So, I’m not super radio savvy but this is fascinating. Living in DC there are tall buildings everywhere and I would like to build a unit like this to put up on the roof. Would an antenna like this one work?
TRAM 1089-SMA Scanner Mini-Magnet Antenna VHF/UHF/800mhz-1,300mhz with SMA-Male Connector https://www.amazon.com/dp/B01DY8FTD2/ref=cm_sw_r_cp_apa_Ho-7zb2Q5R753