Quote:
Originally Posted by CanadianOTA
Question 1) Would a large antenna in my attic provide me with any improvement in receiving WSTM and WSYR? Or would it just be a fools errand?
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A large antenna on the ROOF with a low noise preamp is barely possible to pick up WSTM or WSYR. The attic....uh uh.
When determining how much antenna is necessary to pick up a station you must also subtract the system noise figure from the NM value. The system noise figure is determined by a preamp, which is roughly 2 db; and would be necessary in your case. Without a preamp the system noise figure is the noise figure of the TV set plus the loss of the coax downlead, plus losses for mismatches. In the most favorable situation this would total 5 db.
WSTM NM = -10.2
factor in system noise with 2 db NF preamp = -12.2
gain of DB 8e = 15.4 db (at the low end of the UHF band)
net margin for WSTM = + 3.2 db
net margin for WSYR = + 0.4 db
I would expect both those stations to be somewhat unreliable at the net margin values shown.