The Generac automatic backup generator system had failed at a client’s transmitter site. It would not fire up and transfer to backup power if the AC mains failed. I diagnosed it down to the 12 VDC transfer control relay, which I replaced. When I left the site, the system was back to operating exactly as […]
Month: November 2018
Demo of Custom Built Arduino-Based RF Power and SWR Monitor
This video is a demonstration showing the RF Power and VSWR Monitor & Alarm System I recently designed and built. The front panel and chassis used to be a Glenayre Power Monitor panel, but after being completely gutted, retrofitted, painted, etc., it is now a custom Arduino-based build. I finished creating and putting the front […]
Testing v2.3 of Arduino-based RF Power & SWR Monitor – LCD Added
These two short videos show the testing of the v2_3 code running on the Arduino-based power and SWR monitoring system I’m developing and building for a client’s Quintron and Glenayre paging systems (but the system can be added to virtually ANY RF transmitter — it’s just a matter of having the correct bidirectional RF power […]
Video Demo and Testing of an Isolator for Transmitter / P.A. Protection
I often get asked “Do I really need to spend the money to purchase an RF isolator and have it tuned for installation on my repeater or transmitter? And, if so, why?” In this video, I demonstrate (and test) a db Products (Decibel Products) DB4613-1A isolator on a 100 Watt paging system, showing how the […]