R2SDZ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R2SDZ, decoded by SO8OO in southeastern Poland. 364 related FT8 messages, observed on 160m, 80m, 40m, 20m, 10m, across 33 UTC dates. Heard between 2026-06-18 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 R2SDZ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R2SDZ
Approximate centre of KO94, decoded 2026-08-23 05:31 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 | R2SDZ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 05:31 | 20m | +3 / - | R8QA/M | - / -15 | 2 | Partial capture |
| 08-23 05:25 | 20m | -9 / - | <...> | - / -10 | 2 | Partial capture |
| 08-23 05:19 | 20m | -6 / +7 | A93MO | -9 / -7 | 3 | Partial capture |
| 08-22 19:37 | 80m | -7 / -10 | RK4HS | -18 / -5 | 6 | ✓ Full exchange observed |
| 08-22 19:07 | 80m | +6 / - | II7MGXX | - / -6 | 2 | Partial capture |
| 08-22 19:06 | 80m | +8 / +4 | R4HHN | -2 / -2 | 4 | ✓ Full exchange observed |
| 08-22 19:05 | 80m | +8 / - | RK4FAJ | - / -10 | 2 | ✓ Closing fragment |
| 08-21 18:56 | 160m | -1 / - | RU3NCW | - / -7 | 4 | ✓ Closing fragment |
| 08-21 18:51 | 160m | +2 / - | UA1OJL | - / -14 | 2 | ✓ Closing fragment |
| 08-21 18:51 | 160m | 0 / -3 | R2EA/P | -10 / -15 | 5 | ✓ Full exchange observed |
| 08-21 18:50 | 160m | -1 / +2 | RT2P | -8 / -2 | 5 | ✓ Full exchange observed |
| 08-21 18:07 | 80m | +3 / - | EV6Z | - / - | 3 | Partial capture |
| 08-21 18:01 | 80m | +2 / - | UF4S/P | - / 0 | 5 | Partial capture |
| 08-21 18:00 | 80m | +3 / - | RL3F | -11 / +2 | 5 | ✓ Full exchange observed |
| 08-21 17:58 | 80m | 0 / - | RY3F | +2 / +2 | 5 | ✓ Full exchange observed |
| 08-18 23:18 | 40m | -9 / - | NP4TX | - / -8 | 7 | ✓ Closing fragment |
| 08-18 23:11 | 40m | -8 / - | <...> | - / -15 | 4 | Partial capture |
| 08-18 23:05 | 80m | -6 / -10 | F5MYK | -8 / -19 | 5 | ✓ Full exchange observed |
| 08-18 23:04 | 80m | -9 / - | R5VCW | - / -7 | 3 | ✓ Closing fragment |
| 08-18 02:52 | 80m | -6 / - | UR4SXA | - / - | 2 | Partial capture |
| 08-18 02:38 | 80m | -4 / -8 | LA3LUA | 0 / -17 | 5 | ✓ Full exchange observed |
| 08-18 02:35 | 80m | +2 / -6 | MM0KQC | -13 / -14 | 6 | ✓ Full exchange observed |
| 08-18 02:33 | 80m | +4 / - | <...> | - / -15 | 2 | Partial capture |
| 08-17 01:59 | 80m | -6 / -4 | PE1NAO | -15 / -19 | 4 | ✓ Full exchange observed |
| 08-17 01:55 | 80m | -6 / - | K1ZM | -15 / -17 | 6 | ✓ Closing observed |
| 08-17 01:54 | 80m | -4 / -2 | M0UTD | -3 / -9 | 4 | ✓ Full exchange observed |
| 08-17 01:52 | 80m | -5 / -3 | HA1DSL | 0 / -19 | 5 | ✓ Full exchange observed |
| 08-17 01:48 | 80m | +1 / -3 | EA3AKY | -16 / -15 | 5 | ✓ Full exchange observed |
| 08-17 01:43 | 80m | +1 / - | WK2M | - / - | 6 | Partial capture |
| 08-17 01:42 | 80m | +6 / - | UT5ZC | - / - | 2 | Partial capture |
| 08-17 01:34 | 80m | +6 / - | LU3CQ | - / -20 | 3 | ✓ Closing fragment |
| 08-17 01:29 | 80m | +6 / - | VP8A | - / -18 | 15 | ✓ Closing fragment |
| 08-17 01:27 | 80m | +4 / - | TF4M | -14 / -10 | 5 | ✓ Full exchange observed |
