RU9CZ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RU9CZ, decoded by SO8OO in southeastern Poland. 418 related FT8 messages, 33 CQ messages, observed on 80m, 40m, 20m, 10m, across 53 UTC dates. Heard between 2026-05-26 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 RU9CZ worked most often, as logged from our receiver:
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 UTC | Band | RU9CZ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 13:35 | 20m | -13 / - | BH4ECL | - / -10 | 3 | ✓ Closing fragment |
| 08-23 13:33 | 20m | -12 / -3 | EB1DJ | -4 / -17 | 3 | ✓ Full exchange observed |
| 08-23 13:27 | 20m | - / - | ON1AJ | +5 / - | 5 | Partial capture |
| 08-23 13:24 | 20m | - / -18 | 9A3K | +14 / - | 3 | ✓ Closing fragment |
| 08-23 13:21 | 20m | - / -11 | R5BM/M | -15 / - | 3 | Partial capture |
| 08-23 13:20 | 20m | - / - | RW6HPS | -2 / - | 4 | Partial capture |
| 08-23 13:18 | 20m | -1 / - | F4HTA | +13 / - | 2 | ✓ Closing observed |
| 08-23 13:08 | 20m | -8 / - | BG0EMF | - / -10 | 2 | ✓ Closing fragment |
| 08-23 13:04 | 20m | -4 / - | R1ZW | - / -8 | 2 | Partial capture |
| 08-23 13:02 | 20m | -11 / - | F1FPM | -8 / -25 | 4 | ✓ Closing observed |
| 08-23 12:57 | 20m | -8 / - | BG5EIB | - / -21 | 5 | ✓ Closing fragment |
| 08-22 09:15 | 20m | - / -13 | EA3FN | -8 / - | 2 | ✓ Closing fragment |
| 08-22 08:39 | 20m | - / -9 | F1PBZ | +9 / - | 3 | Partial capture |
| 08-19 11:00 | 20m | - / - | UA9CK | -21 / - | 3 | Partial capture |
| 08-17 09:46 | 10m | - / -18 | HB9OAB | -18 / - | 2 | ✓ Closing fragment |
| 08-16 08:25 | 20m | - / -7 | F1PBZ | -1 / - | 3 | Partial capture |
| 08-15 09:08 | 20m | - / - | EA5AR | -11 / - | 6 | Partial capture |
| 08-15 09:05 | 20m | - / -11 | R2PA | -11 / - | 2 | ✓ Closing fragment |
| 08-11 14:51 | 40m | - / - | DL2HRT | -21 / - | 2 | Partial capture |
| 08-11 14:43 | 40m | - / - | DL2HRT | -22 / - | 4 | Partial capture |
| 08-10 14:09 | 20m | - / - | R9FE | -6 / - | 2 | ✓ Closing fragment |
| 08-10 07:22 | 10m | - / -7 | RD6OW | -12 / - | 2 | ✓ Closing fragment |
| 08-10 06:37 | 10m | - / -6 | R6KA | -22 / - | 2 | ✓ Closing fragment |
| 08-10 06:33 | 10m | - / -11 | RA6OY | +8 / - | 3 | Partial capture |
| 08-06 10:19 | 20m | - / - | F1PPH | -22 / - | 4 | Partial capture |
| 08-06 10:17 | 20m | -21 / - | UB6OGX | - / -10 | 5 | Partial capture |
| 08-05 15:54 | 20m | -9 / - | RA6OY | - / -4 | 2 | Partial capture |
| 08-03 14:05 | 20m | -16 / - | RA3TPJ | - / - | 2 | ✓ Closing fragment |
| 08-01 11:23 | 20m | - / -12 | PG64HOOP | -8 / - | 2 | Partial capture |
| 08-01 11:18 | 20m | - / -6 | RA6AR | -14 / - | 2 | ✓ Closing fragment |
| 08-01 11:12 | 20m | - / +2 | UB6LTL | -4 / - | 2 | ✓ Closing fragment |
