OIRT

From HFUnderground

(Difference between revisions)
Jump to: navigation, search
Line 3: Line 3:
The name OIRT comes from the radio and television organization Organization Internationale de Radiodiffusion et de Télévision (OIRT), which was based in Prague . It was considered the “socialist counterpart” to the Western European Broadcasting Union (EBU). The OIRT also had a television standard that deviated from the CCIR 601 for television reception .
The name OIRT comes from the radio and television organization Organization Internationale de Radiodiffusion et de Télévision (OIRT), which was based in Prague . It was considered the “socialist counterpart” to the Western European Broadcasting Union (EBU). The OIRT also had a television standard that deviated from the CCIR 601 for television reception .
-
OIRT FM broadcast band, 65.8 MHz to 74.0 MHz.  10 kHz offset channels.  Lower frequency means longer range but much higher susceptibility to sporadic-E or other skip propagation.  50-75 kHz wide FM WFM W-FM.  Operates in the 66-88 MHz VHF mid band region and can cause major interference to the 70 MHz amateur band / 4 meter band / 4m band and/or land mobile services operating in the 66-88 MHz band.  This includes the license-free 69 MHz and [[RHA68]] services in the Nordic countries.
+
OIRT FM broadcast band, 65.8 MHz to 74.0 MHz.  10 kHz offset channels.  Lower frequency means longer range but much higher susceptibility to sporadic-E or other skip propagation.  50-75 kHz wide FM WFM W-FM.  Operates in the 66-88 MHz VHF mid band region and can cause major interference to the 70 MHz amateur band / 4 meter band / 4m band and/or land mobile services operating in the 66-88 MHz band.  This includes the license-free [[69 MHz VHF CB]] and [[RHA68]] services in the Nordic countries.
Russia and former Soviet republics, Baltic states, Eastern Europe.  Slowly being phased out in favor of the 88-108 MHz FM band.  Still used in Russia and other countries for FM broadcasting (in addition to the now-standardized "Western" FM band).
Russia and former Soviet republics, Baltic states, Eastern Europe.  Slowly being phased out in favor of the 88-108 MHz FM band.  Still used in Russia and other countries for FM broadcasting (in addition to the now-standardized "Western" FM band).

Revision as of 17:42, 15 May 2021

In Soviet Russia, radio listens to you!

The name OIRT comes from the radio and television organization Organization Internationale de Radiodiffusion et de Télévision (OIRT), which was based in Prague . It was considered the “socialist counterpart” to the Western European Broadcasting Union (EBU). The OIRT also had a television standard that deviated from the CCIR 601 for television reception .

OIRT FM broadcast band, 65.8 MHz to 74.0 MHz. 10 kHz offset channels. Lower frequency means longer range but much higher susceptibility to sporadic-E or other skip propagation. 50-75 kHz wide FM WFM W-FM. Operates in the 66-88 MHz VHF mid band region and can cause major interference to the 70 MHz amateur band / 4 meter band / 4m band and/or land mobile services operating in the 66-88 MHz band. This includes the license-free 69 MHz VHF CB and RHA68 services in the Nordic countries.

Russia and former Soviet republics, Baltic states, Eastern Europe. Slowly being phased out in favor of the 88-108 MHz FM band. Still used in Russia and other countries for FM broadcasting (in addition to the now-standardized "Western" FM band).



This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Some links may be affiliate links. We may get paid if you buy something or take an action after clicking one of these.