RF Coax Adapter F Female To UHF Male PL-259 Connector From RG8X Coax To RG6 Coax. What is needed is this: RF coaxial coax adapter F female to UHF male PL-259 connector. Sometimes I will use an outside antenna that is not designed for this purpose, and feed it to my police radio scanner or […]
HF Bands Covered: 6 — 160 (192 feet length) The Big Zapper HF Antenna 1. Uses 96 feet quarter wave, or per leg. Copper wire (solid) preferred is AWG #14 or #12. Width is 192 feet total. 2. Uses 65 feet matching stub, feeding with 450 ohm ladder line, and 14 gauge is standard specification. […]
International Morse Code 1. The length of a dot is one unit. 2. A dash is three units. 3. The space between parts of the same letter is one unit. 4. The space between letters is three units. 5. The space between words is seven units. 6. Di is for dot and dah is for […]
The Cobra Antenna Is A Folded Dipole The original Cobra antenna was designed by W4JOH and it’s still being used in the amateur radio cosmopolitan universe. The 80 meter version is considered the standard, simply because it covers nearly all of the bands, and it covers them well. Pertaining to the uber popular 80 meter […]
27 Jun
Posted by RD Bentley as Amateur Radio, Future Tech, Scanner Listening
With → WebSDR a Software-Defined Radio receiver connected to the internet, allowing many listeners to listen and tune it simultaneously. There appears to be a recording feature which enables the user to record and listen to the playback. Frequently Asked Questions can be found here. There’s a map on the bottom of the page that […]
As any experienced ham already understands, propagation is important, but having a good antenna is also critical. If you’re running a Yaesu mobile radio, then you might be interested in this antenna: Yaesu ATAS-120A 40 Meter through 70cm Auto Tune Motorized HF/VHF/UHF Antenna For FT-857D, FT-450DandFT-897D ATAS-120. I was listening to a ham in the […]
After opting for yet another computer upgrade, I decided to pull the SDR dongle from the shelf and give it a go. Installation can be a hassle, but there’s one particular thing that is usually forgotten. TIP REMINDER The dongle must be plugged in before installing the SDR Sharp software.
My aim was to build a 20 meter vertical out of copper, since copper is normally a very good conductor. Recently I bought a couple sections of copper pipe and clamped them together. The sections were 10 feet in length. I may later put up some elevated radials, but for now I am experimenting with […]
As an amateur radio operator, are you interested in digital voice for HF radio? What if you could go digital for just a couple hundred dollars? Thanks to new open source technology, this has become a reality. This is innovative and something to keep an eye out for. Digital technology for VHF radio is coming […]
The Baofeng UV-5R V2 is turning out to be a very popular handheld transceiver for ham operators. It seems like the children are using it for a scanner and FM radio. The Bofeng dualband is so cheap that these little ham radios are flying off of the Chinese shelves. It may be from China, but […]