Herramientas y utilidades para todos los gustos, en ..
Engineer's Notebook
http://radiomagonline.com/tutorials_tip ... _notebook/Engineer's Notebook
Proof of Performance Manuals
In the 1970s, Broadcast Engineering published an FM and AM manual to conduct a station audio proof of performance. We have scanned them and posted them for your reference.
Equipment Manual Archive
We're building an archive of equipment manuals for equipment that is now out of production.
Engineer's Notebook Pullout, part 2
Engineer's Notebook Pullout, part 2
Continental Electronics E-Slide
E-Slide is an electronic sliderule program for the Radio broadcast engineer.
Toolbox.exe
A package of programs for radio broadcast engineers, including FM or STL path calculation, maximum AM DA MP calculation, FCC upper/lower common point/ND base current calculations, power change schedule for up to 14 months, calculate field/loop ratios for AM DA systems, fresnel zone clearance calculator, and more.
Endec Remote
Endec Remote 1.0.2 is a utility to remotely control a Sage Endec from a Windows PC via a serial or IP connection using a serial-to-Ethernet adaptor at the Sage unit.
Two Momentary Switches to a Maintained Switch
Turn two momentary closures into a single maintained contact.
Engineer's Notebook Pullout, part 1
Engineer's Notebook Pullout, part 1
IP Subnets
A handy reference of IP subnets.
Linear Digital Audio Data Rates and Storage
Need to figure the necessary storage sapce for audio files? Use these equations to make it easy.
TCP/IP Port Numbers
In TCP/IP and UDP networks, a port is an endpoint to a logical connection and the way a client program specifies a specific server program on a computer in a network.
Reporting a Tower Light Outage to the FAA
When a tower is not properly lit because of a light outage, the tower owner is required to notify the FAA. Here's how you do it.
Javascript Clock
Insert this Javascript code into your Web page to display the computer's time and date in a form that follows the mouse.
Time Calculations with a Calculator
Adding and substracting time isn't difficult if you know the secret. No special calculator is required.
Commonly Used Conversions
This handy collection of formulas and Java converters will help any radio engineer.
AM Radial Sniffer
Find copper radials in an AM antenna system with a field-intensity meter. These tips show you how.
Passive Audio Attenuators
, By Chriss Scherer
Learn to design T and H pads or use our handy calculator.
RF Resources Online
Online converters, tables and charts for radio broadcasting.
Resistor Color Codes
A convenient color-code chart to determine a resistor's value.
DTMF Information and Examples
Dual tone multi-frequency tones are used for telephony and many remote control applications. This page covers the basics of the DTMF standard and provides playable audio samples.
DTMF Information and Examples
Dual tone multi-frequency tones are used for telephony and many remote control applications. This page covers the basics of the DTMF standard and provides playable audio samples.
Commonly Used Conversions
This handy collection of formulas and Java converters will help any radio engineer.
SWR Calculator
A Java applet that calculates SWR based on the specified forward and reflected power levels.
SWR Calculator
A Java applet that calculates SWR based on the specified forward and reflected power levels.
Determine AM Modulation with an Oscilloscope
Use an oscilloscope to determine the modulation of an AM transmitter.
Determine AM Modulation with an Oscilloscope
Use an oscilloscope to determine the modulation of an AM transmitter.
Tower Light Alarm Circuit
, By Grady Moates
This pseudo-binary circuit allows a single remote-control telemetry channel to indicate several variations on circuit status.
StarGuide Relay Logger
A utility to help diagnose contact closure and configuration errors for a StarGuide broadcast satellite receiver. ZIP file.
Starguide Relay Logger
A utility to help diagnose contact closure and configuration errors for a Starguide broadcast satellite receiver. ZIP file.
FCC ID Number Lookup
Identify computer cards and other electronic components by their FCC ID number.
Tower Light Flasher Failure Alarm
A simple interface and flash-failure circuit to interface to a station's remote control.
SCA Primer for Broadcasters (2002 edition)
, Lyle Henry, CPBE
FM subcarrier services can be source of revenue for an FM station. They can also be a source of aggravation if not maintained properly.
SCA Primer for Broadcasters (2002 edition)
, Lyle Henry, CPBE
FM subcarrier services can be source of revenue for an FM station. They can also be a source of aggravation if not maintained properly.
Electrical Concepts and Practices - a Primer
A collection of articles from Radio magazine's sister publication EC&M.
Western Electric 111C and 119C Transformer Information
Pinouts and schematics for these popular, high-quality audio transformers.
Western Electric 111C and 119C Transformer Information
Pinouts and schematics for these popular, high-quality audio transformers.
Variation on the Shielded-Loop AM Antenna
A variation on the antenna's construction.
Variation on the Shielded-Loop AM Antenna
A variation on the antenna’s construction.
Electronic Symbols True Type Font
A True Type font set with electonic symbols.
Braided Shield Cable Preparation
A simpler, cleaner method of preparing a braided shield for a connector.
