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Servo Magazine Issue worth buying and/or reading plus back to work on the telescoping yagi

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Finally got around to working on the telescoping yagi that I think the spreadsheet I had was on the computer(s) in the mobile office Ford F150 that was stolen in Utah. I think I wrapped up the min and max specifications with the different telescopic antennas I have related to the min and max boom specifications.  I also decided to make an adjustable "U" matching network element or "hairpin" and need to buy two nylon 10-24 1/2" thumb screws.  I think that will take care of everything other than the modification of the antennas where I need to drill out a little larger for 6-32 or equivalent wood/sheet metal screws as well as the reflector antenna trimming down about 3/8" I'm thinking... though might not be critical since a receive antenna only.  Then again, I want to maintain the director, driven and reflector element ratios for optimal performance in the the ~440MHz range max Hz with a calculated new ~110MHz min Hz.

I've been working on recreating …

Detection Project: Update on Modified Dobsonian Mount for Offset Dish & ...

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Detection Project: How to Make a Directed Energy Weapon Detection System for under $50

Detection Project: Radio Directional Finding Passive Pan and Tilt System

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Here are the comments I made and figure I can note here also:

Neat and great detail as always with your works. I finally have a direct TV dish and some other antennas I've picked up for free to use for. I'd like to use one antenna for a background scan (discone most likely) to subtract to reduce noise/unwanted signals and the other antennas for tracking.

I've considered for the altitude/tilt tracking using a semi-circle, or actually might be a little more of a circumference, gear with the axis as close to the back of the parabolic trough or dish as you can so less counterweight required and is more the center of gravity. Kind of built right into the back side of the dish/trough basically. Then having the table rotate for panning maybe using captain chair bearings that can be found cheap like at Walmart in the marine section with the whole system kind of built like the Dobsonian mounts. This instructable kind of has the idea (https://www.instructables.com/id/BUILDING-a-DOB…

How to Increase Your Signal Analyzer's Dynamic Range to See Low Level Si...

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Detection PRojects Update Reminder (Need easy Procedure to download)

Figure I better do a detection project update to remind me to make a procedure that is clearer in detecting the sound correlated with either from, my experience, ultrasonic and/or UHF/microwave signal in the assault that is malicious in intent using directed energy weapons that are sound waves to cause forensically clean medical conditions that can not only injure, maim, murder and mass murder by assailants that make people believe they are telling the truth by any means including torture and mass murdering witnesses and expert witnesses... not only the victims.

 It's like Cocaine Cowboys, American Gangster, Black Mass and other movies that are based on real acts and actors with malicious intent to mass murder their victims... including in ways people wouldn't believe are methods used to cause genocide that are more an intelligence or black ops act(s) of war performed by war criminals that commit war crimes with their terrorists, racketeering influenced corrupt organization, c…