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Antenna splitter

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  #1  
Old 06-03-2015, 09:10 AM
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Default Antenna splitter

Is it possible to run a splitter 1 to the batwing in fairing antenna and one to the rear whips. I want to remove the whips and only use them on long rides, I also cover the bike every night and they get in the way.
 
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Old 06-03-2015, 05:32 PM
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absolutely.
 
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Old 06-03-2015, 06:13 PM
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So would that also work together, With an in fairing antenna plus a shorty in back, Equal better recption?
 
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Old 06-03-2015, 06:19 PM
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not too sure about that and I would think no based on theory but allows for the removal of the whip without losing FM reception altogether. I've done it on bikes here and noticed no difference in reception with both connected but also no degradation either. Just more a "creature comfort" than anything else.

Just need to keep in mind that FM is tuned by length of mast and ground points so no way a shorty antenna or an in fairing antenna is going to be able to reproduce the signal strength of a tuned antenna mast. Just gives you "some" reception.

Years ago, car manufacturers got in on the "fad" of diversity antennas. That lasted about as long as in-windshield antennas did. It simply didn't work.
 

Last edited by UltraNutZ; 06-03-2015 at 06:31 PM.
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Old 06-04-2015, 06:02 AM
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What type of splitter are you talking about? All splitters have an insertion loss, not that it matters much if you ride in the primary coverage range of the stations you listen to. With both am and fm bands being so far apart frequency wise, it gets complicated trying to keep a conjugate impedance match for both bands through a splitter. If your in fairing antenna is horizontal and the rear antenna is vertical then yes, it will be beneficial to you and work as a quasi diversity antenna for fm only. In order for it to work on the am band the antenna separation would have to be thousands of feet long.
 
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Old 06-05-2015, 12:07 PM
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Thanks everyone, Just looking for a cheap splitter to pick up a few stations around town (in batwing), but then I'll throw on the whips for longer rides.
 
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Old 06-06-2015, 05:21 PM
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I'm having second thoughts about even trying the two antenna combo. Because the in fairing HD antenna is connected to a power supply and grounded through the radio body I suppose, So if I tied the two together with a common connector that would electrify the other cable all the way back to the mount, Right? and ground to the frame there? Dosen't seem like such a good idea now.
 
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Old 06-06-2015, 07:47 PM
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you're not sending amplified voltage or current down the wire, only an RF signal. The little rectangle box in the center of the two leads amplifies what it sees and sends the amplified signal to the antenna connector.

you're fine connecting them together
 
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Old 01-24-2023, 07:14 AM
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Originally Posted by UltraNutZ
not too sure about that and I would think no based on theory but allows for the removal of the whip without losing FM reception altogether. I've done it on bikes here and noticed no difference in reception with both connected but also no degradation either. Just more a "creature comfort" than anything else.

Just need to keep in mind that FM is tuned by length of mast and ground points so no way a shorty antenna or an in fairing antenna is going to be able to reproduce the signal strength of a tuned antenna mast. Just gives you "some" reception.

Years ago, car manufacturers got in on the "fad" of diversity antennas. That lasted about as long as in-windshield antennas did. It simply didn't work.
I loved the in-windshield antenna on my chevelle, kept the clean lines. Didn’t listen to radio anyway…
 
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