RZ3O — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RZ3O, decoded by SO8OO in southeastern Poland. 222 related FT8 messages, 39 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 9 UTC dates. Heard between 2026-06-03 and 2026-08-12.
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 RZ3O worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by RZ3O
Approximate centre of KO91, decoded 2026-07-26 07:54 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 | RZ3O S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-16 10:03 | 10m | -12 / - | <...> | - / -17 | 3 | Partial capture |
| 08-12 17:49 | 80m | - / -13 | RZ6LY | +2 / - | 2 | ✓ Closing fragment |
| 08-12 17:45 | 80m | -12 / - | R9FF | - / -13 | 2 | ✓ Closing fragment |
| 08-12 17:43 | 80m | -18 / 0 | RA3QH | -6 / -1 | 3 | ✓ Full exchange observed |
| 08-12 17:42 | 80m | -16 / -2 | RU4F | +9 / +1 | 4 | ✓ Full exchange observed |
| 08-12 17:41 | 80m | -14 / - | RZ6BS | -1 / -1 | 3 | ✓ Closing observed |
| 08-12 17:40 | 80m | -19 / +2 | R2DVU | -4 / +1 | 5 | ✓ Full exchange observed |
| 08-12 17:39 | 80m | -18 / -2 | R50RKZ | -1 / -2 | 3 | ✓ Full exchange observed |
| 08-12 17:26 | 80m | -16 / +1 | R2WAF | +1 / +2 | 5 | ✓ Full exchange observed |
| 08-12 17:25 | 80m | -16 / - | RA4CGX | - / -1 | 2 | ✓ Closing fragment |
| 08-12 17:23 | 80m | -15 / -6 | R9RA | +4 / -12 | 4 | ✓ Full exchange observed |
| 08-12 17:20 | 80m | -15 / -7 | RU3VQ | +2 / - | 3 | ✓ Closing observed |
| 07-30 16:09 | 20m | -22 / -14 | EA5HEU | -12 / - | 2 | ✓ Closing observed |
| 07-29 15:53 | 20m | - / -24 | PD2WL | -17 / - | 4 | Partial capture |
| 07-29 15:52 | 20m | - / -12 | G4DBW | -10 / - | 3 | ✓ Closing fragment |
| 07-29 15:42 | 20m | - / -23 | DF3IS | +9 / - | 3 | ✓ Closing fragment |
| 07-24 18:57 | 80m | -2 / +4 | UA3GJM | -8 / +1 | 6 | ✓ Full exchange observed |
| 07-24 18:57 | 80m | +2 / -1 | R7CD | -6 / 0 | 5 | ✓ Full exchange observed |
| 07-24 18:55 | 80m | -2 / - | OH4KRN | -22 / -10 | 2 | Partial capture |
| 07-24 18:54 | 80m | +3 / -2 | YO4NT | +3 / 0 | 4 | ✓ Full exchange observed |
| 07-24 18:53 | 80m | - / - | R7CD | -1 / - | 3 | Partial capture |
| 07-24 18:53 | 80m | -2 / -9 | S59A | +16 / -9 | 4 | ✓ Full exchange observed |
| 07-24 18:52 | 80m | -1 / - | RN7A | - / -9 | 2 | Partial capture |
| 07-24 18:51 | 80m | - / - | R5BM | -11 / - | 5 | Partial capture |
| 07-24 18:49 | 80m | -4 / - | <...> | - / -12 | 2 | Partial capture |
| 07-24 18:40 | 160m | -22 / - | RN3RFZ | -20 / -2 | 2 | ✓ Closing observed |
| 07-24 18:37 | 160m | - / -6 | RT2P | -17 / - | 2 | ✓ Closing fragment |
| 07-24 18:27 | 160m | - / +3 | UA3PTK | -21 / - | 3 | Partial capture |
| 07-24 18:25 | 160m | - / -4 | RA3BY | -4 / - | 3 | ✓ Closing fragment |
| 07-24 18:24 | 160m | -24 / - | UD8S | - / -9 | 2 | ✓ Closing fragment |
| 07-24 18:22 | 160m | - / -6 | RA7T | -11 / - | 3 | ✓ Closing fragment |
| 07-24 18:19 | 160m | - / -3 | UA3ZUX | +1 / - | 5 | ✓ Closing fragment |
| 07-24 18:17 | 160m | - / 0 | R6ML | -13 / - | 5 | ✓ Closing fragment |
| 07-24 17:41 | 40m | - / -23 | I1RJP | -5 / - | 3 | ✓ Closing fragment |