| 08-17 01:25 | 80m | +6 / -15 | KG3V | -24 / -16 | 4 | Partial capture |
| 08-17 01:23 | 80m | +7 / - | VP8A | - / - | 3 | Partial capture |
| 08-17 01:22 | 80m | +8 / - | CX9AU | - / -20 | 3 | ✓ Closing fragment |
| 08-15 18:23 | 80m | +9 / - | UB3IBG | 0 / +1 | 5 | ✓ Full exchange observed |
| 08-15 18:16 | 80m | +14 / - | RW3YS | - / -4 | 4 | ✓ Closing fragment |
| 08-14 19:24 | 80m | +8 / -10 | IQ4JO | +4 / -13 | 4 | ✓ Full exchange observed |
| 08-14 19:22 | 80m | - / +9 | R6ML | -8 / - | 4 | ✓ Closing fragment |
| 08-14 19:21 | 80m | - / 0 | IV3FSG | +1 / - | 3 | ✓ Closing fragment |
| 08-14 19:16 | 80m | +7 / - | R9DT | - / -24 | 7 | ✓ Closing fragment |
| 08-14 19:07 | 80m | +4 / - | RA1PO | - / -23 | 3 | ✓ Closing fragment |
| 08-14 19:05 | 80m | +5 / - | UA0TP | - / -20 | 3 | ✓ Closing fragment |
| 08-14 18:55 | 80m | -1 / - | <...> | - / -2 | 5 | Partial capture |
| 08-14 18:47 | 80m | +6 / - | RX3DPK/LH | - / -3 | 2 | Partial capture |
| 08-14 18:05 | 160m | -12 / - | R9AV | - / -20 | 2 | ✓ Closing fragment |
| 08-14 18:02 | 160m | -11 / - | R2UZ/P | - / -3 | 6 | ✓ Closing fragment |
| 08-12 17:25 | 80m | -5 / - | R50RKZ | -5 / 0 | 6 | ✓ Full exchange observed |
| 08-12 16:46 | 80m | 0 / - | RI0FA | - / -19 | 5 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 164045 -16 2475 OX3LX R2SDZ R-23 (x2) 170400 -13 2475 <...> R2SDZ KO94 170745 -24 2053 R2SDZ RU4F RR73 134230 -17 1357 R2SDZ R7DX KN84 (x3) 134630 -21 1881 R2SDZ RX6DY -08 051915 -11 1470 A93MO R2SDZ KO94 051930 -9 541 R2SDZ A93MO +07 051945 +0 1470 A93MO R2SDZ R-07 052545 -8 1470 <...> R2SDZ KO94 (x2) 053100 +1 1470 R8QA/M R2SDZ KO94 (x2)
UTC dB Audio Message 190515 +9 1817 RK4FAJ R2SDZ R-10 (x2) 190600 -2 910 R2SDZ R4HHN LO43 190615 +9 1817 R4HHN R2SDZ -02 190630 -3 910 R2SDZ R4HHN R+04 190645 +7 1817 R4HHN R2SDZ RR73 190715 +9 1817 II7MGXX R2SDZ KO94 190730 -16 3025 R2SDZ R5BM/M +09 190745 +4 1817 II7MGXX R2SDZ R-06 193730 -9 1818 RK4HS R2SDZ KO94 193745 -15 1901 R2SDZ RK4HS -10 193800 -7 1818 RK4HS R2SDZ R-05 193815 -24 1901 R2SDZ RK4HS RRR 193830 -5 1818 RK4HS R2SDZ 73 193845 -16 1901 R2SDZ RK4HS 73
UTC dB Audio Message 185030 -10 1871 R2SDZ RT2P +02 185045 +0 1871 RT2P R2SDZ R-02 185100 -11 871 R2SDZ R2EA/P -03 185100 -7 1871 R2SDZ RT2P RR73 185115 -1 1871 RT2P R2SDZ 73 185130 -10 871 R2SDZ R2EA/P -03 185145 +1 1871 UA1OJL R2SDZ -14 (x2) 185245 +1 1871 R2EA/P R2SDZ R-15 (x3) 185615 +2 1871 RU3NCW R2SDZ KO94 (x4)
UTC dB Audio Message 021245 -18 2061 K7WOF R2SDZ KO94 021700 -22 2090 KA3KQO R2SDZ KO94 (x3) 231145 -1 2089 <...> R2SDZ KO94 (x4) 231830 -7 2012 NP4TX R2SDZ KO94 (x7)
UTC dB Audio Message 172915 +10 2901 R2SDZ RZ6L -02 (x2) 174130 -9 1996 R2SDZ A91PSD -08 (x2) 181230 -18 2140 Z61DX R2SDZ KO94 105830 -24 1828 R2SDZ RA6AR KN93 161200 -15 2492 D44AG R2SDZ KO94 (x2) 162700 -18 2250 RA1N R2SDZ KO94 125415 -19 2141 3A2MW R2SDZ KO94 (x2) 125530 -16 841 R2SDZ 3A2MW RR73 125745 -21 2140 LX1NO R2SDZ KO94 125900 +1 1404 R2SDZ LX1NO -07 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.