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I can answer that for you Hardhead. Dave is a very good tech. If he says "every single 200 that I've sold has already had the 2290's installed.", then you can rest assured yours has 2290's.

$600 is a lot, but it does have way over $200 in Harbach mods not including shipping or labor (if you can't do it yourself). In addition it has a $300 plus shipping set of tubes from RF Parts (although it seems they are 1 year old). Looks to me like you are getting a fair deal for $600+...

I am going to give an opinion here that may or may not have already been mentioned. So please don't crucify me if it was. The way I see it is that the average guy has a certain height tower he has access to, or pushup pole that he can guy to a certain safe height. If he could go any higher he...

I also recommend anything by Gordon West. He is a very good teacher. One thing you might want to keep in mind is that June is the last month for the current Tech question pool. If you are going to procrastinate at all, don't buy the current book. Get the one for the new test. You will find...

And you thought amplifiers were expensive. You could buy a MASSIVE AC amp for what they just sent down range in 2 minutes.

Yep, you can use it that way if you wish. Are PSK31, AMTOR, PACTOR, RTTY, HF Packet, and all other non-voice modes chat software? How about CW? If I am mobile in Minnesota and key an Echolink enabled station in Minnesota which in turn keys an Echolink enabled station in Nevada (Or Sydney...

The first thing I would try is to turn down the RF Power knob and see if that helps. If you have the deadkey set too high, there will be no headroom left for modulation and the radio will sound weak. If that cures the problem, then I would open the radio and turn VR13 down to a more reasonable...

Understood. Thanks for the reply!

"The choke-type balun is sometimes referred to as a current balun since it has the hybrid properties of a tightly coupled transmission-line transformer (with a 1:1 transformation ratio) and a coil. The transmission-line transformer forces the current to be equal, and the coil portion chokes off...

A great free way to learn is this site. aa9pw.com/radio/ If nothing else you can use it to augment the course of your choice. Sometimes whatever you choose to use runs out of new material before you are ready and you memorize it. That is what happened to me. I used the ARRL CD. It is VERY...

www.signalengineering.com/ultimate/coax_basics.html This should give you all the information you need.

You could use LMR400, you would just have to adjust the length of the coax between the antennas to compensate for the different velocity factors of the coax. The electrical length of 6' of RG213 is 9.09'. To get this same electrical length with LMR400 you would need to use approximately 7.73' of...