• Effective immediately we will be deleting, without notice, any negative threads or posts that deal with the use of encryption and streaming of scanner audio.

    We've noticed a huge increase in rants and negative posts that revolve around agencies going to encryption due to the broadcasting of scanner audio on the internet. It's now worn out and continues to be the same recycled rants. These rants hijack the threads and derail the conversation. They no longer have a place anywhere on this forum other than in the designated threads in the Rants forum in the Tavern.

    If you violate these guidelines your post will be deleted without notice and an infraction will be issued. We are not against discussion of this issue. You just need to do it in the right place. For example:
    https://forums.radioreference.com/rants/224104-official-thread-live-audio-feeds-scanners-wait-encryption.html

2019 NASCAR Frequencies

dgregjones

Member
Premium Subscriber
Joined
Oct 9, 2010
Messages
49
Location
New Hampshire
Each team/driver frequency also uses a CTCSS or DCS tone code. The tone codes prevent bleed over on the frequencies which is common at race tracks due to all the transmissions being in such close proximity.
Make sure you have the correct tone or you will not hear any of the transmission.
 

evilbrad

Member
Joined
Aug 11, 2004
Messages
211
Road America xfinity weekend. csq if not mentioned nbc sports
450.1375 (155),2125, 2375 (162), 3375 (172),3500(172),3750,4375 (205),
450.900 *digital*
 

cubn

Member
Database Admin
Joined
Dec 22, 2004
Messages
1,187
Location
Marion/Johnson County, IN
Heard 464.8875 CC13 SL1 TG 10000010 (DMR encrypted) during the 2019 NASCAR Brickyard 400 practice session today. This has been reported in years past in use by NASCAR officials. Radio IDs were 1700s and 1800s.

I could hear 461.200 DCS432 at the same time quite often but my reception of 461.200 was so faint (3 miles away from the track) that I can’t confirm if it’s always simulcast.

Didn’t confirm any other NASCAR or media related analog or DMR activity other than IMS track channels already listed in the Indiana Sports wiki page. IMS track safety mentioned something about a “channel 1A” in the NASCAR radios.
 
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