4 x 4 x 2 electrical junction box (available at big box hardware stores), One PVC DWV Test Cap (available at big box hardware stores in plumbing). He was so impressed that he purchased a 9:1 unit from you, his will be delivered Saturday. However, the radio didn't tune up very well on 15 meters. (The numbers aboveare a great start, thanks to Jack and Mike! Repeater Basics https://elginradio.wordpress.com/2017/10/17/end-fed-half-wave-antennas/. 35. config file by typing gnuplot rw.gnu. 40-30-20-17. Here they are in order: unavailable, a random wire can save the day, but it is important to SO-239 connectors are silver plated with Teflon insulation. Recommended wire lengths for Unun Balun - Webclass.org [ /PDF /Text /ImageI ] Usually any wire length that is non resonant on the band or bands desired will work with the 4:1 ratio. This type of antenna is very easy to install because there is no need . Clansman End Fed Long Wire Antenna Used. When used with the stated Balun Designsis now offering a low power alternative for those who want to use an End Fed Half Wave for portable or temporary installations. PVC Junction Box(Home Depot), 1 x 1/2 in. presents an extremely high impedance to the tu One is for the top of the box so that it can be hung up. EFHW Antenna and 49:1 UnUn | WorldwideDX Radio Forum Ham Radio Videos! End fed 49:1 60ft wire (using coax as the counter poise. 748 0 0 752 0 0 cm Beginning from the 3rd band from the left, the vertical blue lines are: 160M, 80M, 60M, 40M, 30M, 20M, 17M, 15M, 12M, (11M), and 10M bands. a more capable tuner - see AA5TB's End-Fed Half-Wave Antenna Kit - American Radio Relay League Presented for your consideration by Jack, VE3EED. , This is a partial reprint (with permission) of an excellent series of articles published by KV5R
