So what would be considered a larger directional antenna And why would i lose just nbc but still get WNYW (fox)

Im about 18miles west of the city
antenna is about 20 ft off the ground

https://maps.app.goo.gl/8CVhHvUdFE6XRd9w7

https://www.amazon.com/dp/B01MYMVPVX


https://www.amazon.com/dp/B0BMD87BRN?re ... tails&th=1

I can tune my local channels 2 5 7 9 11 and sub-channels BUT NBC 4.1 and all subs have disappeared Ive tried multiple scans resets etc Firmware is up to date etc

Model: HDHR5-2US
Device ID: 106C7DA6
Firmware: 20250815

Here's the info from the box
Send Diagnostics is checked

Any help would ...