Leitz Seikkosha TM-20C Theodolite Added to Equipment for Checking Towers for Vertical/Plumb, Pad Layouts, etc. Primarily for use in my broadcast engineering work, I recently acquired a Leitz-Seikkosha TM-20C Theodolite. Ironically, I found it on eBay and in the process of buying it discovered I was purchasing it from a fellow ham radio operator up […]
Category: Stuff
Thank You, Occam – LG 32LC5DC 31″ HDTV Power Problem Solved
Hacking an Altec-Lansing ATP3 Subwoofer for Stand-Alone Operation
I realize this isn’t directly ham radio-related. Well, actually it sort of is, because this project involves a subwoofer which is now part of the system I use for producing amateur radio-related instructional and informational videos, for monitoring DMR radio activity, and other fun stuff. Altec Lansing ATP3 subwoofer purchased at a thrift store but […]
A More Frustrating and Painful Day Than Usual
MY GREATEST FAN Got Off To An EARLY Start This Saturday Morning
This guy who lives up in West Blocton, AL has become a regular “one-man fan club.” We know who he is. If you are interested in more of the bizarre “back story,” read on. He has already gotten an early start stalking this website this Saturday morning. We have to give him credit for being […]
Helper Instruments PS 250 Power Supply Repair
I finally got around to testing this Helper Instruments PS 250 Power Supply which was among some items given to me by a client. With the power supply set for 5 Volts DC output, the ripple was outrageous. Helper Instruments sold out to Zetron Corporation many moons ago, and this power supply hasn’t been in […]
Oops — Repairing My Repair of a Kenwood IF-232C Serial Port Interface
A friend brought a Kenwood IF-232C Serial Port Interface to me a while back asking for a little assistance with repairing it. He had replaced multiple components in it but it still wasn’t working properly. When hooked up to a Kenwood TS-850 radio and a computer, the computer could not communicate with the radio or […]
Now Designing and Building PCB’s In-House
2018 is off to a decent start already, considering that I’ve already accomplished my first personal goal of gathering the “stuff” and setting up to design and build printed circuit boards (PCB’s) in-house. Quite handy for turning designs into actual prototypes and working PCB’s without having to send off the design for someone else to […]
Using the New MiniVNA Tiny to Test Another 6M Beam Building Project
IFR 1600S Added to the Bench
A new tool has been added to the KK4ICE workbench — an IFR 1600S service monitor. The spectrum analyzer and tracking generator functions included in this piece of gear will make the tuning of duplexer cavities, filters, and antennas even easier than before. Add in all the other great features and this machine will serve […]