What is a Bias Tee?
Updated April 2022 A bias tee or Bias-T is one of the most useful Software-defined Radio (SDR) accessories you have likely never heard of. Low Noise Amplifiers are used to …
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Digital Audio Broadcast (DAB) Notch Filter
Table of Contents Quick Summary A DAB notch filter is used to suppress strong Digital Audio Broadcast signals in the VHF Band. These signals can cause radio receivers to saturate …
Baofeng UK Frequency List (UV-5R and other models)
In the United Kingdom – frequency use for Baofeng UV-5R and other two-way radios (as in the USA) is governed by regulations to ensure that transmissions do not interfere with …
Baofeng UV-5R Frequency List
In this post we provide a frequency list for the Baofeng UV-5R – a popular dual-band transceiver used by amateur radio enthusiasts. What is a frequency list? It is a …
How Long is 90 Seconds?
90 seconds is equivalent to one and a half (1.5) minutes or one minute and 30 seconds. 90 Seconds Table Here’s a table converting 90 seconds into various units: Unit …