These three channels were in your database but do not show up anymore. They still exist.
call sign real virtual network antenna coordinates
CBFT-DT 19 2.1 RC 45.505556 -73.591667
CBMT-DT 21 6.1 CBC 45.505556 -73.591667
CJNT-DT 49 62.1 CITY 45.503333 -73.596389
Also you do not show the network for these two
CKMI-DT 15 15.1 GLOBAL
CFTU-DT 29 29.1 SAVOIR