Shielded Loop Antennas for the AM Band 

Here are some ideas on how to build your own shielded-loop AM antenna.

Roll Your Own RF Filters 

Here are ways to make an RF filter using transmission line sections.

LBA Group LBA University Cold Exposure Safety 

Online course

Fix it in a Pinch with On-hand Parts 

Here are some ideas for using on-hand parts in some fashion other than what they were originally intended for.

In-house Signal Distribution 

Doug Irwin offers more ideas on distributing FM, AM and TV signals around a facility.

Reception Issues Resolved 

Need to pick up multiple FM signal from different directions? Here are some methods that will capture weak signals.

Tool Cases and Site Security 

Doug Irwin finds some things to keep your tools organized and easy to find.

Layer 2 Switch Troubleshooting and Setup 

More on Layer 2 Ethernet switches. This time we'll look into the setup menu.

Layer 2 Switches in Detail 

Having a spare switch on hand is a great idea. But is it configured and ready to go when it's needed?

Remote Equipment Reset Without an IP Connection 

This outlines how to construct a simple self-contained remote control relay interface that will allow you to remotely power cycle your recalcitrant equipment with an external relay closure of less than 20Vac at 35mA.

Adding Status Inputs to a Remote Control 

Need additional status inputs on a remote control? Here's a way to use a sampling input to display status.

All About Storage 

Connectors, parts and more all need to be stored for easy use. Here are some ideas to organize your supplies.

Convenient Power with Diode Combining 

What do you do when a signaling voltage is needed? Take advantage of what's already available.

Computer Upgrades Can Be a Serial Killer 

Legacy equipment has serial control. New computers don't. Here's what you can do.

Need of a DB Connector 

The number of devices that use serial communications rather than IP and Ethernet is shrinking rapidly, but there are still plenty of serial devices around.

How Much Data in CAP? 

Now that the IPAWS OPEN server is on-line, it makes sense to get your CAP-enabled EAS equipment going.

A Bit More on Ferrites 

Have some ferrites but don't know their value? Here are some resources.

For Want of a USB Charger 

Why carry an ac-to-USB converter with you? Install one at the outlet.

DIY: How to Make Bass Traps 

Chris Wygal built bass traps for his personal studio.

Tech Tips: A Jump on Spring Cleaning 

Some tips on keeping the transmitter site clean.

More on Ferrites 

We look at using ferrites to solve RFI problems, such as those caused by an AM or FM transmitter close to a neighborhood or even businesses.

Tech Tips: Using Ferrites 

Ferrites are helpful components in the fight against RF interference.

Gaining Expertise in Soldering 

Need to improve your soldering skills? This site can help.

Sage Digital Endec Level Setting 

Once you install a new Sage Digital Endec, be sure the audio levels are set properly. One reader discovered they were not.

Setting Up Shop: The Right Connectors 

Need adapters, filters and other tool supplies? Doug Irwin has a list of sources.

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