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Discussion in 'CB Antennas' started by socal1leg, Jul 17, 2012.
When your budget allows, you could add a Bencher TVI filter, but it probably won't be necessary with a clean output stock rig.
if it's not too late to cancel your order you may want to consider a workman 58 '
W-58 Omni-Directional Antenna - Palco Electronics
same as a maco 5/8 basically
CBRadioMagazine.com - Maco V 5/8 Antenna Review
I just moved(renting) into this house and I don't want to install a big antenna with a ground radial just yet. I haven't meet too many of the neighbors yet so i'm hoping for no issues. I was thinking about adding home brew choke for good measure. This antenna was recommended by a local skip shooter that is helping me with cleaning and tuning the radios.
Well, I actually backed that part out of my comment, because I felt I was getting off topic. However, since you brought it up, I do not feel it is a junk antenna, nor is the A99. I have had many people tell me that they bleed all over the place, and that they are bad for TVI. Never experienced that myself, because I have ran an A99 for nearly 8 years with no complaints from the neighbors. With a 4 element Yagi in the air, I can assure you they would know who's door to come knocking on if I was interfering. And that was running as much as 500 watts through it, too. I ran a Imax 2000 at my Dad's place with a two pill with no complaints, either
What I did recommend was the same thing I'd recommend with ANY ground plane antenna (or beam for that matter), fiberglass, aluminum, or whatever combination someone can come up with. Good basics are good basics, and we should all follow them. Sounds like socal1leg is on the right track.
Never had problems with any R.F. getting into our or our neighbours electronics.
I guess if you don't want to add radials you could use the mast as a ground radial, which basically makes the Imax into a vertical dipole...
so basically the Imax and the A99 are NOT going to perform better than a Vertical dipole cut for the band... IN FACT it will even be outperformed by a typical vertical dipole. WHY??? Well it's simple the Imax and the A99 are nothing more than a piece of wire and a matching coil to control the piss poor match
that being said people will keep buying them and will keep using them
The A99 claims a 9.9dbi gain, BUT in real world testing the A99 actually had a gain closer to 0, in some cases it even had a minor LOSS
I Imax 2000 only does marginally better than the A99.
These types of antennas are made for ease of setup, ease of operation, and low cost operation, they achieve this at the cost of performance.
I have been considering gutting mine and removing the matching device (also shortening the antenna), and adding multiple 1/4 wave radials (at least 4) at a 45° downward slope. But that that point it becomes a a true ground plane antenna. Keep in mind you would still need a matching device to keep the Imax 2000 @ 5/8 wave (or was it .64wave?)
"....... the thickness (or thinness) of the wire used does ......"
i was thinking that electrically the tubing would be seen as a larger diameter wire .
most folks know the 9.9 db gain BS
"..... I have been considering gutting mine and removing the matching device (also shortening the antenna), and adding multiple 1/4 wave radials (at least 4) at a 45° downward slope. But that that point it becomes a a true ground plane antenna. Keep in mind you would still need a matching device to keep the Imax 2000 @ 5/8 wave (or was it .64wave?) ......"
is the matching device loss detectable to human ears ? what matching device do you plan on using that would make a humanly detectable difference ? wouldn't the lower section be destroyed by taking out it matching coils ?
The Imax 2000 EXPOSED!