Am monitoring 7197 lsb which is the NorthCars Net - Come on in and after the net we can chat about RFI 73 from Bill WD8ARZ - South Bend, Indiana _______________________________________________ RFI ma
Any AC switching power supply simply can not be as quiet as a transformer type power supply. Also AC switching power supplies have some of their input circuitry across the AC power input any time tha
From about a year ago on this same topic. 73 from Bill - WD8ARZ AC switching type power supplies tend to be very rfi noisy. Transformer type power supplies dont use the the dc to ac to dc switching t
Thanks for sharing that info Howard. I would have thought it was all about money. I use transformer power supplies for the most part .... phones seem to be the biggest exception .... but some times I
Well done Mike, and thank you so much for taking the action you have and keeping all of us informed about it. 73 from Bill - WD8ARZ It appears that at least one of the primary interference generating
If you check the FCC Rules and Regulations for Amateur Radio, no where does it use the word 'hobby'. It does give five reasons for the existence of Amateur radio. Part 97 covers the Amateur Radio reg
Many of today's electronics use AC Switching power supplies. That method avoids the use of transformers saving on cost, weight and size of the device. Instead 'switching' power supplies circuits are
Pure water is an insulator .... water with contaminates in it is what makes it become a conductor of sorts ... Bill https://www.scienceabc.com/pure-sciences/do-you-think-that-water-conducts-electric
First Observation of the Earths Permanent Free Oscillations on Ocean Bottom Seismometers - Wonder of some upper harmonics get felt or heard by human's? Especially if fluid in their ear(s) .... rumors
Have used the radio below for listening on a variety of ham bands, in addition to a.m. / f.m./l.f./shortwave, aircraft bands etc https://www.amazon.com/Tecsun-PL-660-Portable-Shortwave-Single/dp/B004
Have used the radio below for listening on a variety of ham bands, in addition to a.m. / f.m./l.f./shortwave, aircraft bands etc https://www.amazon.com/Tecsun-PL-660-Portable-Shortwave-Single/dp/B004
This little package could be useful for looking an rfi source. Doesnt attract attention while your doing it to boot. Bill / WD8ARZ in NW Indiana ... out == We all enjoy our radios, but sometimes rfi
This little package could be useful for looking an rfi source. Doesnt attract attention while your doing it to boot. Bill / WD8ARZ in NW Indiana ... out == We all enjoy our radios, but sometimes rfi
I dont have the actual numbers David. Maybe that info is on the web somewhere. If you find it, please drop me the url, would appreciate it. However as I said, the Memorex Model MR4240 compares with t
The Memorex MR4240 Size In Inchesis 1.75L x 0.75W x 3.25H -- The PL660 size is 7.4 x 1.3 x 4.5 inches So go with the MR4240 David ..... Bill / WD8ARZ .... out for now ... I was just looking for th