Awhile back, I was trying to measure a crystal oscillator's frequency (https://www.electro-tech-online.com...sure-external-oscillator.145701/#post-1232291 ). Mike's suggestion appealed to me, and I started searching for a suitable receiver.
A Realistic DX-302 is now on its way to me. Hopefully, it will be a nice Christmas present to myself. I am interested in longwave listening and have found many DX'ing resources. Here is just one example: **broken link removed**
The problem, of course, is that the ferrite will cost more than the receiver did. Are there some cheap sources of ferrite or other recommendations for a cheap, easy to make antenna? One use I am considering is to "listen" to the oscillator in an LCD display at about 240 kHz.
There is a You Tube video of a DIY ferrite made from iron oxide and plaster with no heat treatment. It seems to me that would be a bit too inconsistent product. Anybody have experience with that?
Regards, John
A Realistic DX-302 is now on its way to me. Hopefully, it will be a nice Christmas present to myself. I am interested in longwave listening and have found many DX'ing resources. Here is just one example: **broken link removed**
The problem, of course, is that the ferrite will cost more than the receiver did. Are there some cheap sources of ferrite or other recommendations for a cheap, easy to make antenna? One use I am considering is to "listen" to the oscillator in an LCD display at about 240 kHz.
There is a You Tube video of a DIY ferrite made from iron oxide and plaster with no heat treatment. It seems to me that would be a bit too inconsistent product. Anybody have experience with that?
Regards, John