your signal will be a line but you don't know if its left or right. You would either need a second loop heading ort you need to take the antenna and make another reading. You then take a map and draw the lines, were the kines cross, you have a pretty good idea of where the antenna is located, Used to do this in the Navy ]flying where we did a time distance check. We would lock onto a station, and out the station off a wingtip then fly until the needle has moved 10 degrees. From this we did a calculation that told us the approximate mile an d the direction we were to the field,