4O/YT4ZZ — FT8 station from Montenegro
Amateur radio station 4O/YT4ZZ operating from Montenegro (grid square JO71). 564 FT8 spots received at SO8OO WebSDR, 157 CQ calls, active on 80m, 40m, 20m, over 4 days, best SNR +23 dB. Heard between 2026-07-22 and 2026-07-25.
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Overview
564
Total spots
157
CQ calls
4
Days active
-5 dB
Avg SNR
Bands
80m
20m
40m
First seen: 2026-07-22
Last seen: 2026-07-25 20:18 UTC
Last seen: 2026-07-25 20:18 UTC
Frequent QSO partners observed at SO8OO
Stations 4O/YT4ZZ worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | 4O/YT4ZZ | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-25 22:15 | 80m | - / -7 | EB4SM | -4 / - | 2 | Partial |
| 07-25 22:12 | 80m | -6 / -16 | DL4KSD | -6 / -3 | 10 | Partial |
| 07-25 22:10 | 80m | -16 / - | EB4SM | - / - | 2 | Partial |
| 07-25 22:08 | 80m | +3 / - | <...> | -4 / - | 8 | ✓ Confirmed |
| 07-25 22:08 | 80m | - / -15 | R3NB | -6 / - | 3 | ✓ Confirmed |
| 07-25 21:59 | 80m | -16 / - | R3NB | - / - | 2 | Partial |
| 07-25 21:59 | 80m | -5 / - | <...> | -1 / - | 2 | ✓ Confirmed |
| 07-25 21:52 | 80m | +6 / - | <...> | -6 / - | 7 | ✓ Confirmed |
| 07-25 21:47 | 80m | +10 / - | <...> | +3 / - | 2 | ✓ Confirmed |
| 07-25 21:46 | 80m | +4 / -1 | DO9SAM | +6 / -2 | 3 | Partial |
| 07-25 21:39 | 80m | -18 / -18 | DL4DP | -4 / -1 | 3 | Partial |
| 07-25 21:36 | 80m | - / -17 | YL3PK | -8 / - | 2 | Partial |
| 07-25 21:31 | 80m | 0 / - | RA5AK | - / -12 | 2 | Partial |
| 07-25 21:29 | 80m | -1 / - | <...> | -2 / - | 6 | ✓ Confirmed |
| 07-25 21:28 | 80m | +6 / -4 | UA3ZUX | -8 / -9 | 3 | Partial |
| 07-25 21:19 | 80m | -11 / -14 | LB6LK | -2 / -9 | 2 | Partial |
| 07-25 21:16 | 80m | -2 / - | <...> | - / - | 2 | ✓ Confirmed |
| 07-25 21:16 | 80m | - / -7 | SP9ENV | -5 / - | 3 | ✓ Confirmed |
| 07-25 21:12 | 80m | -12 / - | <...> | -10 / - | 2 | ✓ Confirmed |
| 07-25 21:02 | 80m | -18 / - | RJ3T | - / - | 3 | Partial |
| 07-25 21:02 | 80m | +6 / - | <...> | -12 / - | 2 | ✓ Confirmed |
| 07-25 20:52 | 80m | -4 / - | <...> | -5 / - | 10 | ✓ Confirmed |
| 07-25 20:46 | 80m | -5 / - | SP7ROM | - / - | 2 | Partial |
| 07-25 20:42 | 80m | -2 / - | <...> | -8 / - | 7 | ✓ Confirmed |
| 07-25 20:41 | 80m | -2 / - | HA3GX | - / - | 5 | ✓ Confirmed |
| 07-25 20:41 | 80m | - / -14 | DK1TBL | -8 / - | 2 | Partial |
| 07-25 20:36 | 80m | - / -14 | CT7AUT | -5 / - | 2 | Partial |
