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Home > Antenna Reception Map


Please input address below and begin TV signal analysis:

Enter your zip code and find all tv channels and signal strengths in your area. Best TV reception map and TV antenna range map.

If you live in an area where the surrounding terrain, trees or other tall structures nearby may affect your television reception, enter your street address to refine the reception calculations and antenna type recommendations.

Or go to TVFOOL to check TV tower distance for reference.





Use this program to check for the DTV signals that are available at your location. For more information on antennas, see the Antenna Guide.



Signal strength calculations are based on the traditional TV reception model assuming an outdoor antenna 30 feet above ground level. Indoor reception may vary significantly.












DTV Reception Map Tips

  • If searching on city, include state
  • If searching on street address, include city and state
  • Exclude PO Box, Mailbox, APT # in address search parameters
  • Avoid using special characters, such as @, #, $, %, *, etc.
  • Clicking on the red marker on the map and dragging it to a different location will change the search results, based on the longitude and latitude coordinates of the end location.


Using DTV Reception Maps Tool: Guidance for Retail Sales Staff







How to Read the Signal Analysis


Background color

Estimated signal strength

Green

An indoor "set-top" antenna is probably sufficient to pick up these channels

Yellow

An attic-mounted antenna is probably needed to pick up channels at this level and above

Red

A roof-mounted antenna is probably needed to pick up channels at this level and above

Grey

These channels are very weak and will most likely require extreme measures to try and pick them up



What is a Radar Plot report?

These are compact summary reports about your local TV stations that can be download, printed, or shared.  If you want to ask others for advice regarding antenna setup or reception issues, this is a great way to share information about your TV environment so that everyone can see what your dealing with.

The report contains vital information about every tranmitter in your area, including things like signal strength, distance, direction, broadcast channel, callsign, network affiliation, and more.  There's enough information here to address questions like what kind of antenna do you need (small, medium, or large), which frequency bands you need (VHF, UHF), and whether or not you'll need to detect stations coming from multiple directions.  Printed copies of the reports can come in handy when picking a location to install your antenna or when aiming your antenna.

If you're seeking help, these reports can be posted to most online forums or sent via email.  There are many helpful people online that can help interpret these reports. Your exact location will be obscured in the reports so that you can share this information without giving away your privacy.

 



What does all the information in the table mean?



    Callsign

These are the call letters that the FCC uses to uniquely identify broadcasters.

Channel

This is the broadcast channel for the station.  For most digital channels, two channel numbers are listed.  In the world of digital TV, the broadcast channel is usually aliased to a different channel to match a corresponding analog channel (e.g., a broadcast on channel 30 might appear as channel 4.1 to the user).  However, since antenna selection really depends on the broadcast channel, it is more important to pay attention to the first number.

Netwk

This indicates the network affiliation of each broadcaster.  The network names have been abbreviated as follows:

PBS: Public Broadcasting Service
ABC: American Broadcasting Company
NBC: NBC Universal
CBS: CBS Broadcasting, Inc.
Fox: Fox Broadcasting Company
CW: The CW Television Network
MyN: MyNetworkTV
Uni: Univision
Tel: TeleFutura
TEL: Telemundo
Azt: Azteca America
i: ION Television
Ind: Independent

NM(dB)

This is the predicted Noise Margin (NM) of each channel "in the air" at your location, specified in dB.  You must add/subtract any gains/losses you get from your antenna, building penetration, amps, cables, splitters, and other factors present in your situation.  Hypothetically speaking, you need to end up with an NM value above 0 in order to pick up a station.

Pwr(dBm)

This is the predicted signal power of each channel at your location, specified in dBm.  Note that the relationship between NM and Pwr depends on the type of signal being detected.  Analog stations require more power than an equivalent digital station to achieve the same level of NM.

Path

This indicates the path travelled by the signal to get from the transmitter to your location.

LOS: Line-of-sight
1Edge: Single edge diffraction
2Edge: Double edge diffraction
Tropo: Tropospheric scatter

Dist
miles

Distance from your location to the transmitter, specified in statute miles.

Azimuth

Azimuth direction for the transmitter (0=North), relative to true north.  The numbers have been color coded according to the transmitter direction for easier identification of channel clusters.  Transmitters coming from approximately the same direction will have similar colors, matching the colors in the outer ring of the radar plot.

Magnetic north readings are also provided for easy compass pointing.  When using a compass for orientation, the "North" end of the needle should point to the red colored "N" on the radar plot.  You can use the magnetic north azimuth values (in parentheses) to aim your antenna via compass.




Please note:



These predictions are based on a terrain-sensitive propagation model resembling but not identical to the propagation model used when calculating service and interference contours for licensed broadcast television stations. Actual signal strength may vary based on a variety of factors, including, but not limited to, building construction, neighboring buildings and trees, weather, and specific reception hardware. Your signal strength may be significantly lower in extremely hilly areas. Click on a callsign for details about that station's digital upgrade plans.









Which antenna do you recommend for me?


Overall,
HD-400, HD-801, HD-700A, HD-600, BA200, etc.(GREEN Color Zone Antennas): within 40 miles
HD-2605 Ultra, HD-2805 Ultra, HD-8008, HD-8000(RED Color Zone Antenna): for those who really need more gain from your location, ideal 40 to 100 miles; to pick up signals within 40 miles, see Q4








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