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Build your own super scanner antenna

WebSep 1, 2001 · Sep 1, 2001. #1. Antenna Building. A 72 ohm vertical dipole antenna. Step 1: Take 2,953 and divide it by the frequency in Megahertz that you want to. listen to (eg. 2953/144Mhz = 20.5 inches). This is 1/4th of a wavelength. WebFeb 6, 2024 · Joined. Nov 17, 2004. Messages. 2,270. Feb 1, 2024. #1. As a random project, I decided to modify a cheap/unused 144/430 MHz Nagoya NA-771 antenna I had lying around to work best on 700 MHz. I cut the element down to about 7.27" to perform ideally on 772 MHz (middle of the 700 MHz repeater output range) as per KD4SAI's …

Custom Modified 700 MHz Scanner Antenna - RadioReference.com Forums

WebSuper easy!!! You can make this Wifi antenna to extend your Wifi range by hand. First, cut the bottom off of an empty soda can. Next, punch a hole through the center of the can's bottom and screw in your new antenna connector, using a screwdriver. Finally, pierce a hole through each end of the can using a hand drill. WebApr 20, 2013 · How to Build a Gray-Hoverman Super Antenna Putting it together is easy. In addition to the foam core board and copper tape, you'll also need a really cheap balun transformer (which you can get at any … flight lo29 https://craftach.com

Build A Phased-Array Radar In Your Garage That Sees …

WebMar 20, 2024 · The antennas use a 24 volt power supply with a resistor to limit the current to the I think 12 volt relays. I am also interested in the super scanner antenna, so when … WebApr 7, 2015 · To make the low-cost student built radar kits we added a pair of microwave switches and used a switched-array layout nearly identical to the thru-wall radar. These … WebThis guide will teach you how to make a durable discone antenna aimed at the rtlsdr crowd. I will show you how to build a complete discone antenna with just materials from home … flight load checker

Build your own AntennaCraft ST2 Scantenna

Category:From Junk to the Super Scanner Antenna on 10 Meters!

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Build your own super scanner antenna

Build your own Scanner Antenna WorldwideDX Radio Forum

WebApr 5, 2024 · VA. Apr 5, 2024. #2. Probably a discone, or a multiband fan dipole similar to the ST-2. You may want to consider building two antennas, one for low band and VHF, and the other for UHF and above, and combine their outputs with a duplexer to have a single feedline to the scanner. If you want to build a wideband directional antenna, a log … WebThis project has attempted the design for use over the entire 10 meter ham band which is 1.7mhz wide! It "favors" the low end of the 10 meter band with lowest swr around 28.000mhz to 28.300mhz with a 1.3 - 1.4 to 1 swr …

Build your own super scanner antenna

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WebSep 30, 2007 · Re: How to Make a Scanner antenna. « Reply #1 on: August 29, 2007, 06:09:34 AM ». The main reason to use an outdoor antenna is a better Signal/Noise … Webshape the two wires as shown in the diagram. Make loops where it will go under a screw. make sure the loops coincide with the depressions you drilled in the front brace. Be sure to make a loop for the center. This is where the antenna wire will connect when it is mounted on the roof. Picture 1 and 2.

http://hamuniverse.com/10metersuperscanner.html WebUsing the pliers, bend each of the four rods on the corners of the connector downward to a 45 degree angle. Apply the clear silicone to the top of the connector and over the bolts to …

WebFeb 14, 2024 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket … WebMar 28, 2014 · Building A Homebrewed Off-Center Fed Dipole Scanner Antenna. Aluminum/copper tubing construction: You will need to "press fit" the tubing/"T" …

Webbefore beginning, you have to know that there are mainly two type of RFID Reader: 125 khz : antenna of 100 turn coil. 13.6 Mhz : antenna of 3-5 turn coil, more sofisticated can …

WebApr 13, 2013 · The RTL-SDR can be used as a super cheap real time air radar. Modern planes use something called an ADS-B (Automatic Dependent Surveillance-Broadcast) Mode-S transponder, which periodically broadcasts location and altitude information to air traffic controllers. The RTL-SDR can be used to listen to these ADS-B signals, which can … chemists rollestonWebNov 18, 2024 · Put the stress on the pipe, not on the antenna or on the feedline. Pull up your antenna into the trees or your tower very carefully, making sure that it is as close … chemists rosnyWebHere is a simple VHF/UHF scanner radio antenna you can build using very inexpensive coaxial cable and a few parts plus some bits of wire! It should cover receiving only from … flight loadingWebFeb 14, 2024 · The ST-2 is a multi-band antenna with multiple dipole elements tied to a common feedpoint, each element specified for a large range of frequencies (30-50, 108-174, 400-512, 800-950). The main … flight loading gifWebSep 1, 2001 · Antenna Building A 72 ohm vertical dipole antenna Step 1: Take 2,953 and divide it by the frequency in Megahertz that you want to listen to (eg. 2953/144Mhz = … flightloads 培训WebOct 2, 2005 · Jay in the Mojave said: A really good upgarde to the Super Scanner Antenna would to install Baluns at each of the elements (3ea). The Baluns do two things. 1- The Balun applies equal currents to each of the split and insulated elements. 2- The Balun isolates the RF Energy from traveling down the coaxes outer shield. flight load factor n numbersWebBuilding Simple Antennas Introduction When it comes to getting the most enjoyment out of Amateur Radio, there is nothing more important than your antenna system. You can … chemists reynella