PCS-Electronics

Is there any documentation that I can get anywhere for tuning the top two elements on this antenna? I have an swr meter but I would like to get them as accurate as possible before I put the antenna up because it is a real pain in the ass to get back down or access afterwards.

Yeah, and the antenna was more than 50 feet (15 meters) in the air on a mast. I was relatively pissed when that was discovered BTW.

I will be able to post a photo in about 2 hrs (when I get off work and go home).

The antenna is constructed of metal. It is similar to copper pipeing but I think it may be aluminum. A while back I had a J Pole antenna that had bent and broke that a friend of mine repaired in his shop. I don't really know how he did it, but it appeared as though he took a coupler of some kind and...

First of all, does anybody have a chart or a tuning diagram? The antenna came with markings on the elements for the frequency initally selected. Since that time, I have moved physical locations and as a result I must also change frequencies. Also, my antenna was shot at with a rifle and now there is...

You should not have even posted here. This thread is 3 months old. I have since then solved the problem.

Actually I have a 20 watt amplifier that I use for testing. I hooked that up and went out for a test drive. It sounded absolutely terrible after I got about one mile away. So I went back home and put up my old comet antenna and then it sounded great. I am really not as satisfied with this antenna as...

I do have the unit in an enclosure. It is very professional with a switch and an LED on the outer case, but I have taken that off for testing purposes. Should the amp be mounted with the cooling fins up or down? Right now I have them facing down with the bottom fan sucking air in from under the unit...

Alright, I have made another observation. There is an internal LED inside. I have been watching the meters and performance over a period of about 15 minutes. The amplifer will work properly, and then suddenly the LED will shut off and the performance becomes poor. After a short while it will begin w...

In addition, the amplifer needs 52 volts and 7.5 amps as it is stamped on the unit itself. I tested the power supply with a multimeter after severl minutes of opperation and it is putting out 54.4 volts as it should be so I know it is not an issue with the power supply.

I really do not believe that is the case. I am putting exactly 1 watt into the amplifer as it is supposed to take. When I first turn everything on, it all works great. 1 watt in, 300 watts out. Reflected power 2 watts, SWR 1.2:1 Then after about 5 minuites, something happens 1 watt in, 150 watts out...

Yes, it is an MFJ Dummy Load. It say right on it: 300 watts dry dummy load. I am starting to wonder if this is actually an issue with the antenna once again. It is almost as the equipment begins to heat up it will shut down. I didn't receive any kind of documentation on the 300 watt amp, and I am st...

The input wattage is high enough to drive it. The voltage is correct, and so are the amps going into it. When I hook it up, the amp will put out the full 300 watts, and then after a short period of time it will drop down to about 150. The SWR is about 1.1:1 to begin with, and then it will rise to ar...

With the dummy load, I am only getting 150 watts out.

I am using the FM300PA amplifer and there is an internal adjuster labeled R2. What is that? Could it have anything to do with the problems?

I did specify, but I would still like the directions regardless.

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Thank you.

Yeah, but I thought it was already tuned for the best SWR from the factory. Exactly what am I supposed to adjust? The top elements already have markings on them to show where it is supposed to be.

Old Skool Rap.

Run DMC, Ice Cube, Positive K, Young MC, Paperboy, Etc . . .

I recently purchased the High Gain ¾ Antenna and I have had some problems with it. I need some suggestions. First off it had an N connector on it and I needed an SO-239. So I went and got an adapter from Radio Shack so that was solved. I have a 300 watt amplifier that I used before and it works grea...

I would not recomend that you use that frequency. 87.9 is technically a television frequency. The FM band does not start until 88.1 MHz. I was already contacted by a government agency when I was using that same frequency.