... You do not say what the winding pitch is: my bet is that your loop is close wound, in which case the loop's self- resonance will be at around 2Mhz. (It...
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loopantennas@yahoogro...
Aug 1, 2007 4:02 pm
If you have a link relevant to the group, please post it in the Links section. If you just put it in a message, it will get lost in the shuffle after a few...
... Faraday: Michael Faraday, an English natural philosopher http://en.wikipedia.org/wiki/Michael_Faraday ... A balun provides a BAlanced to UNbalanced (or an ...
Brief Off topic comment -- Feels lit it some days... I liked your "sticky liquid" question, ... but mostly because I feel that is what I am operating in most...
I live in an apartment 13th floor above the ground. I plan to install the loop antenna on the balcony. Although I can install a vertical antenna, I think it is...
Gregory wrote: (snip) ... (snip) ... I have seen no useful replies to your question, and am afraid mine won't be much help. Loopstick coils are custom ...
Hi John , Thanks so much for your helpful reply! ... Heh.. NO replies, except for your's! Was begining to think folks here aren't so friendly. ... Yeah, I...
... The higher resistance winding is most likely intended to be the tuned one. But who knows what frequency it is intended for, or what tuning capacitance was...
Greg, I would venture to say that some of the noise that you are getting from the microwaves are coming through the power lines as well. Depending on the oven...
My neighbors electric wheel chair charger made enough roaring birdies across the entire hf band to make swl impossible.We came to an agreement that since I...
Hah! Think you got it bad... you oughta see all the garbage in the spectrum below 10KHz. Now that's _really_ bad!! Unfortunately that's also the spectrum in...
My brother has taken apart a couple smallish units for their power transformers, and i noted that the power supplies were voltage doublers with one large...
I've experimented over the past couple of years with several variations of loops for receiving AM broadcasts, for dxing and trying to get an elusive station...
Yeah... well... chicks dig it. Chicks love to snub their parents and go out with the bad boy. As a divorce attorney this never made sense to me, as they ...
... It's unidirectional current, not smoothed DC. All the magnetron needs is power with the correct polarity at a sufficiently high voltage, so the PSU is...
... Whoa there..... taking microwave ovens apart for parts !!!! Call me chicken but if there is one domestic appliance that I don't dismantle or fiddle with,...
I don't know that i've ever DXed a micro oven. What do they sound like? Living in an apartment also, i find the worst devices, bar none, are the lamp dimmers....
... Thanks for the advice. I replaced my defective microwave oven a few months ago, and had been thinking of salvaging the magnet. I had a vague idea of the HV...
I have salvaged transformers, magnetrons and various other bits from at least two dozen discarded microwaves over the last couple of years. I have yet to...
Bear, have you noticed that over the years the things are much more cheaply made? Long gone are the good transformers. Eric In a message dated 8/5/2007 7:35:43...
Pardon me for asking this but what the hell do you do with the magnetron tubes? I have worked on microwave ovens since 1982 and I have yet to find a use for...
Sure. Everything gets cheap after the original is introduced. Watch, QVC and the other, Not Sold In Stores infomercials on late night TV. Remember the...
Given a good magnetron usable on the high ham bands. Not many play with microwave these days. Eric In a message dated 8/5/2007 8:00:50 P.M. Eastern Daylight...
I am old enough to remember when most things were repairable rather than throw away. Shame too. Eric In a message dated 8/5/2007 8:04:15 P.M. Eastern Daylight...
Hi: I believe some homebrewers use the megatrons for oscillators in the 2.4 GHz amateur band rigs. I think. Good listening: theboyd ... From: "N4CQR"...
Hi all: I would think that good manufacturing practice dictates the use of bleed-off resistors on these caps to eliminate, or at least reduce the danger posed...
The issue with many of these units is that they are made as cheaply as possible and in countries that have few or no standards. UL listings only apply as to...
