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  1. T

    M104C Project

    Sigh, I am going to have some difficulty digging the hole for the tower foundation where I want it. Turns out some buried electrical was re-routed when the window well was dug a few years ago when we finished our basement and it was moved further south along the west wall where I want to put the...
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    M104C Project

    It's definitely not easy to undertake this project in an area with not a whole lot of concrete companies especially during a building boom in the general area. I do not want to have to buy 100 80# bags, rent a mixer and hire someone to lift that many bags for me. So far I have not been able to...
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    Carl Built

    Yup, that is where it was.
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    Carl Built

    The new fan I installed in my 200 HDC is a lot quieter than the one that came in it. I also replaced the 8 gauge wire with longer 6 gauge so I did not have to do any splicing etc. It was a great excuse to replace my quite dead 40 year old soldering gun with another basic model. I am using a...
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    Carl Built

    I ended up trying this exact Bencher YA-1 low pass filter on the same amp setup as I had with the RM Italy 27/586 low pass filter and I had the exact same problem i.e. when I un-keyed the mic the S-meter was pegged. One try was enough for me. Experiment over!
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    Powermax PM4-120 amp PSU issue

    I am happy to report that the replacement PSU arrived and works as expected. It is now set at a steady 14.5 volts as recommended by the amp builder. The radio is now running off a Megawatt S-400-12 PSU at about 14 volts. A temporary calm has returned to the shack. ;)
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    Base Station Antenna Interaction

    Agreed, but lifting 80 or more 40 to 50 pound bags of cement multiple times is not something my twice surgically repaired spine and spinal cord really wants to do. I am still considering hiring a few local lads to do the cement lifting part for me and using a rented mixer. Sometimes I have been...
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    Base Station Antenna Interaction

    I currently have a Maco V58 mounted on a heavy duty 32 foot mast. It works well where it is. I also have a new Maco M104C beam still in the box that I will be putting up in the next month or two. My plan A is to install a 40 foot tower, mount the M104C horizontally and the V58 above it with the...
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    Carl Built

    My CarlBuilt 200HDC amp with 2879 hg C transistors in it, SSB bias and SSB delay has this sticker on the back of it. How do you decipher this direction? Not sure where the commas should go. Is it saying I should set the radio's deadkey to an output level that will generate a max dead key of...
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    President Lincoln II+ V4 board question

    I was told this morning that my broken Lincoln II+ has been repaired and my friend footed the bill. I hope it works as well as before the big ape got his hands on it. Should know in a few days. Here's the tech's notes: PROBLEMS: No transmit power output. ANALYSIS: Trace problem to no...
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    Powermax PM4-120 amp PSU issue

    The folks at PowerMax are sending me a replacement PSU. I must admit I am a bit bummed that I won't be having at it and replacing the pot myself. I know I could still do it, but I have a lot of old motherboards, etc lying around I can use to practice my fine-motor butchering skills.
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    Powermax PM4-120 amp PSU issue

    I was not able to get the spray cleaner last night. Not going to poke the tired bear on that one! Along with the voltage going pear-shaped when the adjusting screw is touched at all, I noticed that the green light on the back also flickers at the same time. Some may recognize the name "Red...
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    Anytone at-5555n II (version 2)

    The radio specs on the Anytone site state the operating voltage range for this radio is 13.8 volts +- 20 percent ( about 11 volts to 16.5 volts). How many volts are you running your Q5N2?
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    Carl Built

    The Ferr Rite mix 43 ferrites arrived yesterday but when I tried to install them I found the ID was only 7mm instead of the 13mm ones I had ordered. Back they go and hopefully the correct ones will be sent this time.
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    Powermax PM4-120 amp PSU issue

    Definitely, my wife is picking some up for me on her way home from work today.
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    M104C Project

    After listing all the extra steps and mounting bracket/guy wire stuff I need to get if I buy the Rohn 25G tower, I'm now leaning toward getting the Universal Tower 15-40. I'd still need to get the B-22 footings and pour a bit more concrete, but I think I'd end up with a stronger tower for the...
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    Powermax PM4-120 amp PSU issue

    For the moment I am not going to do anything until I can verify the warranty coverage status.
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    Powermax PM4-120 amp PSU issue

    Yes, I am already using a small, plastic Philips screwdriver.
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    Powermax PM4-120 amp PSU issue

    More fun in the shack. I am working on connecting the CarlBuilt amp to the PM4-120 PSU. The recommendation from CarlBuilt is to run the amp at 14.5 volts so that is what I am attempting to do. I have the toggle set to fixed output, have a voltmeter connected to the PSU terminals and am using a...
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    M104C Project

    I am replacing the Maco V58 on a 30 foot pole with a 40 foot tower with manual winch, Maco M104C mounted horizontally and the V58 above it without the groundplane radials. The antenna arrived yesterday. Now all that is left is: Snow to melt and ground to firm up. Get Digger's Hotline person to...