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All race communications between car, spotter and driver are analog in the clear.  In fact, since 2013 NASCAR has banned all digital radio usage by teams during races ([https://www.nascar.com/news-media/2013/09/14/teams-digest-rules-spanning-racing-to-radios/ source]).
 
  
The practice of car to car communication was banned in 2012 to prevent tandem drafting at the superspeedways.
 
 
'''Digital Radios:<br/>
 
Since 2008, NASCAR staff have been using digital  [[MOTOTRBO]] [[TDMA]] digital format radios, including channels (talkgroups) for race control and fire/medical ([https://www.youtube.com/watch?v=H1qQp_SaIrM source]).
 
 
All reports indicate these MOTOTRBO channels are encrypted.  Radioreference listeners have reported the following in use at multiple NASCAR events ([https://forums.radioreference.com/threads/nascar-dmr-mototrbo-frequencies.355164/ source]):
 
*464.8875 (CC=13) (encrypted) [reported in 2018]
 
*463.6250 had group 15735975 on slot 1 and 15642315 on slot 2 (CC=11) (encrypted) [reported in 2015 and 2016]
 
*463.2625 had group 10888888 on slot 1 (CC=15) (encrypted) [reported in 2015]
 
 
 
 
'''Analog:<br/>
 
Two of the MOTOTRBO frequencies are patched to the old analog channels for fans and NASCAR teams to monitor.
 
*461.200 432 DPL - NASCAR Race Control*
 
*464.600 631 DPL - NASCAR Race Control*
 
<nowiki>*Confirmed May 2019 </nowiki>([https://forums.radioreference.com/threads/2019-nascar-frequencies.389047/ source])<br/>
 
 
 
For former analog NASCAR officials frequencies, see [https://www.radioreference.com/apps/db/?aid=4730#scid-45350 here].
 
  
  
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*NASCAR 1 & 11, Race Control 461.200
 
*NASCAR 2 & 12, Race Control B/U 464.600
 
*NASCAR 5 & 15, Safety 451.225
 
*NASCAR 10 Qualifying 451.575
 
*RACE CONTROL 461.200
 
*RACE CONTROL B/U 464.6000, 463.625(463.625-DMR, heard at Michigan June 2016)
 
*SAFTY/FIRE 451.2250
 
*NASCAR Weather 467.8500
 
 
<freqsubcat>45350</freqsubcat>
 
*451.575  and 451.175 were reported as being used for scoring on this same wiki page in 2006, but it's unknown at this time if those frequencies are now unmonitorable.
 
  
  
  
 
https://www.rfvenue.com/blog/2014/12/13/nascar-is-one-of-the-biggest-wireless-events-in-the-world
 
https://www.rfvenue.com/blog/2014/12/13/nascar-is-one-of-the-biggest-wireless-events-in-the-world

Revision as of 16:19, 28 May 2019