I receive about 47 free hdtv channels in DC metro area on that antena indoors. I am thinking about placing it outdoors.
https://www.channelmaster.com/pages/free-tv-channels-hyattsville-md-20785
If it's at ground level now, putting it in the attic might do about as well as on the roof.
I did purchase the flat cable connection, which allowed me to take the antena from indoors in the basement outside the house.If it's at ground level now, putting it in the attic might do about as well as on the roof.
Now i receive 68 channels. Some are multiples of the same channel, but most importantly there is significant improvement in signal strength. More channels are crystal clear.
https://www.parts-express.com/Flat-Cable-TV-Coaxial-Cable-Coupler-180-206