RA9CUU — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RA9CUU, decoded by SO8OO in southeastern Poland. 2,504 related FT8 messages, 992 CQ messages, observed on 80m, 40m, 20m, 10m, across 80 UTC dates. Heard between 2026-05-25 and 2026-08-23.
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
Frequent QSO partners observed at SO8OO
Stations RA9CUU worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by RA9CUU
Approximate centre of MO17, decoded 2026-08-23 18:05 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 UTC | Band | RA9CUU S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 18:02 | 80m | -1 / - | RC6BB | -13 / -17 | 5 | ✓ Closing observed |
| 08-23 17:58 | 80m | -6 / -9 | IK5CHL | 0 / -13 | 9 | ✓ Full exchange observed |
| 08-23 17:58 | 80m | -3 / -6 | SP3BVI | +2 / -15 | 4 | ✓ Full exchange observed |
| 08-23 17:55 | 80m | -5 / -3 | SP3CUG | -5 / -16 | 9 | ✓ Full exchange observed |
| 08-23 17:54 | 80m | - / - | SP3BVI | -2 / - | 2 | Partial capture |
| 08-23 17:52 | 80m | - / - | R3DQK | -14 / - | 3 | Partial capture |
| 08-23 17:51 | 80m | - / - | SP3BVI | +4 / - | 2 | Partial capture |
| 08-23 17:46 | 80m | -7 / -1 | R4HHN | -12 / -3 | 5 | ✓ Full exchange observed |
| 08-23 17:45 | 80m | -9 / -8 | 9A3EYA | +6 / -17 | 6 | ✓ Full exchange observed |
| 08-23 17:41 | 80m | -12 / +2 | R4HNW | -2 / - | 4 | ✓ Closing observed |
| 08-23 17:35 | 80m | -9 / - | <...> | - / -11 | 9 | Partial capture |
| 08-23 17:21 | 40m | - / - | IZ3VCN | +1 / - | 2 | Partial capture |
| 08-23 17:15 | 40m | -11 / -1 | RW6B | -8 / -12 | 10 | ✓ Full exchange observed |
| 08-23 17:12 | 40m | -12 / - | SV8GXC | -13 / -17 | 3 | ✓ Closing observed |
| 08-23 17:09 | 40m | - / -16 | 3Z100LKK | -3 / - | 5 | Partial capture |
| 08-23 16:58 | 40m | - / -14 | IK4LZH | -4 / - | 4 | ✓ Closing fragment |
| 08-23 16:53 | 40m | -10 / - | <...> | - / - | 2 | Partial capture |
| 08-23 16:19 | 40m | - / -5 | 3Z100LKK | -7 / - | 4 | Partial capture |
| 08-22 18:14 | 40m | -9 / -5 | LZ3CB | +16 / -1 | 5 | ✓ Full exchange observed |
| 08-22 18:11 | 40m | -10 / -9 | YO4GIY | -6 / -4 | 5 | ✓ Full exchange observed |
| 08-22 17:59 | 40m | -7 / - | R1530IG | - / -10 | 3 | Partial capture |
| 08-22 17:58 | 40m | -9 / - | R3TY | -2 / - | 2 | ✓ Closing observed |
| 08-22 17:51 | 40m | - / -6 | R2BRU | -2 / - | 2 | ✓ Closing fragment |
| 08-22 17:48 | 40m | - / -6 | R4HNT | -6 / - | 2 | ✓ Closing fragment |
| 08-22 17:45 | 40m | -8 / -11 | SP5DFK | -10 / -21 | 3 | Partial capture |
| 08-22 17:36 | 40m | -7 / +3 | R6MC | +6 / - | 5 | ✓ Closing observed |
| 08-22 17:29 | 40m | -11 / - | RW9H/M | - / -6 | 2 | Partial capture |
| 08-22 17:16 | 40m | -11 / - | UB4FJC | - / - | 3 | Partial capture |
