OL900JAR — FT8 station from Czech Republic
Amateur radio station OL900JAR operating from Czech Republic. 1,001 FT8 spots received at SO8OO WebSDR, 268 CQ calls, active on 160m, 80m, 60m, 40m, 20m, over 16 days, best SNR +20 dB. Heard between 2026-06-20 and 2026-07-31.
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Overview
1,001
Total spots
268
CQ calls
16
Days active
-4 dB
Avg SNR
Bands
80m
20m
40m
60m
160m
First seen: 2026-06-20
Last seen: 2026-07-31 21:59 UTC
Last seen: 2026-07-31 21:59 UTC
Frequent QSO partners observed at SO8OO
Stations OL900JAR worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | OL900JAR | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-31 23:24 | 80m | +8 / - | <...> | +1 / - | 8 | ✓ Confirmed |
| 07-31 20:43 | 40m | 0 / - | HA7TM | - / -12 | 2 | Partial |
| 07-31 20:42 | 40m | -5 / - | <...> | - / - | 3 | ✓ Confirmed |
| 07-31 19:23 | 20m | -16 / - | <...> | - / - | 2 | ✓ Confirmed |
| 07-31 19:00 | 20m | -4 / - | R4HEA | - / - | 2 | Partial |
| 07-31 14:54 | 20m | -6 / - | <...> | - / - | 2 | ✓ Confirmed |
| 07-31 14:53 | 20m | -3 / - | RX3VF | - / -24 | 3 | Partial |
| 07-25 19:23 | 20m | -3 / - | JA4LXY | - / -13 | 3 | Partial |
| 07-24 22:10 | 80m | +17 / +6 | HA0OH | +3 / -5 | 6 | Partial |
| 07-24 22:07 | 80m | -9 / - | <...> | -1 / - | 4 | ✓ Confirmed |
| 07-24 22:05 | 80m | -7 / - | DL9ATW | - / -6 | 5 | Partial |
| 07-24 22:03 | 80m | -14 / -9 | HB9MZI | +2 / -6 | 11 | Partial |
| 07-24 22:00 | 80m | -1 / - | <...> | +2 / - | 4 | ✓ Confirmed |
| 07-24 21:59 | 80m | -13 / - | HB9MZI | - / - | 3 | Partial |
| 07-24 21:57 | 80m | +4 / +1 | DC2SF | +4 / +3 | 4 | Partial |
| 07-21 19:26 | 80m | -10 / - | <...> | +5 / - | 2 | ✓ Confirmed |
| 07-21 19:26 | 80m | -11 / - | DF4LB | +4 / -2 | 2 | Partial |
| 07-21 19:22 | 80m | -16 / - | F5PBG | - / - | 3 | Partial |
| 07-21 19:20 | 80m | -1 / - | <...> | -4 / - | 4 | ✓ Confirmed |
| 07-21 19:18 | 80m | +11 / - | <...> | -1 / - | 2 | ✓ Confirmed |
| 07-21 19:17 | 80m | -6 / -7 | DO3HUM | -6 / - | 6 | Partial |
| 07-21 19:15 | 80m | +7 / - | <...> | -4 / - | 2 | ✓ Confirmed |
| 07-21 19:12 | 80m | - / -5 | DH1JAD | -3 / - | 4 | Partial |
| 07-21 19:11 | 80m | -4 / - | <...> | -5 / - | 2 | ✓ Confirmed |
| 07-21 19:10 | 80m | -3 / - | SQ9LFQ | -6 / +3 | 4 | Partial |
| 07-21 19:09 | 80m | +7 / - | <...> | -2 / - | 2 | ✓ Confirmed |
| 07-21 19:07 | 80m | +5 / +2 | RC2DD | -2 / -10 | 6 | Partial |
| 07-21 17:43 | 40m | -6 / - | DL1VJL | - / -13 | 2 | Partial |
| 07-21 17:21 | 20m | - / -9 | OY1R | -13 / - | 4 | Partial |
| 07-21 16:52 | 20m | -4 / - | <...> | - / - | 2 | ✓ Confirmed |
| 07-21 16:32 | 40m | -1 / - | 3Z0L | - / -2 | 2 | Partial |
| 07-19 12:45 | 20m | -18 / - | <...> | -13 / - | 6 | ✓ Confirmed |
| 07-19 12:42 | 20m | - / - | <...> | -16 / - | 3 | Partial |
