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From The RadioReference Wiki
Digital Radios:
Since 2008, NASCAR staff have been using digital MOTOTRBO TDMA digital format radios for race control and fire/medical response.
All reports indicate these MOTOTRBO channels are encrypted. Two of the MOTOTRBO frequencies are patched to the old analog channels.
- 464.8875 CC 13 (encrypted) [reported in 2018]
- 463.6250 had group 15735975 on slot 1 and 15642315 on slot 2 (CC=11) [reported in 2015]
- 463.2625 had group 10888888 on slot 1 (CC=15) [reported in 2015]
References:
https://forums.radioreference.com/threads/nascar-dmr-mototrbo-frequencies.355164/
https://forums.radioreference.com/threads/coming-down-to-the-nascar-race.333231/#post-2578833
https://tbacomm.com/downloads/motorola/case_studies/nascar_mototrbo.pdf
https://www.rfvenue.com/blog/2014/12/13/nascar-is-one-of-the-biggest-wireless-events-in-the-world
https://www.youtube.com/watch?v=H1qQp_SaIrM
https://forums.radioreference.com/threads/motorola-trbo-and-nascar.171289/
https://forums.radioreference.com/threads/coming-down-to-the-nascar-race.333231/#post-2578833
https://forums.radioreference.com/threads/coming-down-to-the-nascar-race.333231/#post-2578833
Analog:
All but two of the NASCAR officials' channels will be utilizing which can only be monitored by a few scanners, according to the "NASCAR going digital" Radioreference Forum Thread. Still, a few NASCAR officials channels' remain analog, as listed below.
Confirmed May 2019 (source)
- 461.200 432 DPL
- 464.600 631 DPL
- 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
Frequency | Input | Type | Tone | Alpha Tag | Description | Mode | Tag |
---|---|---|---|---|---|---|---|
461.20000 | 466.20000 | RM | 432 DPL | NASCAR-1 | NASCAR-1 | FM | Business |
464.60000 | RM | 632 DPL | NASCAR-2 | NASCAR-2 | FM | Business | |
463.62500 | M | NASCAR-3 | NASCAR-3 | FM | Business | ||
464.77500 | M | NASCAR-4 | NASCAR-4 | FM | Business | ||
451.22500 | M | NASCAR-5 | NASCAR-5 | FM | Business | ||
451.27500 | M | NASCAR-6 | NASCAR-6 | FM | Business | ||
451.42500 | M | NASCAR-7 | NASCAR-7 | FM | Business | ||
451.45000 | M | NASCAR-8 | NASCAR-8 | FM | Business | ||
451.57500 | M | NASCAR-9 | NASCAR-9 | FM | Business | ||
451.52500 | M | NASCAR-9 | NASCAR-9 | FM | Business | ||
461.20000 | M | NASCAR-11 | NASCAR-11 | FM | Business | ||
464.60000 | M | NASCAR-12 | NASCAR-12 | FM | Business | ||
463.62500 | M | NASCAR-13 | NASCAR-13 | FM | Business | ||
451.17500 | M | NASCAR-14 | NASCAR-14 | FM | Business | ||
451.22500 | M | NASCAR-16 | NASCAR-16 | FM | Business | ||
464.50000 | M | NASCAR-16 | NASCAR-16 | FM | Business |
- 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