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.
Now that the IPAWS OPEN server is on-line, it makes sense to get your CAP-enabled EAS equipment going.
Why carry an ac-to-USB converter with you? Install one at the outlet.
Have some ferrites but don't know their value? Here are some resources.
Some tips on keeping the transmitter site clean.
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.
Ferrites are helpful components in the fight against RF interference.
Once you install a new Sage Digital Endec, be sure the audio levels are set properly. One reader discovered they were not.
Need adapters, filters and other tool supplies? Doug Irwin has a list of sources.
Need to improve your soldering skills? This site can help.
Recycle an old vending machine to keep the jocks happy.
No need for an editing program if you can get the command line in Windows.
A common restaurant trick might save your device.
Get that hard-to-reach nut back in place.
Take a tip from the guitar players to keep things in place.
These former mainstays of telephone circuits are audio gold.
As anyone who has tried to use a cellphone at a mountain top site knows, often coverage is spotty. Some rural transmitter sites are so rural they can't support a reliable connection to the PSTN.
Before the day the riggers are on the tower looking down at you expecting an answer, consider just how to set a bearing angle in the field.
The ULS is one of those websites that has way more information than you'll ever need; here's how to make sense of it all.
Dehydrators and nitrogen are the common gas sources, but are you absolutely sure of the line pressure and supply pressure?
Need a wireless IP link at a remote site? Here are some ideas to try.
The slowest link in the chain determines the overall data rate, but there are some tricks you can use to speed transfers.
Check the speed of your Ethernet connection with Doug Irwin.
An intermittent audio dropout is a real head-scratcher -- until the common pieces are put together.
More useful radio engineering apps for your iPhone.