU SV2CXW KN10 (x3)
072615 -12 1160  C91RU DN9DSP JO31 (x2)
075115  -5  392  C91RU F5PTY R-21 (x3)
083045 -10 1589  C91RU IU1RVT JN45 (x4)
084545 -11 2331  C91RU I2YDX R-17 (x3)
60m
UTC    dB Audio  Message
204145 +10 2380  C91RU SP6CZ JO81
204145 -11 1722  C91RU EI7BA IO51
204215 -10 1244  C91RU OM4EX JN98
204215  +1  727  C91RU GW4FRX IO82
204245 -16 1407  C91RU LA4PM JP54
204245 -13 1243  C91RU OM4EX JN98
204245  -1  727  C91RU GW4FRX IO82
204315 -13 1407  C91RU LA4PM JP54
204315 -12 1244  C91RU OM4EX JN98
204315  +0  727  C91RU GW4FRX IO82 (x2)
204345 -12 1407  C91RU LA4PM JP54
204345  -7 1244  C91RU OM4EX JN98
204415 -12 1407  C91RU LA4PM JP54 (x2)
80m
UTC    dB Audio  Message
211215 +18 2937  C91RU 9A5TW JN85 (x3)
211315 -13 1056  C91RU SP2IQW JO94 (x2)
211345 +20 2937  C91RU 9A5TW R-20 (x2)
211615 +25 2937  C91RU 9A3PM JN85 (x8)

Decoder S/N history by band

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