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-   -   F.M. Antenna for Digital R.F. 6 ? (http://forum.tvfool.com/showthread.php?t=16336)

JoeAZ 15-Aug-2017 12:20 PM

F.M. Antenna for Digital R.F. 6 ?
 
Finding an antenna capable of low band VHF these days
is pretty tough. Yes, there is the Winegard 7000 but it
uses extensions to become a VHF low antenna. It also
is pretty poor with UHF, in general. They state it
" Ships as a high-band VHF antenna but includes added
extensions for low-band VHF for greater versatility."
Those extensions are heavy and cause the elements to
fail in high winds.
Since F.M. radio is analog and television is now digital
for the most part, would an F.M. antenna work well
for RF 6 ??? In my area, RF 6 is 500 watts ERP and
there are several 58 Kw F.M. stations atop the same
mountain. Would the radio stations still cause
issues even though they are analog?

ADTech 15-Aug-2017 12:48 PM

If the FM signals are overwhelmingly strong relative to the digital channel 6 signal, the tuner can't sort it out. Nothing you can really do about it easily, depending on the operating frequency(ies) of the FM stations. If the FM frequencies are not too close to the low end of the band, one can filter them.

We discontinued and liquidated remaining inventory of our old 3-element FM antenna awhile back due to low (almost non-existent) sales. It was actually a very decent performer for channel 6. You can still pull up a data sheet for it cached on our website at https://www.antennasdirect.com/cmss_...ibrary/FM3.pdf

A search of ebay shows that the 3FM can be found offered for sale by someone who ended up with some of those liquidated antennas. See https://www.ebay.com/p/Antennas-Dire...enna/691182863 We don't have any connection with the seller.

JoeAZ 15-Aug-2017 4:24 PM

Quote:

Originally Posted by ADTech (Post 58674)
If the FM signals are overwhelmingly strong relative to the digital channel 6 signal, the tuner can't sort it out. Nothing you can really do about it easily, depending on the operating frequency(ies) of the FM stations. If the FM frequencies are not too close to the low end of the band, one can filter them.

We discontinued and liquidated remaining inventory of our old 3-element FM antenna awhile back due to low (almost non-existent) sales. It was actually a very decent performer for channel 6. You can still pull up a data sheet for it cached on our website at https://www.antennasdirect.com/cmss_...ibrary/FM3.pdf

A search of ebay shows that the 3FM can be found offered for sale by someone who ended up with some of those liquidated antennas. See https://www.ebay.com/p/Antennas-Dire...enna/691182863 We don't have any connection with the seller.

One of the FM stations is at 90.9 and the other at 102.1
Would your FM rejection filter help?
I'm going to try a UHF 4 bay bow tie combined with an FM
antenna, both pointed at Mingus Mtn. Would a splitter, used
in reverse work or would there be problems? Better off to
use a UVSJ ??? Thanks for your input. It is appreciated.

ADTech 15-Aug-2017 5:38 PM

Our FM filter will take out channel 6 also so it won't work as you'd hoped.

If you have no high-VHF channels, then either a UVSJ or HLSJ will work. Otherwise, an HLSJ would be the needed device.

You can try a reversed splitter and it might work okay, but it's not the recommended device since we can't predict how the signals will combine in the splitter.


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