| 07-19 07:32 | 20m | -12 / - | <...> | -16 / - | 3 | ✓ Confirmed |
| 07-19 07:23 | 20m | -13 / - | <...> | - / - | 3 | ✓ Confirmed |
| 07-18 23:16 | 80m | +13 / - | OK5AC | - / -4 | 3 | Partial |
| 07-18 23:15 | 80m | +16 / - | <...> | -15 / - | 2 | ✓ Confirmed |
| 07-18 23:02 | 80m | -4 / - | <...> | -9 / - | 4 | ✓ Confirmed |
| 07-18 21:32 | 80m | -20 / - | <...> | -15 / - | 2 | ✓ Confirmed |
| 07-18 21:26 | 80m | - / +10 | OE3BHM | -10 / - | 2 | Partial |
| 07-18 21:17 | 80m | - / - | <...> | -4 / - | 5 | Partial |
| 07-18 21:13 | 80m | +2 / - | DM4SH | -8 / -21 | 4 | Partial |
| 07-18 21:12 | 80m | +10 / - | <...> | -4 / - | 4 | ✓ Confirmed |
| 07-18 21:11 | 80m | +16 / - | SP6FME | -8 / -4 | 4 | Partial |
| 07-18 20:56 | 40m | -3 / - | <...> | -11 / - | 2 | ✓ Confirmed |
| 07-18 20:47 | 40m | -7 / - | YL3MM | - / +4 | 3 | Partial |
| 07-18 20:38 | 40m | -12 / - | <...> | - / - | 3 | ✓ Confirmed |
| 07-18 20:38 | 40m | -13 / - | PC2J | - / -13 | 3 | Partial |
| 07-16 20:56 | 40m | -11 / - | <...> | -13 / - | 2 | ✓ Confirmed |
| 07-16 20:53 | 80m | - / +2 | UA4FET | +13 / - | 3 | Partial |
Station Log
40m
UTC dB Freq Message 212145 -14 1159 OL900JAR <...> 73 (x6) 221445 -17 1551 OL900JAR DK5ON +29 162615 -14 1784 OL900JAR <...> 73 (x2) 204345 +1 1443 OL900JAR HA7TM KN07 (x2) 204445 +0 1442 OL900JAR <...> 73 (x2) 234300 -22 1592 <...> OL900JAR 235915 +1 2370 OL900JAR <...> 73
80m
UTC dB Freq Message 221130 +1 969 HA0OH OL900JAR R+06 (x5) 232400 -5 1261 CQ OL900JAR 232430 +9 403 <...> OL900JAR 232445 +7 403 OL900JAR IK4LZH -16 232515 +8 402 OL900JAR <...> RR73 232530 +7 403 <...> OL900JAR 73 (x6)
20m
UTC dB Freq Message 133545 -19 1494 OL900JAR <...> 73 (x3) 145315 -2 2216 OL900JAR RX3VF LO06 (x3) 145445 -7 2217 OL900JAR <...> 73 (x4) 190015 -4 2180 OL900JAR R4HEA LO53 (x2) 191715 -12 2266 OL900JAR <...> 73 (x3)
160m
UTC dB Freq Message 210415 +6 1911 9A4ZM OL900JAR +11 210430 +0 1907 OL900JAR 9A4ZM R+05 210445 +7 1911 <...> OL900JAR RR73 210515 +6 1911 CQ OL900JAR (x2) 210615 +8 1911 OM2WQ OL900JAR +14 210645 +7 1911 <...> OL900JAR RR73 210700 -11 1980 <OL900JAR> OZ1FHU JO55 210700 +3 1400 OL900JAR <...> 73 210715 +4 1911 OZ1FHU OL900JAR -03 210730 -8 1980 OL900JAR OZ1FHU R+06 210745 +4 1911 <...> OL900JAR RR73 210800 -9 1980 OL900JAR <...> 73 210815 +0 1911 CQ OL900JAR (x2)
60m
UTC dB Freq Message 205415 +1 1931 <...> OL900JAR 73 205430 +1 1102 OL900JAR 3Z0L JO81 205445 +3 1931 3Z0L OL900JAR +05 205530 -1 1101 OL900JAR <...> 73 205615 +3 1931 CQ OL900JAR 205615 +3 1102 OL900JAR 3Z0L JO81 205645 -4 1931 F4PAN OL900JAR +00 205645 -3 1102 OL900JAR 3Z0L JO81 205715 -2 1931 <...> OL900JAR RR73 205715 -1 1102 OL900JAR 3Z0L R-07 205730 -5 970 OL900JAR <...> 73 205815 +11 1931 CQ OL900JAR (x2) 205915 +4 1932 G0JDK OL900JAR +01 205945 +1 1932 <...> OL900JAR RR73