time slot

  1. S

    Interferance between two Digital channels on different Time Slots

    Hi everyone, We have upgraded lately our repeater (SLR5500) from Analog to Digital and now we are on DMM mode and using two Digital channels on this repeater by using different time slots (1 & 2), but with the same color code. Now the users are complaining that sometimes an interference is...
  2. D

    MD-380 Time slot shifting

    Hello all, I have an MD-380 with the latest Tytoolz firmware install and when trying to transmit on a given repeater frequency using slot 2, the radio will activate the talk group (e.g. 91 Worldwide) and I can moniter the conversations on that time slot, but it keys up as time slot 1, and...
  3. J

    TDMA w/ DCDM and Talk Groups on Simplex

    Hello all, I apologize for the title; I hate acronyms but what can you do. I am a volunteer fire fighter, and I am investigating different possibilities with our radios. Bare with me because I am not going to get this across properly, but I am interested in knowing if the following is possible...
  4. S

    How long does it take for frequeny info to be posted

    I just submited scanner info and i was wondering how long it takes to be posted. Any info would be very helful thankyou. Also im taking my ham radio test on this saturday where can i enter my callsign like everybody else. Thanks, sincerely KD8***
  5. P

    Relationship between Vocoder and Speech frames.

    Hi Please can you tell me the relation ship between the vocoder we use in Mobile/Portables to the max speech which can be compressed in the time slot( i mean a a given frame of the protocol). Any links, tutorials, or references are welcome. Regards PC