The Chelsea repeater (WD8IEL), since this trustee assumed its maintenance responsibilities in 2022, has demonstrated an attribute of performance suggesting desensitization. That is, the background RF noise has a magnitude greater than the receiver’s sensitivity. The effect is that the repeater can be heard at a much greater distance than it can be worked. BACKGROUND ELECTRO-MAGNETIC FIELD QUANTIFIED The collective… Read more »
In April 1974, two people were killed in a house fire in Hampton Bays, New York. Fire officials determined that the fire was caused by a faulty aluminum wire connection at an outlet. According to the Consumer Product Safety Commission (CPSC), “Homes wired with aluminum wire manufactured before 1972 [‘old technology’ aluminum wire] are 55 times more likely to have… Read more »
March 14, 2023 Club Meeting at 7 PM by Zoom For the March meeting of the Chelsea Amateur Radio Club (March 14th, 2023), Wesley Cardone will be giving a presentation on paralleling of portable generators. The presentation will examine the electrical theory enabling attendees to understand many other aspects of what happens when you hook to of these things together…. Read more »
Patrons of the Chelsea Amateur Radio Club website blog may recall presentations and blog posts on 5G and your health. Recall that the premise of these presentations was that as an amateur radio operator, you already have all the tools and knowledge that you need to adjudicate for yourself the nature of 5G technology and its potential effect on the… Read more »
In many science writings, it is necessary to reference temperature in the Kelvin scale. But did you know that there are more ways to go wrong in how you pen your temperature than you have fingers to count? One of our members put together a document describing some of these nuances that you may be interested in. Degrees Kelvin or… Read more »
I think that we are all aware of the semi-tractor trailer rigs we see on the highways with dual CB antennas. Obviously, they are trying to direct their propagation forward and to their rear. More than likely, these are simply spliced into a CB transceiver (to their demise) without regard for any specific configuration of transmission or feedline. We found… Read more »
UPDATE: I have secured help on this item. Thank you. ——- My dear amateur radio friends and compatriots: I could really use some help with an article that I am writing for publication in ARRL’s QEX magazine. The article documents a computer simulation fuse model together with its characterization protocol. You can read its abstract here. I have already solve… Read more »
UPDATE: I have satisfied this need. I NEED HELP Greetings to my dear amateur radio aficionados and other friendly geeks with too much time on their hands. 🙂 I have written a paper for submission to the ARRL QEX magazine describing a fuse model and characterization protocol for conserved computer simulation (i.e. Saber, Ansys Simplorer, LTSpice, etc.). It is nearly… Read more »
Please click on the button below to read a blog post by Wes Cardone (N8QM) presenting thoughts on 5G. Note that no conclusions are presented. The post was written with the amateur radio operator in mind and the knowledge that he or she is expected to process by the FCC. Reach your own conclusions. While the rest of the world… Read more »
To join the meeting, look for the Chelsea Amateur Radio Club monthly Zoom meeting link on this website. Class begins on August 2, 2022. What will you learn in each session? Not a lot. We are moving slowly but with determination. The important thing is that you will come away with something. But we beg your patience. We are constantly… Read more »