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Tips for Receiving Digital Channels 12.1, 12.2 & 12.3 Over-the-Air


Check our zip code locator to make sure you are within our over-the-air coverage area.

If you live within our coverage area but are having problems receiving our signal, try the following tips:

  • Check all of your connections.
  • Make sure your antenna is VHF and UHF capable.
  • If you have more than one TV connected to a single antenna, try disconnecting all but one of them and then perform a full channel re-scan. If you are not able to acquire channel 12 and other available local channels, you may need to purchase an inexpensive RF or TV amplifier and place it in front of the splitter.
  • You may need to try different antenna locations in your home, including placement near a window, as high in a room as possible and/or away from other electronic equipment. If all of the above does not provide reception, you may want to use a rooftop antenna or upgrade an existing antenna to potentially provide better reception.

If you are receiving our signal but it pixelates or has other problems, try these troubleshooting tips:

  • Adjust your antenna. Even a small shift of a few degrees can make a big difference.
  • Consider purchasing an inexpensive RF or TV amplifier.
  • Make sure your antenna connectors are in good condition. Sometimes it’s necessary to disconnect and re-reconnect both ends of the cable to remove oxidation. This is especially true for outdoor and attic antennas.

Frequently Asked Questions 


Can I get your three digital channels in Boulder with my over-the-air antenna?

Yes. CPT12 has completed the installation of a new digital translator on Davidson Ridge, overlooking the Boulder Valley. The new translator replaces analog service and provides all three CPT12 digital channels to antenna viewers around Boulder with fill-in service in Longmont, Louisville, Lafayette and beyond.

To receive CPT12’s three digital channels (12.1, 12.2, and 12.3), Boulder Valley viewers will need to rescan their converter box or HDTV tuner and possibly re-aim their home antennas.

Can I get your three digital channels in the Colorado Springs / Pueblo area with my over-the-air antenna?

Yes. On January 13, 2010, CPT12 completed its conversion to full digital broadcast in the Colorado Springs / Pueblo area. These areas formerly received analog service on channel 32 analog. The analog transmission has been discontinued.

Where is your main, over-the-air broadcast area?

On June 12, 2009, CPT12 began broadcasting its three digital channels at full power from its main transmitter site on Squaw Mountain (southwest of Evergreen) to the following areas:

  • Denver Metro
  • Northern Front Range (including Longmont, Greeley & Fort Collins)
  • Eastern and Northeastern Colorado

In these areas, the station's permanent frequency is VHF Channel 13 – which a converter box or HDTV tuner will display as 12.1, 12.2, and 12.3.

Can I get your three digital channels via cable?

This depends on where you live, and which cable company you subscribe to. Check our zip code locator to see which cable services and channels are available in your area.

Can I get your three digital channels via satellite?

This depends on where you live, and which satellite company you subscribe to. Check our zip code locator to see which satellite services and channels are available in your area.

I have basic analog service through Comcast. Why can't I receive CPT12 anymore?

On January 4, 2011, CPT12 moved from Comcast's analog tier to its Xfinity TV service. With this shift, Comcast agreed to pick up CPT12 channels 12.2 and 12.3 (which had previously been unavailable), and extend our service area into mountain communities throughout Colorado. Unfortunately, this upgrade also meant that our primary channel would no longer be available on Comcast's analog tier.

I have the "Digital Economy" package through Comcast Xfinity. Will I be able to see all three of your digital channels?

No. At this time you will only receive our primary channel, 12.1. To receive channels 12.2 (Comcast 251) and 12.3 (Comcast 252), you will need to upgrade to the "digital starter" package or higher. Check with Comcast Xfinity for more information.

I subscribe to DirecTV and receive two channels, 12.1 and 12.2. Why doesn't channel 12.2 match your published schedule?

Although DirecTV calls this channel 12.2, it is actually CPT12's channel 12.3 (MHz Worldview). At this time, DirecTV does not carry our actual channel 12.2 (CPT12 Plus). Because of this anomaly, you should check the program schedule for channel 12.3 on our website, but watch the shows on DirecTV's channel 12.2.

Why doesn't my satellite company carry all three of your channels?

Colorado Public Television continues to work with DirecTV and DISH Network to secure agreements so that each will carry all three of our digital channels. Please contact your satellite company and let them know of your interest!

Not sure where to watch CPT12? Enter your zip code in the field below to find our channels in your area.

Additional Antenna Resources

Need help positioning your antenna? Take a look at these websites:

Contact Us

If you need additional assistance in troubleshooting reception problems for channel 12, please contact the station:

By phone at 303-296-1212 (or toll free at 1.800.727.8812) (Regular office hours: 9am-5pm Monday to Friday.)

By email (please select how you receive our signal):

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