Manufacturers of High Quality Amateur Radio / Ham Radio HF Yagi Antennas
New Home of the Force 12 Antennas. The next generation in Design and manufacturing. We have assembled the best team, suppliers and parts manufacturing to provide our clients with HF antennas that will be considered a work of art.
Force 12 XR5 - JK Antennas Store
The XR5-JK is a five band / Multiband Yagi that interlaces 10, 12, 15, 17 & 20 meters on a single boom. This antenna is based on the classic Force 12 design and optimized with a single transmission line feed system.
C3S TriBander Yagi 12 Ft Boom - jkantennas.com
The C3S-JK (Tribander) has been re-designed, optimized & Improved from the very popular Force 12 Tribander . Here are the important changes/features from the classic design .... 1. The feed point for 20M, 15M & 10M are connected using a transmission line, the same way as the JK-MidTri & JK-BigTri. 2.
Reviews For: Force 12 C3 - eHam.net
I just installed a C3E/D model on my 60 foot tower taking down my venerable TH6DXX. I've been researching antennas for more than two years to find the one that was best. Weighing price and performance, I looked at SteppIR, Force-12, Opti-Beam, and Hex-Beam. I opted for the Force-12 C3E/D (100 MPH) because of price versus performance. Also ...
Reviews For: Force 12 C3SS - eHam.net
During the past 10 years the Force 12 line has been acquired by JK antennas. They improved on the mechanical/electrical design and the C3S is still being produced but unfortunately not as the SS with the shortened 20M elements.
Reviews For: Force 12 XR5 - eHam.net
Magnificent antenna Time Owned: more than 12 months. Magnificent antenna, optimum performance, easy to assemble, perfect balance for a ten element antenna. Less weight compared to other antennas of the same quality. High quality materials. Very easy to follow the instruction manual.
RigPix Database - Antennas - Force 12 C3
Back to Antennas Next antenna Last modified 2024-03-26 Force 12 C3 SPECIFICATIONS. Type: Amateur HF yagi, 7 elements: Frequency range / band(s): 10 / 15 / 20 m (12 / 17 m with tuner) Bandwidth: Gain: 12.3-12.6 dBi (Slightly less on WARC), f/b 14-22 dB: Beamwidth (-3 dB):
Amateur Radio / Ham Radio Antennas for Sale
JK Antennas can meet your needs with a wide range of Ham Radio, Amateur Radio HF Antennas, including Monoband, Dualband, Tribander, Multiband, operating on frequencies from 6M to 80M. We are also currently working on designs for Vertical Antennas, so …
Force 12 Antenna designs to be manufactured in CT, USA
2017年5月11日 · Texas Antennas, the current owners of the Force 12 brand have entered into a manufacturing and sales arrangement with JK Antennas in CT, USA. Under the new arrangement, JK Antennas will selectively and progressively make available most of the legacy Force12 yagi models such as the XR5.
Force 12 antennas - WorldwideDX Radio Forum
2005年5月4日 · The Sigma antenna is a center fed half wave antenna that it loaded on both ends in order to give it a 50 ohm match. The antenna is approx 97% efficient. I have used both a custom built Sigma on 146MHz as well as the only living Sigma on 223MHz (currently installed on a mountain top outside of Las Vegas.