Using a NanoVNA to Fix Our Repeater Coverage

We're phasing two dipole antennas together on our repeater system, but we need to add downtilt - to move the main lobe down toward our main users. This is how you build a delay line to accomplish this using a NanoVNA. ⬇️ Equipment in this video ⬇️ NanoVNA SAA-2N 👉 https://geni.us/YPOGD0 NanoVNA H4 👉 https://geni.us/SqRmO As an Amazon Associate, I may earn from qualifying purchases Some product links are affiliate links which means if you buy something I may receive a small commission. ⏱️Chapters⏱️ 0:00 The problem with our new antenna 2:28 The solution 4:25 How do we do it? 7:25 Maths... 10:49 The delay line 11:57 Using the NanoVNA to measure 16:37 Testing another cable 📺 Watch the next video here 👉 https://www.youtube.com/@HamRadioDX ⬇️ Exclusive Deals ⬇️ 📖 20% off Ham Radio Prep Courses - Use Coupon HAMDX https://hamradioprep.com/ 💰 $15 OFF at Radioddity - http://radioddity.refr.cc/haydenvk7hh 💵 GET 10% OFF Messi & Paoloni Coax - Use Coupon: VK7HH https://messi.it/ 🚀 Support The Channel 🚀 💸 Patreon: https://www.patreon.com/hamradiodx 📺 YouTube Memberships: https://www.youtube.com/channel/UCo_jX41l6nYfnrQuk0qsZFw/join 💲 PayPal Tip Jar: https://www.paypal.com/donate?hosted_button_id=Y8T86VP7G2KFS 🛒 Ham Radio on Amazon & eBay: https://geni.us/HamRadioDX 👕 Merch: https://hamradiodx.myspreadshop.com/ 🅰️ Amazon Store: https://www.amazon.com/shop/hamradiodx 📧 Email: [email protected] Join our TOADs Community 👉 https://discord.gg/97tkMEc #HamRadio #AmateurRadio #nanovna Music: YouTube Sound