Hi Rick, Don't forget that in the early days, TenTec used to use magnetic circuit breakers to protect finals. I am not sure how fast the breakers were but they can't be faster than electronic current
Bob and the group, If Mike would extend his feed line to 241 feet (as you have been saying), he would have an SWR at the end of the line of about 2.5-3.0. This is a SWR that can be easily matched by
You can drape it from a tree, wooden pole, etc. As long as it is not near any metal, it will be fine. Get creative here. Do not wind it on itself and keep it 12 inchs away from itself (i.e. do not le
Paul, Communication Concepts stocks the MRF-454s. A matched pair costs $81.50. Here is a link to their web site. <http://www.communication-concepts.com/index.php/components/rf.html?p=2> I hope this h
Allen, The MC68705 is a microprocessor and not an EPROM. It does two functions. It counts the frequency and along with some other parts, displays it. And, as you said, it is also a memory keyer. The
Hi Guys, I can get the boards from China for about $3 each. I have a good friend who can convert the ExpressPCB format to the Gerber format. I would have to buy 10 boards at a time. I would also have
Hi Mike, I don't think we would need any prototypes since the board design has been proven before. Jerry W5JH "building something without experimenting is just solder practice" Jerry, if you can get
Well, after further review, the display board is larger than the small panel size my board house has the best deal on. So, I would have to get a quote on the actual size of the board. It would cost m
I once worked a Cuban station on CW who was using homebrew tube equipment. He was drifting pretty bad (probably just turned his radio on) and he had nice chirp. Over the period of about a half hour w
Hi Steve, What was the load impedance? Jerry W5JH "building something without experimenting is just solder practice" All four of mine measure close to 1.2v p/p Steve G3TXQ On 24/03/2014 20:06, Thomas
Yesterday I saw this short article on QRP-L. It is a short story about W1PID operating portable. See: <http://www.w1pid.com/14/pemi/pemi.html> It seems while he was out and about, he worked Bry, AF4K
Hi Ron and all, I recently purchased a refurbished Dell Optiplex 760 from Walmart. It came with a 1TB SATA hard drive, 3GHz core 2 duo processor, 4 GB RAM, DVD-RW, 8 USB ports, serial and parallel po
All, While I wish the best for both companies (especially Ten-Tec), I have concerns with any merger. I am retired and went through two merges/buy outs. Neither one was pleasant. First, most companies
Barry, Congratulations on winning the QRPTTF. You had an impressive score! Jerry W5JH "building something without experimenting is just solder practice" I think it has dual DACs and two hardware DDC
Google Cumbria Designs (an English company). They sell a huff and puff controller for a reasonable amount (~$46 plus shipping). Jerry W5JH "building something without experimenting is just solder pra
Bob, I have always been told silver oxide is almost as conductive as silver and doesn't need to be cleaned like gold. Jerry W5JH "building something without experimenting is just solder practice" One
Hi All, Has anyone mentioned that MFJ sells the Plate Choke they use on their amps? The plate choke uses a ceramic form 1 inch diameter and 5.5 inch long. It has three connected coils to break up res
Hello Folks, I have a Corsair II in good shape. I have owned it for about 2-3 years. I bought it from a guy in California. The only mod I made to it was to exchange the PTO for a DDS. I kept the PTO
Hi folks, Recently I placed my Corsair II up for sale. I consider the Corsair II to be the best radio of its time. It still competes against the latest and greatest radios. The best part of the Corsa
Hello All, I have a model 263G remote VFO that matches the Corsair II. Using this VFO with the Corsair II gives you dual receive. And, if you are a DX'er, dual receive is a really nice feature. This