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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.

Since wiring is thicker than a Firestick whip, will it handle the 2,500 watts it states ?

I am asking about the top loaded vs. base loaded because my Sirio base loaded is too high. I live in a rural area with low branches. I have to pay attention to those low branches in order for not hitting the whip. My bad, it is not a Firestick, it is a 3 feet K40 top loaded antenna. It was a...

I have two types of magnet antenna. A Titanium 3001 Sirio Antenna ( around 5 feet long, base loaded with a stainless steel whip ) and an adjustable Firestick Antenna ( around 3 feet long, top loaded, tip is adjustable ) . Which one will perform better ?

That must be a copycat of the Tram

Ok.

Why bump ?

1.1 to 1.2 using the shortest length to reach the antenna.

Yes, they are 105” as well.

I really don’t recall.

They give you extra tubing length because they say it can be tuned to 12 meter band.

Mine is set to 22’ 5” from the bottom of the bracket to top of radiator. I was wrong about measurements from radial plate to top of radiator. I should have said 21’ and 5”.

Yes they do.

Around channel 20

r carl, if you notice on that manual you posted, the antenna length 19 feet long. With that length it will never tune on 11 meter band. It must be lengthened to around 22 feet and 3-4 inches in order to get it on 11 meter band.

Old Super Penetrator instructions states 22’3” = 267” long from radial plate to the tip. Since this new SPT 500 has some minor changes in the Matching Section ( original one used aluminum rods, new one uses aluminum straps ) , I could tune mine by lengthening it to 22’4” = 268”, remember...