双线J极子天线的制作和测试 J极子(J-Pole)天线由一个1/2波发射元(右图A部分)和一个1/4波驱动匹配器(右图B部分)构成,它等价于一个从末端驱动的偶极天线,因其导体呈J型,故称为J极子。右图是用300欧姆电视天线扁馈线制作的J极子天线(适用于30W以下,简称双线J极子天线)。 双线J极子天线有容易制作、便于携...
The Copper Cactus J pole antenna design is a simple amateur radio antenna model that will allow you to operate both bands with good performance, it is easy to make and the web offer several projects and examples we have collected here below for your reference. 仙人掌模样的铜制J极天线设计是...
A J-Pole antenna disclosed including: shunt segment extending out of the plane of the J-Pole antenna. A shunt segment extending out of the plane of the J-pole antenna aids in attaching the antenna to a connector and allowing for a reduction in the size of the antenna and connector. The...
A J-Pole antenna disclosed including: shunt segment extending out of the plane of the J-Pole antenna. A shunt segment extending out of the plane of the J-pole antenna aids in attaching the antenna to a connector and allowing for a reduction in the size of the antenna and connector. The...
The Big Kansas Coil Vertical Antenna System Ham Radio Fishing Pole Antenna: Catching Contacts on the Wolf River! DIY 6 Meter Moxon Antenna: Boost Your Summer VHF Fun! Recent Comments Amateur Radio Weekly – Issue 314 • AmateurRadio.com on I count down the best ham radio videos of 2023...
KINEEPLE Heavy Duty Stainless steel 20inch for Starlink Pivot mount, Starlink long Wall Mount, Starlink Pole Mount, Starlink Roof Wall Mounting kit, Universal Outdoor AP WiFi TV Antenna J-Pipe Pole Mount Warranty & Returns Warranty, Returns, And Additional Information ...
Antenna Mounting Pole Packing Gift Box Diameter of pole 32mm Thickness 2mm Material Steel Box size 15.5x7x43cm Packaging and delivery Selling Units: Single item Single package size: 15.5X7X43 cm Single gross weight: 0.820 kg Show more
JH-Mech Heavy Duty Widely Application Adjustable J-Shape Stainless Steel Hidden Pole Antenna for Attic Outdoor, You can get more details about JH-Mech Heavy Duty Widely Application Adjustable J-Shape Stainless Steel Hidden Pole Antenna for Attic Outdoor
RF Toolbox is an antenna design and electronics/electrical tool package. It takes you step by step through the design of the following types of antennas: Dipole Fat Dipole Yagi J-Pole Super J-Pole Log Periodic Cubic Quad Vertical helical It...
FIG. 9 illustrates a transmission facility detection system wherein multiple antennas are used to identify the location of a signal source after an omni-directional antenna has detected its presence. FIG. 10 shows a schematic diagram of a system for detecting signals of a transmission facility. ...