191 - P25 TDMA Control Channels

What are TDMA Control Channels on P25 trunk systems, and what does this mean for the scanner radio hobby?   What You Need To Know P25 TDMA control channels are different from P25 phase two voice channels. Every single P25 system out there up until this point has used an FDMA control channel. A new addition to the P25 suite of standards defines a TDMA control channel for P25 trunking operations similar to the FDMA control channel. The TDMA control channel supports the same functionality as the FDMA control channel. However, with the use of that TDMA control channel, a single 12.5 K Hz channel supports two virtual channels and can be configured to utilize one or both virtual channels for inbound outbound signaling. Before current P25 systems can migrate over to TDMA, they need to only have Phase 2 Talk Groups All session notes with links to the items we talked about can be found on our website at https://www.scannerschool.com/session191 -------------------------------------------------------------- Free SDR Course! Our new free course will introduce you to Software Defined Radios. "The Ultimate Beginner's Guide to Software Defined Radio: Everything you need to know to get started with SDR in an afternoon" is now open for enrollment.  Register now at https://courses.scannerschool.com ---------------------------------------------------------------   Would you like 1 on 1 help? If you need help with your scanner and are looking for some one on one tutoring, I'd love to help you out.  Visit http://www.scannerschool.com/consulting to book your one hour appointment today! --------------------------------------------------------------Help support Scanner School You can help support Scanner School by visiting our support page at http://www.scannerschool.com/support