VK3MZ's  80M DF Receiver

In the mid to late 1990's ARDF became popular in the Melbourne area.  As there was no commercial gear around Ian VK3MZ developed an 80M receiver.  A large number of these were built and I was recently working on mine and had a hard time finding the article.  Once I found it I decided that it would be handy to have a copy up on the internet so here it is.  A copy of the article is available here (PDF - about 1.4 Meg)