| 07-31 07:10 | 20m | -12 / - | R6DZR | -7 / -18 | 3 | ✓ Closing observed |
| 07-31 07:08 | 20m | -12 / - | RK3AQ | -1 / -10 | 4 | ✓ Closing observed |
| 07-30 09:39 | 20m | - / -14 | RW4YD | -22 / - | 3 | ✓ Closing fragment |
| 07-29 13:47 | 20m | -14 / -5 | RW9HSB | -3 / - | 2 | ✓ Closing observed |
| 07-29 12:21 | 20m | - / - | PD2WL | -22 / - | 2 | Partial capture |
| 07-29 12:04 | 20m | -19 / - | <...> | - / -13 | 2 | Partial capture |
| 07-29 11:55 | 20m | -20 / - | RC9YG | - / -21 | 3 | ✓ Closing fragment |
| 07-27 06:26 | 20m | -10 / - | RD1A | - / -2 | 2 | ✓ Closing fragment |
| 07-27 06:21 | 20m | -6 / - | RN1TV | - / -11 | 5 | Partial capture |
| 07-27 06:06 | 20m | -12 / - | R6ZL | -3 / - | 2 | ✓ Closing observed |
| 07-26 16:55 | 80m | - / -15 | RC6OD | -4 / - | 2 | ✓ Closing fragment |
| 07-25 16:13 | 40m | - / +1 | RK3AQ | -22 / - | 2 | Partial capture |
| 07-25 11:44 | 20m | -12 / - | UA4WCS | - / -14 | 2 | ✓ Closing fragment |
| 07-22 11:53 | 20m | -21 / -18 | R2ZJJ | -19 / - | 2 | ✓ Closing observed |
| 07-21 15:47 | 40m | - / -7 | S59A | -4 / - | 2 | ✓ Closing fragment |
| 07-20 08:58 | 10m | - / 0 | RC5F | -7 / - | 3 | ✓ Closing fragment |
| 07-20 08:12 | 10m | - / -12 | R3XBB | -17 / - | 2 | Partial capture |
| 07-20 08:08 | 10m | - / -12 | R3XBB | -16 / - | 2 | Partial capture |
| 07-20 07:57 | 10m | - / -5 | RU3GF | -6 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 132530 +15 2208 RU9CZ 9A3K 73 132730 +7 1217 RU9CZ ON1AJ JO20 (x5) 133300 -10 1521 BD8ALJ RU9CZ 73 133345 -3 1512 RU9CZ EB1DJ -03 133400 -12 1433 EB1DJ RU9CZ R-17 133415 -5 1512 RU9CZ EB1DJ RR73 133500 -15 1433 BH4ECL RU9CZ -10 (x2) 133630 -7 1433 RV9UAF RU9CZ 73 133700 -11 1433 BH4ECL RU9CZ RR73 133730 -11 1433 F1THK RU9CZ -18
UTC dB Audio Message 085830 -7 1053 RU9CZ RC5F KO85 (x3) 110430 -18 2001 RU9CZ LX1RFJ R-09 063330 +10 322 RU9CZ RA6OY R-11 (x3) 063745 -24 1797 RU9CZ R6KA R-06 (x2) 071900 -12 2099 RU9CZ RT6Z 73 072245 -9 877 RU9CZ RD6OW R-07 (x2) 094215 -15 1644 RU9CZ F6JON/QRP +06 094615 -18 1562 RU9CZ HB9OAB -18 (x2)
UTC dB Audio Message 154745 -8 1127 RU9CZ S59A RR73 155345 -10 686 RU9CZ DM5JBN JO60 155615 -21 1412 RU9CZ R6ML 73 155430 -17 2137 RU9CZ R3WDW R+06 161300 -23 2106 RU9CZ RK3AQ R+01 (x2) 153415 -14 2168 RU9CZ R4CY R+11 141430 -24 1662 RU9CZ RA3AJT RR73 144330 -24 1589 RU9CZ DL2HRT JO51 (x6) 154430 -17 1200 RU9CZ R6OGV 73
UTC dB Audio Message 195445 -9 1492 3L9AKF/R RU9CZ -20 (x2) 195530 +7 614 RU9CZ R6ZEJ KN98 195545 -8 1492 3L9AKF/R RU9CZ -20 (x4) 181645 -8 1497 <...> RU9CZ -18 (x5) 182445 -11 1641 <R3DFE/0> RU9CZ RR73 165545 -6 995 RU9CZ RC6OD R-15 (x2)
UTC dB Audio Message 195145 -2 1232 <...> RU9CZ -02
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.