Interactive Solutions
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This tour guides you through an interference analysis for a new MAS facility. If you are modifying an existing MAS facility, you would locate the facility in our database and proceed to step 2.
Step 1: Create a Comsearch Account
You will need to create a Comsearch Account login and password to perform the MAS ExpressSM Full Analysis. By entering a credit card, you can begin using MAS Express immediately. Other payment options (Purchase Order and Prepayment) are available but must first be activated by Comsearch after the account is created. You can contact us or call 800-318-1234 for more information on the various payment methods.
Step 2: Launch MAS Express Application
You can easily access MAS Express through the Comsearch home page under Interactive Solutions. You will be directed to an overview page; select the Launch MAS Express link to begin using MAS Express.
Step 3: Log In
You will then be prompted to enter your Comsearch Account login and password.
Step 4: Create or Modify MAS Site
You can create a new MAS site, modify an existing MAS site, or search for an MAS design in progress.
Step 5: Perform a Quick Look
A Quick Look is a simple analysis performed to tell you if any frequencies are available for your proposed MAS facility, and in which portions of the MAS spectrum these frequencies are located. You need only enter the latitude, longitude, and operation mode (fixed or mobile) of your proposed facility, and MAS Express analyzes the location against all MAS facilities in the area and tells you how many frequencies are available.
Step 6: Quick Look Results
The Quick Look results list the number of frequencies available in each MAS band. You can then proceed with a Full Analysis that allows you to view specific frequencies and assign them to your MAS facility.
Step 7: Create MAS Design and Perform Full Analysis
A Full Analysis is more detailed than the Quick Look. It tells you which specific frequencies are available for operation of your MAS system. The Full Analysis analyzes your proposed MAS facility against all MAS systems within the search radius and allows you to assign frequencies and create documentation to obtain an FCC license. You need only enter a few additional fields: Operation Mode, Design Name, Site Name, and Radio Service Code. Once you have created a design, it will be saved and can be retrieved at a later date using the Design Name.
Step 8: Full Analysis Results
For each individual MAS frequency, MAS Express tells you the distance of the closest two co-channel facilities and the closest two adjacent-channel facilities, and offers more detail on all facilities within the search radius. It ranks frequencies based upon closest co-channel distance and informs you either of which channels are clear or of the details of each channel to establish a potential short-spacing agreement.
Step 9: Select Frequencies (up to four 12.5 kHz pairs)
Frequencies are defined by and grouped into six different categories: Eligible and Available, Eligible and Short-Spaced, Ineligible and Available, Ineligible and Short-Spaced, Grandfathered and Available, and Grandfathered and Short-Spaced. You can select up to four 12.5 kHz frequency pairs from any category, if frequencies are available. Waivers or Short-Spacing Agreements may be required for certain categories.
Step 10: Complete Additional Fields
After selecting frequencies, you will see a summary screen listing all fields that you entered, as well as the frequencies that you selected. You will need to complete several additional fields. These include Licensee Information, State, Antenna Information for Master and Remote, Radio Information for Master and Remote, and Transmit Power for Master and Remote. Note: Your licensee, antenna, and radio information must be retrieved from our database. If the information is not in our database, you can request that it be added.
Step 11: Create Supplemental Showing
Click on the link labeled Create Supplemental Showing. Note: Once you create the supplemental showing, you will no longer be able to retrieve or edit your MAS design. Therefore, you must download your supplemental showing immediately.
Step 12: Download Data Sheet and Supplemental Showing
Once you create the supplemental showing, you will no longer be able to retrieve or edit your MAS design. Therefore, you must download your data sheet and supplemental showing immediately. Because MAS spectrum is licensed on a first-come first-served basis, Comsearch recommends filing your MAS application with the FCC as soon as possible.
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