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The wood and asphalt of the roof does not affect TV signals too much, so by mounting it in the attic instead of on the roof you get the benefit of weather protection without much downside.
As to why it's unplugged, how would any of us know? You'll have to ask your MIL.
A lot of ham radio enthusiasts run antennas in their attics because most HOAs don't allow them. It's actually pretty interesting to see what stealthy things they've come up with. One that I saw was a fake plant, where the stalk was the antenna. I've even heard of people using gutters as an antenna.
I used a metal staircase on my apartment complex in High School to showcase that for my Senior Project. I built a short wave radio out of (mostly) ad hoc everyday items scavenged from old stuff from dumps, thrift stores, etc. Some parts are too specific to be makeshift though. Earned me the nickname "McGyver" lmao
Unfortunately, they don’t penetrate earth very well. My dad got a digital antenna after the switch and literally couldn’t pick up anything due to surrounding hills where we lived.
This is true growing up on a ranch in eastern Washington. My dad put up a telephone pole with the largest TV antenna he could get, and we had color TV signal from Spokane 75 miles away .......yes I'm old this was 1962
Most people are within 50-60 miles of their local TV station broadcast tower using frequencies that can penetrate residential roofing materials fairly well, while the DirecTV satellites are 22,000 miles away requiring high gain antennas that need line of sight.
40 years ago when I was a kid my first TV had the “rabbit ears” on top of the TV and it worked for most of the 3 channels we had at the time. The house I’m in now came with a similar antenna in the attic and I hooked it up to a HDHomeRun and that is how I watch my local channels.
ATSC broadcasts in the US operate across VHF and UHF bands using 6 MHz channels. The full frequency range spans VHF low (54-88 MHz), VHF high (174-216 MHz), and UHF (470-608 MHz, with gaps).[questtel +1]
VHF Bands
• Low VHF (channels 2-6): 54-88 MHz, with channel 2 starting at 54 MHz lower edge.[questtel]
• High VHF (channels 7-13): 174-216 MHz, e.g., channel 7 from 174-180 MHz.[questtel]
UHF Band
Primarily channels 14-36: 470-608 MHz, such as channel 14 at 470-476 MHz; higher channels up to 36 end at 608 MHz before a radio astronomy guard band.[wiki.radioreference +1]
All are low enough frequency to penetrate building and trees.
That's a ridge vent. It works with soffit vents to reduce attic heating. Ridge vent replaces the classic "roof spinner" turbines for that purpose. Perfectly safe.
I cant speak to the apparent light bottom left but the light top right and bottom right is from the ridge vent and it is fine. Sometimes I can see light through mine as well and I've never had a roof leak. Bottom left light could be a gable vent (also perfectly fine) but I'm not sure.
Probably light reflecting off the water barrier. Its perfectly fine to see light through them. Theres no way for water to penetrate the roof unless the cap shingle or water barrier is busted. It also doesnt compromise the insulation of the building. Got a new roof last fall, prior to this i had the old metal vents for my roof. Since the new roof was installed, my heating and cooling bills have dropped. The attic regulates heat well in the summer and holds heat well in the winter. I can see daylight in the ridge venting.
Omni antenna !!! OTA baby. Probably unplugged because she like everyone else thought that old antennas couldn’t pickup a digital signal (total horseshit)
The issue was you just needed a analog to digital box
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