| 08-22 17:14 | 40m | -10 / - | RN3RHQ | - / - | 3 | Partial capture |
| 08-22 16:21 | 40m | -18 / - | R9UCL | - / - | 2 | Partial capture |
| 08-21 18:14 | 80m | -8 / - | HA1BL | - / - | 2 | ✓ Closing fragment |
| 08-21 18:13 | 80m | -5 / -16 | UA3XDR | -19 / - | 3 | ✓ Closing observed |
| 08-21 18:08 | 80m | - / -19 | HA1BL | +13 / - | 2 | Partial capture |
| 08-21 18:04 | 80m | -11 / - | HA1BL | +8 / -19 | 3 | Partial capture |
| 08-21 17:59 | 80m | -7 / -2 | UF4S/P | -8 / +1 | 6 | ✓ Full exchange observed |
| 08-21 17:57 | 80m | -8 / -4 | RC2DD | 0 / -7 | 5 | ✓ Full exchange observed |
| 08-21 17:56 | 80m | -12 / -8 | R6ZEJ | -2 / -7 | 4 | ✓ Full exchange observed |
| 08-21 17:53 | 80m | - / -1 | EN35UKR | -2 / - | 2 | Partial capture |
| 08-21 17:52 | 80m | - / -10 | LA8AV | -6 / - | 2 | Partial capture |
| 08-21 17:52 | 80m | -8 / - | UF4S/P | - / -15 | 5 | Partial capture |
| 08-21 17:47 | 80m | -7 / - | UF4S/P | - / - | 6 | Partial capture |
| 08-21 17:42 | 80m | - / -12 | R6ZCE | 0 / - | 3 | ✓ Closing fragment |
| 08-21 17:42 | 80m | - / - | RD9M/3 | -7 / - | 2 | Partial capture |
| 08-21 17:40 | 80m | - / - | LA1AAA | -3 / - | 2 | Partial capture |
| 08-21 17:35 | 80m | -6 / +3 | UB0SMX/P | -8 / +1 | 10 | ✓ Full exchange observed |
| 08-21 17:34 | 80m | - / -1 | SM3PZG | -3 / - | 2 | ✓ Closing fragment |
| 08-21 17:28 | 40m | -13 / -4 | EW8KO | +1 / - | 4 | ✓ Closing observed |
| 08-21 17:26 | 40m | - / - | DB2HA | +8 / - | 3 | Partial capture |
| 08-21 17:15 | 40m | -10 / -17 | PA1PXL | -8 / -16 | 13 | ✓ Full exchange observed |
| 08-21 17:13 | 40m | - / - | PD1HBL | -18 / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 180100 -5 1113 IK5CHL RA9CUU -13 (x3) 180215 +1 1728 RA9CUU IK5CHL R-09 180215 -11 1166 RA9CUU RC6BB KN84 180230 -6 1113 IK5CHL RA9CUU RR73 180245 +0 1728 RA9CUU IK5CHL 73 180300 -8 1113 CQ RA9CUU MO17 180315 -6 1977 RA9CUU IQ4JO JN63 180315 -15 1166 RA9CUU RC6BB KN84 180330 +0 1112 RC6BB RA9CUU -17 (x3) 180500 -5 1112 CQ RA9CUU MO17 180545 -9 1112 RA9CUU DO1FZL JO50
UTC dB Audio Message 172215 +2 250 RA9CUU IZ3VCN JN66 172230 -9 1141 CQ RA9CUU MO17 (x14)
UTC dB Audio Message 062215 -12 1152 CQ RA9CUU MO17 (x4) 062500 -12 1152 RA9CUU TA3NK KM39 (x5) 075245 -1 1091 RA9CUU ON7KEC -02 (x2) 085915 +11 462 RA9CUU IK4LZH JN54 (x4)
UTC dB Audio Message 063430 -13 1298 RA9CUU R3OR -02 063800 -10 1299 RA9CUU UA3WG KO71 063830 -23 1903 RA9CUU RA7T -15 063830 -11 1299 RA9CUU UA3WG KO71 (x5) 064730 -14 1893 RA9CUU R5KH KO91 (x4) 074230 -2 1310 RA9CUU IZ3EAW JN55 055600 -13 2248 RA9CUU R6OIZ RR73 065130 -12 2643 RA9CUU F1PBZ -06
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.