More ABUSE about a person who asked a simple question about how those during WW2 managed to improvise and build a simple xtal set to receive allied news transmissions and German transmissions getting
Stewart This is a simple exercise and NO ONE knows how to do it, plenty of comments and deviations. An analogy 1. Some HI TECH RAF pilots asked to fly a WW2 SPITFIRE and found it difficult and perfor
Mal, I did build a "crystal radio" with a razor blade as detector when I was 14 years old. It had to be rusty to work properly and even then it was a very poor detector. And it is an AM detector, so
Were are now back to hostilities and abuse instead of sticking to the subject and having a poinnt of view. Let us all have your ANSWER. G3KEV I already know all the answers. Yes, as you've told us ma
OK Mal What actually is the challenge then? Just to make an RX using a razor blade as the guys in Coldiz did? An Rx to receive AM broadcast stations on the Medium wave or Long wave BC bands? I think
How would you make the earphone, what bits would you use. How exactly would you use the razor blade, edge, broadside, for actual connection in cct and how would you tweak it for max sensitivity. Dont
In a message dated 07/01/2009 18:06:29 GMT Standard Time, [email protected] writes: More ABUSE about a person who asked a simple question about how those during WW2 managed to improvise and build
Mal, You wrote :- LF etc You previously wrote :- one and have a QSO using this RX g3kev That seems to be the reason why. Gary – G4WGT. From: [email protected] [mailto:owner-rsg
Pat om The newspapers are full of comments every day about how badly A level students are performing, how the pass mark has dropped and how education has declined over the years, and amateur radio ex
Mal, Bearing in mind that I was born in 1943 and did the RAE when it required FULL WRITTEN answers AND hand drawn circuits with worked calculations I consider your remark suggesting an ability only t
Doc Its hard to believe so many people are missing the point. No one has yet mentioned how to make the device. How to set the RAZOR blade detector up and how to construct the EARPHONE needed. What is
PG Although I have not promped you, how did you arrive at this conclusion. Your opinion agrees with mine. Have you arrived at an answer yet? At a pinch I could present the same question in a multiple
Stewart Bryant wrote: mal hamilton wrote: Since I mentioned a Razor blade and fence wire RX a while back I have had several requests for a circuit. To give others the opportunity to submit a cct I wi
I already know all the answers. ... I can see now why noone could pass an examination except it was multiple choice type with all the answers in front of the canditate Now it is official ... we are
Since I mentioned a Razor blade and fence wire RX a while back I have had several requests for a circuit. To give others the opportunity to submit a cct I will await replies. This method was used suc
310113517964 E bay too On Tue, 6 Jan 2009 18:00:45 -0000 "mal hamilton" <[email protected]> writes: Since I mentioned a Razor blade and fence wire RX a while back I have had several requests for
Please answer the question. I did not ask if it could be used on 500 at present., but if so one would TX using MCW or Keyed Tone and old spy tric. g3kev Mal, I did build a "crystal radio" with a razo
