DIY "Shorty" Antenna - Road Glide Forums
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post #1 of 11 (permalink) Old 06-07-2018, 02:57 PM Thread Starter
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DIY "Shorty" Antenna

I bought a tourpack, along with the quick disconnect mounting for it, and now my whip antenna is too long. I bought two separate "shorty" antennas to fit under it. One was still too long, and one (about 3" long) has TERRIBLE reception.

So, instead, I grabbed a heavy set of side/wire cutters and cut the factory down to about 6" long, and put a vacuum plug on top. It not only looks completely "factory", but the reception is still phenomenal!

Cost: $0
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post #2 of 11 (permalink) Old 06-07-2018, 06:32 PM
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Agreed, don’t like the long whip. Did the same to mine.


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post #3 of 11 (permalink) Old 06-07-2018, 08:19 PM
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I unscrewed the antenna to test fit the tour pack and haven't put it back in and don't miss it. I only listen to the music on my 32Gb micro thumb drive.

I should just get another rubber plug and plug the hole.
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post #4 of 11 (permalink) Old 06-08-2018, 09:12 AM
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Quote:
Originally Posted by QNman View Post
I bought a tourpack, along with the quick disconnect mounting for it, and now my whip antenna is too long. I bought two separate "shorty" antennas to fit under it. One was still too long, and one (about 3" long) has TERRIBLE reception.

So, instead, I grabbed a heavy set of side/wire cutters and cut the factory down to about 6" long, and put a vacuum plug on top. It not only looks completely "factory", but the reception is still phenomenal!

Cost: $0
without pictures, it didn't happen.
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post #5 of 11 (permalink) Old 06-09-2018, 10:26 AM
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Quote:
Originally Posted by QNman View Post
I bought a tourpack, along with the quick disconnect mounting for it, and now my whip antenna is too long. I bought two separate "shorty" antennas to fit under it. One was still too long, and one (about 3" long) has TERRIBLE reception.

So, instead, I grabbed a heavy set of side/wire cutters and cut the factory down to about 6" long, and put a vacuum plug on top. It not only looks completely "factory", but the reception is still phenomenal!

Cost: $0
Glad its working for you. Keep in mind that you cut the antenna if you have problems in the future. For an antenna to work optimally, its electrical length needs to match the length of the frequency you're tuned to. The electrical length is different from the physical length. Did you notice how the wire wraps around the mast like a corkscrew? It is making a coil, which increases the electrical length. Without the correct length, you may still be able to get the stronger stations, but you'll have trouble with the weaker ones.

You didn't mention it, (and you only talked about 1 antenna) so I assume you don't have a CB radio. If you do have a CB radio, don't transmit with the antenna cut down, you'll fry your CB. Because the antenna is not the correct length, the transmit power will be reflected back into the radio and cook it.
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post #6 of 11 (permalink) Old 06-11-2018, 09:27 AM Thread Starter
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Originally Posted by CantRider View Post
Glad its working for you. Keep in mind that you cut the antenna if you have problems in the future. For an antenna to work optimally, its electrical length needs to match the length of the frequency you're tuned to. The electrical length is different from the physical length. Did you notice how the wire wraps around the mast like a corkscrew? It is making a coil, which increases the electrical length. Without the correct length, you may still be able to get the stronger stations, but you'll have trouble with the weaker ones.

You didn't mention it, (and you only talked about 1 antenna) so I assume you don't have a CB radio. If you do have a CB radio, don't transmit with the antenna cut down, you'll fry your CB. Because the antenna is not the correct length, the transmit power will be reflected back into the radio and cook it.
I did not know that!

No, I have no CB, but that's good information for those who do!

The meat of what I'm trying to say in what I did - I bought TWO "shorty" antennas, whose wire length was (supposedly) correct, yet my manually chopped one works better than either, and it was free!

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Last edited by QNman; 06-11-2018 at 09:30 AM.
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post #7 of 11 (permalink) Old 06-12-2018, 05:00 PM
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I use the following antenna on my tour pack and it screws right on -
Scosche - Replacement Antenna - 13" Mast - Model: RMA900


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post #8 of 11 (permalink) Old 07-23-2018, 01:30 PM
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I just did this mod, and it works good enough. Better than hearing static til my Bluetooth connects.
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post #9 of 11 (permalink) Old 07-23-2018, 09:33 PM
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Quote:
Originally Posted by QNman View Post
I bought a tourpack, along with the quick disconnect mounting for it, and now my whip antenna is too long. I bought two separate "shorty" antennas to fit under it. One was still too long, and one (about 3" long) has TERRIBLE reception.

So, instead, I grabbed a heavy set of side/wire cutters and cut the factory down to about 6" long, and put a vacuum plug on top. It not only looks completely "factory", but the reception is still phenomenal!

Cost: $0
I ran into the same issue, so I basically did the same thing you did, except instead of a cap I put a small skull on the end. My reception suffered but if I get somewhere I can't pick up a good station I just switch to my media.
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post #10 of 11 (permalink) Old 07-27-2018, 05:15 AM
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I cut mine down with a cut-off wheel. I pulled the original end off the mast, sanded the short piece into a point and pushed the oem end back on..just for good measures, used a piece of shrink warp over it too. I still get good reception, when I'm not listening to XM or off my phone.


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