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Search: Keyword(s): ; Posts Made By: psouza
Forum: Communications and Electronics 09-09-2014, 01:11 AM
Replies: 5
Views: 296
Posted By psouza
You haven't been too forthcoming with details on...

You haven't been too forthcoming with details on what your current VSWR is. Were you successful in bringing it down below 1.3 / 1.5? If not, make it happen!

You mentioned acquiring "ferrite...
Forum: JK Tech Forum 09-07-2014, 06:42 PM
Replies: 11
Views: 322
Posted By psouza
Just re geared a '14 stick JKUR to 4:56 from 4:10...

Just re geared a '14 stick JKUR to 4:56 from 4:10 to make my 35s tolerable. Better performance now than when it was stock.

Phil
Forum: JK Tech Forum 09-04-2014, 09:00 PM
Replies: 37
Views: 1,917
Posted By psouza
Ain't confusion grand?? We have to start...

Ain't confusion grand??

We have to start some where and work from that point outward. A systematic approach with changing one variable at a time will almost always lead to a successful result.
...
Forum: JK Tech Forum 09-03-2014, 10:55 PM
Replies: 37
Views: 1,917
Posted By psouza
Cheer up :bop: I did a quicky, temporary,...

Cheer up :bop:

I did a quicky, temporary, install on my '14 JKUR for my trip to Alaska and did every thing "wrong" (even though I'm a retired tech) and had no problems. All temporary except for...
Forum: JK Tech Forum 09-03-2014, 12:02 AM
Replies: 37
Views: 1,917
Posted By psouza
An additional thought, after re reading your...

An additional thought, after re reading your initial post. You mentioned ground changes. Normally this would not be a thing I would recommend, but in this case, being so obviously close to the...
Forum: JK Tech Forum 09-02-2014, 11:17 PM
Replies: 37
Views: 1,917
Posted By psouza
Let me give you a perspective that may help you...

Let me give you a perspective that may help you pursue a remedy for the obvious case of common mode radiation that is giving the JK TIPM fits.

All antennas that present a characteristic impedance,...
Forum: Communications and Electronics 07-03-2014, 05:48 PM
Replies: 3
Views: 441
Posted By psouza
Try operating that way for a while and see how it...

Try operating that way for a while and see how it works for you. You are still in better shape than guys with the shorter antennas, mounted low on the tub. Most folks are satisfied with what you...
Forum: Communications and Electronics 07-03-2014, 10:41 AM
Replies: 3
Views: 441
Posted By psouza
Closing the tire carrier, lowers the antennas...

Closing the tire carrier, lowers the antennas tuned frequency. If you can't retune the antenna with the gate closed, you may have to move the antenna.

Phil
Forum: Communications and Electronics 06-29-2014, 11:30 PM
Replies: 25
Views: 8,877
Posted By psouza
It is not possible for a radio malfunction to...

It is not possible for a radio malfunction to cause the VSWR to change. I have had the same symptom (higher VSWR) when my coax cable got water in side it, last spring. But since Texas doesn't get...
Forum: Communications and Electronics 06-29-2014, 08:14 PM
Replies: 25
Views: 8,877
Posted By psouza
Obstructions within the "near field", 36 feet...

Obstructions within the "near field", 36 feet will not have any serious effect on your VSWR reading. Certainly not enough to peg your meter. With meter readings like that, a shorted antenna...
Forum: Communications and Electronics 06-24-2014, 03:13 PM
Replies: 14
Views: 1,421
Posted By psouza
Posts # 8 & #9 bring the subject of grounding in...

Posts # 8 & #9 bring the subject of grounding in a high RF environment into focus. The subject of "Proper Grounding" almost always misses the point that there is NO RF free point in a vehicle with...
Forum: JK Tech Forum 05-13-2014, 03:28 PM
Replies: 22
Views: 1,222
Posted By psouza
Any thing BUT power inverter & 110v compressor. ...

Any thing BUT power inverter & 110v compressor. That is the most power inefficient method possible. Totally impractical.

Phil
Forum: Communications and Electronics 05-06-2014, 08:45 PM
Replies: 7
Views: 587
Posted By psouza
It is not clear to me how sharp a bend you have. ...

