Search for . Because the 5th edition exists, the 4th edition often sells for $0.99 plus shipping ($4 total). The antenna physics haven't changed. The only thing missing is the updated section on SDR noise canceling. For 99 cents, you get the master's wisdom without the guilt.
It is important to distinguish between legitimate and illegal sources: ON4UN--39-s Low Band DXing Free Download
The phrase "ON4UN's Low Band DXing" refers to the definitive "bible" of amateur radio operating on the lower frequencies (160, 80, and 40 meters), written by the late John Devoldere (ON4UN) Search for
John Devoldere, ON4UN, dedicated his life to this work. He wrote the book to fund the research for future hams. When you steal the PDF, you hurt the ARRL's publishing arm (which is struggling financially) and the legacy of the SK. The only thing missing is the updated section
: New discussions on Software Defined Radio (SDR) and station monitors like the LP-500.