📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: onallbands.com — 🔗 Leggi l’articolo originale Editor’s Note: This article originally appeared in the September/October 2025 edition of “The Canadian Amateur” magazine and is being republished here with permission from the author, Jim Leslie, VE6JF. *** How do you know your new antenna works if you don’t measure it against your old one? I pondered that question when I added a new receiving antenna system. I wanted to know…