| 07-24 17:37 | 80m | -10 / -9 | R6OG | +12 / -5 | 4 | ✓ Full exchange observed |
| 07-24 17:36 | 80m | -6 / - | RX3DRC | - / -12 | 2 | ✓ Closing fragment |
| 07-24 17:34 | 80m | -4 / -16 | RC6OU | +2 / - | 4 | ✓ Closing observed |
| 07-24 17:34 | 80m | -5 / - | RU3DAB | - / -18 | 2 | ✓ Closing fragment |
| 07-24 17:33 | 80m | -7 / - | R9FAK | - / -4 | 2 | ✓ Closing fragment |
| 06-06 17:08 | 40m | - / -10 | R1AV | -8 / - | 2 | ✓ Closing fragment |
| 06-06 17:05 | 40m | - / - | RA6FC | -10 / - | 3 | Partial capture |
| 06-06 16:57 | 40m | - / -14 | OM6APJ | +4 / - | 2 | Partial capture |
| 06-06 16:52 | 40m | -10 / - | UA3SCU | - / -12 | 2 | ✓ Closing fragment |
| 06-06 16:52 | 40m | -9 / -23 | DL1DEU | +8 / -16 | 4 | ✓ Full exchange observed |
| 06-06 16:49 | 40m | -12 / -8 | US8KA | +6 / -13 | 2 | Partial capture |
| 06-06 16:48 | 40m | - / - | RU3DNN | -9 / - | 2 | Partial capture |
| 06-06 16:48 | 40m | -9 / -2 | R3IX | -9 / -18 | 3 | ✓ Full exchange observed |
| 06-06 16:43 | 40m | -6 / -6 | UA1ABO | -5 / -2 | 10 | ✓ Full exchange observed |
| 06-06 16:43 | 40m | -9 / - | R9FFJ | - / -6 | 2 | ✓ Closing fragment |
| 06-06 16:42 | 40m | -7 / - | ZL1VAH | - / -15 | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 131400 -5 516 CQ RZ3O KO91 131430 -9 517 R1AV RZ3O +02 132130 -6 516 R1BC RZ3O -03 (x4) 132400 -12 516 R1BLH RZ3O -06 (x2) 132845 -20 1677 RZ3O RL3K KO91 075415 -12 583 CQ RZ3O KO91 080145 -12 583 OH3DJP RZ3O RR73 100315 -18 2012 <...> RZ3O -17 (x3) 100645 -13 792 R7GR RZ3O -02
UTC dB Audio Message 174145 -13 1355 RZ6BS RZ3O -01 174200 +9 2571 RZ3O RU4F -02 174215 -14 1355 RZ6BS RZ3O RR73 174230 -1 2142 RZ3O RZ6BS 73 174245 -17 1355 RU4F RZ3O R+01 174300 +9 2572 RZ3O RU4F RR73 174315 -16 1356 RU4F RZ3O 73 174330 -6 2370 RZ3O RA3QH +00 174445 -11 1355 RA3QH RZ3O R-01 (x2) 174545 -12 1355 R9FF RZ3O -13 (x2) 174815 -14 1355 RV3SBS/P RZ3O -03 174900 +2 1867 RZ3O RZ6LY -13 (x2)
UTC dB Audio Message 154145 -14 1149 RZ3O F5HNQ IN98 154215 +11 543 RZ3O DF3IS JN49 (x3) 155230 -11 2142 RZ3O G4DBW JO01 155300 -22 1327 RZ3O PD2WL R-24 155300 -9 2142 RZ3O G4DBW R-12 155330 -20 1327 RZ3O PD2WL R-24 155330 -9 2142 RZ3O G4DBW 73 155415 -12 554 OS4K RZ3O R-19 155530 -16 1327 RZ3O PD2WL R-24 (x2) 155615 -11 554 <...> RZ3O -04 160930 -12 2212 RZ3O EA5HEU R-14 160945 -22 2030 EA5HEU RZ3O RR73
UTC dB Audio Message 182500 -24 1498 UD8S RZ3O 73 182515 -2 817 RZ3O RA3BY KO75 (x3) 182645 -22 1143 RZ3O UB6OAJ -08 182745 -19 1498 RZ3O UA3PTK KO93 (x3) 183030 -20 1499 CQ RZ3O KO91 183630 -23 1910 RZ3O RA6ATZ R-06 183730 -21 1499 RZ3O RT2P R-06 (x2) 184015 -22 1498 RN3RFZ RZ3O -02 184100 -20 1389 RZ3O RN3RFZ 73 184245 -18 1499 CQ RZ3O KO91
UTC dB Audio Message 170245 +5 539 RZ3O RA3AJT -02 170545 -9 999 RZ3O RA6FC LN13 (x3) 170845 -7 539 RZ3O R1AV R-10 (x2) 171330 -6 2233 RZ3O YO9PH -07 171330 -2 539 RZ3O R5AV +01 171445 -17 539 CQ RZ3O KO91 a1 172115 -21 2045 RZ3O RA5AK -05 172315 -4 375 RZ3O RN6MA RR73 174100 -11 2644 RZ3O RD3FY R-08 174130 -5 319 RZ3O I1RJP JN45 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.