Given that the vast majority of TV's are on Satellite or Cable, is their anything to gain by sticking a Low Pass Filter in the Transmission Line ? Back in the day, they were virtually mandatory, give
Put very simply, NO. And even if a TV is on an outdoor antenna, it's hard to find a good reason for an LPF. Since the final shutdown of analog TV several years ago, nearly all broadcasters have aband
There are still a lot of OTA TVs out there. For the lucky many areas don't have stations left in LOW VHF. In Central Michigan we do and are in the fringe areas for a number of low VHF stations. At th
As a first-order approximation, Jim is correct. However, the low-band VHF channels have not been totally abandoned. There are even new applications for use of these channels. W9WI's web site has a we
The best data for the US is, of course, on the FCC website, and it's quite easy to access (but hard to find if you don't know where to look). The same link will also search AM and FM broadcast licens
Be Careful ... During the conversion of analog to digital TV, there were millions of A to D TV Converter Box's sold to home owners .... the transition channel in getting the output of the converter b
I would call their rigs junk. 73, Jim K9YC _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists
My thought exactly. Even so I also have some junk from the mid 50's. CW only. It is nice to know I can still use it by hooking up my cheap old low pass filter. _______________________________________
This topic is far a field from towers and antennas except a low pass filter still controls fundamental overload of TV sets on an antenna/digital converter. If you really want to get high def TV you m
That is absolutely false. A low pass filter ONLY suppresses harmonics above its cutoff frequency, usually 30 MHz for traditional products. ARRL's definition of "fundamental overload" is that the fund
That doesn't change the Laws of Physics. A low pass filter does not help an old TV any more than it helps a new one. The only thing it does is kill trash produced by a lousy ham rig above the cutoff
Jim: I would not think the rig was at fault...you'd be surprised at the number of old timers still using 1950ies tube type TV sets ... I even see old black and whites in use..... -Bill --Original Mes
Or buying a new TV? This is similar to the problem with cosite interference, e.g. at Field day. if the receiver has insufficient rejection of the fundamental of the interfering signal, no amount of t
I can see my original question has caused this thread to drift a bit. However, I did get a feeling from the group as to their worth, so now to look at my situation and proceed accordingly. Thanks to