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Thank you guys for the great replies and correcting me on the terminology.
I understand that there is no difference in 'analog' and 'digital' antennas - just change in station frequencies after the digital switch over.
I did some experimenting:
1. The cable from antenna looked old and ratty and was not full length. I connected another cable using a 4 way splitter lying around (in fact it looked like some specialty connector with three inputs for 'tv and sat input' and four outputs labeled 'to sat receiver'). This setup yielded 8 channels after scan.
2. Then I connected the cheap indoor antenna I got from monoprice without powering it. It yielded 7 channels after scan and some were different than what I got from roof mounted antenna.
3. Then I powered the antenna (it is advertised as low noise amplifier) and after scan I got 25 channels! I was under the assumption that indoor antennas don't need amplifier but for some reason my results were contradicting that.
I think my roof mounted old antenna is not good at UHF frequencies, visually looking at it, it has lots of big elements and not many small elements needed for UHF - maybe I am wrong. I will post a pic of the antenna when I get the chance.
Given that and after I receive my new samsung tv next week, I plan to do the following -
1. Get a new coax cable of full length, get up on the ladder and attach the new cable to existing antenna. Check and scan.
2. Put the cheap antenna on the mast (it is indoor/outdoor variety with weather shielding) and use the new cable. Scan with and without power.
3. If no good result from above setup, order winegard HD7698P and replace the roof antenna with that. Test without amp first and then try the CM3414 amp.
Any other suggestions?
Thanks again.
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