basic

271 links - and 1 categories

2m Quad Antenna - A basic drawing of a 2 meter quad antenna for 144 MHz
[ Hits: 2332 | Votes: 5 | Rating: 5 ]

Umbrella Antenna for 80 Meters - An umbrella antenna is basically just a vertical monopole antenna that is top-loaded with a large end-hat. The hat consists of a number of radial wires that slope away, downward from the top of the antenna.
[ Hits: 925 | Votes: 0 | Rating: 0 ]

The Gamma Match - The gamma match was originally invented as a means of feeding vertical monopole antennas for medium wave broadcasts, which were earthed at the base for lightning protection- Hams are more likely to use a gamma match to feed a dipole or loop element, but the basic theory is easier to understand for the case of a quarter wave monopole.
[ Hits: 957 | Votes: 2 | Rating: 4.5 ]

QRP Z-Match Tuner 40-10m - The Z Match is really a basic L Match consisting of a series capcitor and variable shunt inductor, coupled to the antenna using the RF transformer action.
[ Hits: 1800 | Votes: 0 | Rating: 0 ]
A Homebrew Z-Match Transmatch - A home made antenna tuner based on the W6JJZ basic concept that ,atches balanced loads without the use of lossy baluns, can provide band-pass filtering and harmonic attenuation.
[ Hits: 1101 | Votes: 0 | Rating: 0 ]

Basic Wire Antennas Part I - A presentation of popular wire antenna models like Dipoles, half size, full size, doble zepp, ocf dipoles, G5RV
[ Hits: 1651 | Votes: 0 | Rating: 0 ]
Basic Inverted V Antenna - The Inverted Vee is the most popular antenna used by Ham Radio Operators, because it's very inexpensive and requires very little time to put up in the air
[ Hits: 1330 | Votes: 4 | Rating: 7.25 ]

Keysight (Agilent) Signal Generator - Keysight offers numerous baseband, RF, and microwave signal generator (signal source) products. From basic to advanced, baseband to 67 GHz, Keysight signal generators are capable of frequency extensions to 500 GHz with millimeter-wave source modules.
[ Hits: 238 | Votes: 0 | Rating: 0 ]

Beginners Guide to Amateur Television - This article is intended as a basic guide for getting started in ATV, it is also worth having a chat with one of the growing numbers of ATV enthusiasts within MKARS.
[ Hits: 220 | Votes: 0 | Rating: 0 ]

A Basic Introduction to EME - Bouncing a signal off the moon so you can communicate with other people
[ Hits: 546 | Votes: 3 | Rating: 5.67 ]

How do Repeater Work ? - Basic Radio Awareness Introduction to Radio Communications Principals, how repeater work
[ Hits: 205 | Votes: 0 | Rating: 0 ]
Using Repeaters - The Basics - Article about accessing repeaters, how repeaterss works, and properly using an amateur radio repeater
[ Hits: 250 | Votes: 0 | Rating: 0 ]

What is Radio Propagation - RF propagation - Discover the key facts about what radio propagation is, the different types available and how they affect different frequencies.
[ Hits: 198 | Votes: 1 | Rating: 10 ]
An Introduction to HF Propagation - This article is designed to be an introduction to the terms and basic mechanics of propagation methods that are to be found on the HF and VHF bands.
[ Hits: 1118 | Votes: 3 | Rating: 7 ]

tabLog - tabLog has been written to offer basic logging when /P and allows for easy import into your Shack-based log via ADIF. Best performance is with a tablet in landscape mode and using a small Bluetooth/micro-USB QWERTY keyboard � QSO entry via this method is simple, and efficient.
[ Hits: 358 | Votes: 0 | Rating: 0 ]

16 DTMF Tone Generator Keypad App - This app will give you a 16 tone DTMF keypad and the ability to generate custom DTMF sequences, and set the duration and tone to silence ratio. Includes the characters 1234567890*# and the menu tones ABCD. You may enter a custom sequence via the keypad, soft keyboard, or speech if your device already has speech-to-text capability. This is basically a touch tone telephone keypad, which may be of interest to amateur ham radio repeater operators
[ Hits: 729 | Votes: 4 | Rating: 7.75 ]

RF filter basics tutorial - an overview, introduction or tutorial about the basics of electronics filters including the types of filter and the various filter design considerations and parameters
[ Hits: 312 | Votes: 0 | Rating: 0 ]

Superheterodyne Radio Receiver - Key details about the superhet or superheterodyne radio reeiver: basic overview; how it works; applications; design notes, all you need to know.
[ Hits: 326 | Votes: 0 | Rating: 0 ]

A CAT-5 Tester for Ham Radio - A Neat Little Tool For The Bench. The basic information needed when testing a multi-conductor cable like CAT-5 is that each wire in the 4 pair cable goes to the correct pin in the RJ-45 plug and that all crimps are solid.
[ Hits: 331 | Votes: 0 | Rating: 0 ]

What is a Vacuum Tube - Read all the key details about Vacuum Tubes or Thermionic Valves that provided the foundations for today's electronics technology.
[ Hits: 281 | Votes: 2 | Rating: 10 ]