It is not clear to me how sharp a bend you have. It is not affecting your operation now but depending on the type of construction and internal materials, the center conductor can pull thru the...
Forum: Communications and Electronics 04-30-2014, 10:18 PM
Replies: 10
Views: 866
Posted By psouza
I am using that same fuse block. You do not...

I am using that same fuse block.

You do not want to connect the winch to that terminal block!! You will connect the winch directly to the battery. Connect other leads that currently go to the...
Forum: Communications and Electronics 04-24-2014, 09:12 PM
Replies: 15
Views: 715
Posted By psouza
This may explain a few things. This is a sweep...

This may explain a few things. This is a sweep of a Fire Stick tunable four footer mounted on my TJ. Markers show the channel boundaries of the CB band as well as the VSWR readings of the...
Forum: Communications and Electronics 04-16-2014, 11:57 AM
Replies: 15
Views: 680
Posted By psouza
bbtj; Good research! New Jeep; After...

bbtj; Good research!

New Jeep; After trying the extended ground strap, a revisit to the details bbtj uncovered would be in order I suppose, I would then do an experimental install of the...
Forum: Communications and Electronics 04-15-2014, 07:12 PM
Replies: 15
Views: 680
Posted By psouza
The surface area of the body sheet metal is what...

The surface area of the body sheet metal is what the antenna uses as a ground plane. (this is a gross simplification) Grounding only to the frame will force RF currents through the factory supplied...
Forum: Communications and Electronics 04-15-2014, 12:15 AM
Replies: 15
Views: 680
Posted By psouza
New Jeep Assigning probabilities to your...

New Jeep

Assigning probabilities to your symptoms, the grounding is the most likely cause. You say you grounded via braided cable to the chassis. If you mean, to the frame, only, that would be...
Forum: Communications and Electronics 04-02-2014, 05:03 PM
Replies: 16
Views: 1,058
Posted By psouza
I agree with you that it sounds logical....but...

I agree with you that it sounds logical....but that degree of mechanical complexity will not be implemented because of cost, lack of mechanical reliability and unwillingness to support an obsolete...
Forum: Communications and Electronics 04-01-2014, 08:19 PM
Replies: 16
Views: 1,058
Posted By psouza
CB radio type acceptance dictates that the radio...

CB radio type acceptance dictates that the radio must contain all active circuits in the same box...no remote mounting allowed. The Cobra WX75 meets this requirement as there is no active circuitry...
Forum: TJ Tech Forum 03-31-2014, 11:54 PM
Replies: 26
Views: 1,193
Posted By psouza
I would dearly love to see you quote a...

I would dearly love to see you quote a scientifically valid source, not a Fire Stick promo, pertaining to coaxial cable length desirability at CB frequencies. The truth is relatively complex, but...
Forum: Communications and Electronics 03-27-2014, 12:09 AM
Replies: 5
Views: 931
Posted By psouza
I currently run a Cobra WX75 that is now about 8+...

I currently run a Cobra WX75 that is now about 8+ years old. For my use, there is nothing better because of stark simplicity and convenience. There are units with more bells and whistles, but for...
Forum: Communications and Electronics 03-26-2014, 11:25 PM
Replies: 5
Views: 931
Posted By psouza
Not to put too fine a point on it, but the Ranger...

Not to put too fine a point on it, but the Ranger 2950 is not type accepted for use on the CB band. If you fancy your self a potential "licensed" amateur radio operator then you must also...
Forum: Communications and Electronics 03-01-2014, 11:59 PM
Replies: 5
Views: 931
Posted By psouza
Correct length for coax in CB installation.

I have lost count of the number well meaning, but misinformed individuals that have offered advice pertaining to the correct length of coaxial cable in a CB radio installation, and promising dire...
Forum: Communications and Electronics 02-19-2014, 08:57 PM
Replies: 7
Views: 377
Posted By psouza
Your observed symptoms of your problem and...

Your observed symptoms of your problem and Scottys are not related. Loss of pixels on LCD displays is common and in fact with some low to mid quality displays / monitors, is the norm. And not...
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