Balun HAM Band Radio Antenna QRP Tuner Amateur DIY kit NXO-100

Description: NOTICE:This item's shell no punch holes. Because there are three types of antenna position, M seat are the same, different terminal punch locations.Please choose punch antenna location. Small, field erection gantry can be fixed, portable, waterproof. Circular : NXO-100 Circular material: nickel zinc ferrite Magnetic conductivity: 100 Overall dimensions: outer diameter 31 mm * height 7 mm * diameter 18 mm Center frequency: 15 MHZ Application frequency: 1-30 MHZ Waterproof Case Size: 65mm * 60mm * 35mm It production 1:1, 4:1, 9:1 the package using the the large size NXO-100 magnetic ring and 1 mm in diameter enameled wire, can work in the 1-30MHz shortwave, can withstand high power of 100W-200W, such as magnetic Barron's ideal kit. Types of antennas: 1: 1, 1: 4, 1: 9 three production program antenna optional, 1: 1 and 1: 9 is three enameled hinge, 1: 4 is two enameled wire. 1: 9 balun suitable long-term antenna , with manual or automatic antenna tuner tune-day use. 1: 4 balun applicable LOOP antenna to antenna and Winton (200-400Ω). 1: 1 balun antenna suitable for bipolar DP (inverted V n V), such as Yagi antenna (40-100Ω). Kits include 1.5m wire, please fold to 3 fold, each fold 0.5m. 1: 1 winding method: three-wire twisted around 7 laps, stranding extent (about 3-4 times per centimeter) 1: 4 Winding method: two-wire twisted around 8 laps, stranding extent (about 3-4 times per centimeter) 1: 9 Winding method: three-wire twisted around 10 laps, stranding extent (about 3-4 times per centimeter) Note: After stranding, first put heat shrinkable sleeve, and then pass on the ring! Enameled two leaving enough length, a good number of laps around a specified, will be evenly distributed on the magnetic coil, and then start welding enameled wire header and tail . Pack: 1 balun DIY kit Balun Unun DIY kits , which can work in the short-wavelength range of 1-30MHz. 1:1 balun is suitable for bipolar DP antenna (inverted V positive V) antenna such as Yagi (40-100Ω). 1:4 balun for LOOP antenna and Winton antenna (200-400Ω). 1:9 balun is suitable for long-line antennas, with manual day adjustment or automatic day adjustment. It can withstand 100W-200W. It can easily produce high-performance balun to ensure efficient radio transmission and reception. It allows you to fully enjoy the fun of DIY. You will receive the balun kits with the instructions.Or please contact the seller for the PDF instructions. Enjoy.Thank you

Price: 23.37 USD

Location: Lathrop, California

End Time: 2024-11-30T10:16:23.000Z

Shipping Cost: 0 USD