Denco coils substitute
It's been a couple of years since I last delved into radio, an accident at work has left me with more time on my hands than I can cope with, so I decided to build a short wave receiver, I found a circuit described by R A Penfold from about 1976 that uses The now unavailable Denco Green dp coils ( and other denco coils).
Are there any modern equivalents that can be purchased or can anyone advise me on to how to wind my own?
I'm reluctant to buy used / nos for the obvious reasons
Thanks
Martin
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