Digital modes, like P25, NXDN, DMR and others will use FDMA, TDMA, or both allow multiple transmissions to share a single frequency at the same time. FDMA or Frequency Division Multiple Access divides a current carrier frequency into multiple parts, allowing for multiple users to ...عرض المزيد
330 - SRU108: FM and NFM - Bandwidth is King
Do you program your scanner with FM or FM Narrowband? 🤔 Find out why the right choice matters in our latest Scanner Radio University episode. ==================================== 🛒 Check out our new Merch! ==================================== Squelchy opened his own store sell ...عرض المزيد
329 - SRU107: Simulcast - How to Stop the Pain
Imagine knowing that your scanner radio has a full signal, but you can't hear anything. Maybe you're listening to a p25 trunk system, but you can't listen to any of the activity. You can see your scanner is trying to go to a voice channel. It's trying to work. But you hear no ...عرض المزيد
328 - Ask Scanner School v67
Every month I answer your questions on the podcast. If you have a question you would like me to answer, please leave me a voicemail at 516-308-2885 or by visiting www.scannerschool.com/ask This month, we are pulling questions that were asked via Facebook Messenger. ▶︎ How do I lo ...عرض المزيد
327 - SRU106: Rebanding - How Nextel complicated the scanner hobby
The Nextel Conundrum: Originally established as a convenient communication solution for small businesses, Nextel swiftly expanded its services to include cellular telephony. However, the positioning of Nextel within the RF spectrum, sandwiched besides public safety frequencies ...عرض المزيد