| 07-25 20:32 | 80m | 0 / - | <...> | -6 / - | 4 | ✓ Confirmed |
| 07-25 20:31 | 80m | -2 / -4 | R5AV | -8 / -12 | 2 | Partial |
| 07-24 22:16 | 80m | +7 / -4 | SP3VZT | 0 / +2 | 3 | Partial |
| 07-24 22:15 | 80m | 0 / - | <...> | -1 / - | 4 | ✓ Confirmed |
| 07-24 22:10 | 80m | - / - | <...> | -5 / - | 2 | ✓ Confirmed |
| 07-24 21:59 | 80m | +10 / +1 | SP6FME | 0 / -7 | 5 | Partial |
| 07-24 21:59 | 80m | +3 / - | <...> | -4 / - | 10 | ✓ Confirmed |
| 07-24 21:59 | 80m | +3 / -5 | IT9IVN | -2 / -9 | 9 | Partial |
| 07-24 21:56 | 80m | -5 / -6 | OE3JWC | +2 / -6 | 2 | Partial |
| 07-24 21:51 | 80m | -4 / - | <...> | -1 / - | 8 | ✓ Confirmed |
| 07-24 21:50 | 80m | +7 / +1 | YT6AAA | +13 / -5 | 5 | Partial |
| 07-24 21:50 | 80m | -6 / -11 | DC2SF | -1 / -10 | 2 | Partial |
| 07-24 21:45 | 80m | -18 / -7 | IS0BOZ | -2 / -15 | 3 | Partial |
| 07-24 21:44 | 80m | - / -18 | PA0MUS | 0 / - | 2 | Partial |
| 07-24 21:41 | 80m | -14 / - | <...> | +1 / - | 14 | ✓ Confirmed |
| 07-24 21:37 | 80m | - / -11 | R9SY | 0 / - | 7 | Partial |
| 07-24 21:35 | 80m | -9 / -15 | EA1RT | -2 / - | 2 | Partial |
| 07-24 21:32 | 80m | +2 / - | YT1DDL | - / -10 | 3 | Partial |
| 07-24 21:30 | 80m | -19 / - | IQ8BV | - / - | 2 | Partial |
| 07-24 21:29 | 80m | -6 / -7 | OZ5AGJ | -12 / -10 | 3 | Partial |
| 07-24 21:28 | 80m | +1 / - | YT1DDL | - / - | 3 | Partial |
| 07-24 21:23 | 80m | -9 / - | YT1DDL | - / - | 3 | Partial |
| 07-24 21:21 | 80m | -20 / -8 | DA6BR | +1 / -13 | 3 | Partial |
Station Log
80m
UTC dB Freq Message 221315 +22 2500 4O/YT4ZZ <...> 73 221330 -7 1454 CQ 4O/YT4ZZ 221400 -6 1454 DL4KSD 4O/YT4ZZ -16 221430 -4 1454 <...> 4O/YT4ZZ RR73 221515 -7 1454 4O/YT4ZZ DL4KSD R-03 221530 -4 1454 EB4SM 4O/YT4ZZ -07 221545 -5 1454 4O/YT4ZZ DL4KSD JO71 221600 -5 1454 EB4SM 4O/YT4ZZ -07 221615 -6 1454 4O/YT4ZZ DL4KSD JO71 221630 -3 1454 <...> 4O/YT4ZZ RR73 221645 -5 1454 4O/YT4ZZ DL4KSD JO71 (x5)
20m
UTC dB Freq Message 182545 -18 1788 4O/YT4ZZ <...> 73 182615 +2 2378 4O/YT4ZZ R6DOP KN93 (x8) 183545 -18 2100 4O/YT4ZZ <...> RR73 (x3) 193115 -12 1232 4O/YT4ZZ G6LEE +02 193745 -16 2372 4O/YT4ZZ <...> 73 193815 -11 2378 4O/YT4ZZ EA7LGN IM67
40m
UTC dB Freq Message 202815 +2 1586 4O/YT4ZZ DL6NDW JN58 (x5) 203245 -20 1980 4O/YT4ZZ OS4K -15 203345 -10 774 4O/YT4ZZ <...> 73 203445 -16 1990 4O/YT4ZZ PD1ACS JO32 (x2) 203515 -24 1712 4O/YT4ZZ <...> RR73 (x6)