Building a 9:1 UNUN With FT-140-43 Toroid.
11:21
Testing 9:1 UNUNs, T106-2 VS FT-140-43.
44:36
#131 Balun PART 4: How to build an effective working 9:1 Balun for 800W input power
1:10:43
Mini UNUNs 49:1 and 9:1 (production process)
14:19
How to make a 9 to 1 autotransformer (UnUn)
5:11
Modificated RANDOM WIRE ANTENNA with 9:1 UnUn (part 2)
13:50
Building an Electric Bike Without Electronics
3:56
You are using the WRONG toroid for an EFHW Antenna, Maybe! Easy and Quick Method to Determine.
7:11