On 11/4/2018 11:56 PM, condo owner wrote:
I will adjust the length of the wire antenna hanging down from the opener

I have a Garage Butler on both garage doors like this:
https://www.ebay.com/itm/GARAGE-BUTL...4383.l4275.c10
It works really well. It has selected times you want to leave it open
before activating it to close. It also closes when it gets dark. For
safety it beeps really loud before activating the door and while the
door is moving. This ebay price is cheap than I paid 5 years or so ago.