Can you make the image larger than 100% on your screen?
Can you mount a magnifing lens in front of the screen (without picking up an image of the sun!)?
Software:
http://www.hauppauge.com/site/suppor...l_monitor.html
Do you have a spotting scope?
I use a telescope to read a field strength meter at a distance. Having someone relay a reading to you doesn't work; there is too much lag in the information feedback loop for aiming an antenna.
I can also have my battery operated signal level meter with me when aiming an antenna:
http://forum.tvfool.com/showpost.php...97&postcount=9
You might have to locate the laptop on the roof with you like
kevm14:
http://www.avsforum.com/t/381623/the...#post_17280909 #11738
Kevin's image repeated in attachment in case the above post link or his image link is broken. The link for his photo is here:
http://kevinallenmoore.com/photo/d/81845-2/IMAG0054.jpg
Obviously, his main problem was trees in the signal path!