KFVS is not listed on the TVFool report because of a defective database, but it shows up on the RabbitEars.info report, and is very weak as ADTech says.
With antenna at 10 feet:
With antenna at 50 feet:
CBS is a subchannel on KJNB
http://www.rabbitears.info/market.ph...&callsign=kjnb
and on KJNE:
http://www.rabbitears.info/market.ph...&callsign=kjne
The main problem is the curvature of the earth: