The 2001 Toshiba will likely NOT have a digital tuner and the 2006 Sharp CRT will likely NOT have a digital tuner. Here are , converters , tuners , recorders. Some will supply a analog signal to a older analog Tv and some will supply both a analog signal and a Digital HD signal to a Tv or monitor that can display a HD picture.
http://forum.tvfool.com/showthread.php?t=380. Also it is a good idea to keep in mind that new HD Tv's do not cost much money now days and your Tv's are getting older. So now for the reception , you have Way To Many Easy To Receive LOS = Line Of Sight , Digital Tv channels that can be received with simple indoor antenna ,
http://forum.tvfool.com/showthread.php?t=233. Here is how to aim a simple indoor antenna ,
http://www.kyes.com/antenna/pointing/pointing.html . Aim the simple indoor Tv antenna at about 255 degree magnetic compass.