Hi John
copy attached
73
dave G8SZX
John RABSON wrote:
Maplin have been selling these but their paper catalogue does not seem to give detailed characteristics and doing an online search of their catalogue is not practicable as I am typically getting 14.4kb/s on dialup*, which means it takes a minute or more to repaint the page.
I tried e-mailing them but have not had a reply.
aL is easy to estimate with a few turns and an inductance meter, but I would like to know more about these materials. Can anyone help, please?
John F5VLF
*we are promised ADSL in a few weeks but I have been here before
ferrite hem301.odt
Description: application/vnd.oasis.opendocument.text
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