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Hi. I’ve read somewhere that a CB antenna with a base coil is less efficient than a center load coil, and that the center load is less efficient than the top loaded one. According to this info. , the top loaded one is the best one ?

Well, maybe nobody knows what I am talking about. Is there’s a way to upload an audio for you to hear the drumming Turner

Hi. Does anyone know the modification which makes this mic sound like drum when you tap the steel head ?

I’ll take the amp to an amplifier builder. He will do some changes to accomplish what you are telling me.

Use it in a semi- truck

Hi. I am looking for 28 volts pills. What number should they be ? I am planing to replace my 4 pills 2SC2879 for ones rated at 28 volts. Any suggestions ?

Anyone ?

Hi. Today I could get a second hand TRAM 1481 antenna. The previous owner didn’t have the manual. I’ve searched the web with no results. Can anyone have pics of this manual or give me a web link for me to download it ? Thanks in advance for the help you may provide.

No more than 500w

Hi Greg. Just make sure to buy a good quality antenna switch. It is ok to use an antenna switch to run several radios. I have a 4 position Alpha Delta switch. The nice features about this switch is that it has surge protection and that the switch in center position, grounds all the radios. Here...

Today I could get it tuned. Like you said, phasing coils probably are different because I tried to tune for MURS by adjusting the length following the instructions of the G7-150-1 measurements. It didn’t work. By using an antenna analizer and some patience, I could tune it to an SWR of 1.2 on...

Thanks for responding BJ. I am not trying to make the G7-144 to work on 2m and MURS at the same time. The idea is to take a 2 meter band antenna ( take it out of 2 meter frequency ) and tune it in MURS by adjusting the length.

Remember, this is a hobby and anyone with any kind of hobby likes to know how things work in their hobby. In my case, I am puzzled how this specific antenna comes in different versions of the same model ( G7 ) . Something must differ on each version. An example: The Sirio 827 antenna is a cb...

Thanks DB for responding but I know what the advertisements say. What I am asking is if there are any difference in coil turns, aluminum quality, tubing length etc. in order to make this same design antenna to work on different frequencies. There is a notable difference in price. There must be a...

Anyone ?

Hi. As you know, there are different VHF G7 antennas ( 136, 144, 150-1, 150-2, 150-3, 150-4 ) My question is: What is the difference, the length and/or the coils turns, the construction? The G7-150’s are rated as commercial ones. I am asking because I plan to buy a 144 because it is cheaper...

Yes it is. Here is a pic

I have this amp with a President Bill FCC. 3 watts carrier, 6 watts swing. I’ve been told it sounds bad when amplifier is at maximum power. I don’t understand why because the most I can get from this amp with this radio is 140 watts. How come is that ? I can understand if you overdrive this...

I contacted this Italian company. They told me shipping would be more than $ 100 dollars. I replied and requested them shipping quote. I will tell you the approximate shipping cost to USA as soon as they give me an answer.