Area Coverage Data Collection
Terrain Analysis Package (TAP)
You can print out this list to help gather the information
for running a coverage study. The links from this page will take
you to other pages that give you more information about the information
needed.
- Is TAP installed on your computer?
- Is your Topo Data Configuration
set to find the topographic data?
- Did you copy topographic data files from one of our CDs to
your hard disk?
- What folder did you copy the data to?
- You can run the SweepTopoData program to send me a list of
where the data files are located.
- You can try the single
point elevation program to be sure TAP is finding the data
correctly.
- What is a description of the study you want to run (such
as "Test study from MySite")?
- What is the name of the base station or repeater site (such
as "Castle Rock Test Facility")?
- What is the Latitude coordinate of the site (such as 39 25
39 N, or 39.4275)?
- What is the Longitude coordinate of the site (such as 104
52 00 W, or 104.8666667)?
- What is the map datum
for the coordinates (NAD27 or NAD83, or "dont know")?
- What is the elevation of the transmitter site above Mean
Sea Level (or "dont know")?
- What is the operating frequency in MegaHertz?
- What is the height of the center of the antenna Above Ground
Level?
- What is the Effective Radiated Power (ERP) of the base station
or repeater?
If you dont know the ERP, it can be computed from other
information
- What is the Transmitter Power Output (TPO) of the base station
transmitter? _____ Watts, dBm, dBW, milliWatts, or kiloWatts
- What is the gain of the base station antenna? _______ dBd,
dBi, or Relative Multiplier
- What losses are associated with the transmitter system at
the base station?
- Transmission line loss ______ dB
If you dont know the line loss, it can be computed from
the line specifications:
- What brand and size of transmission line is used?
- What is the length of the line?
- Circulator losses
- Jumper losses
- Radome losses
- Connector losses
- Combiner losses
- Miscellaneous losses
- What type of mobile receiver will be used with this system?
- Description (such as "Hand-held, Acme Model 1234"
- Typical height of the antenna above ground (such as 6 feet
for a hand-held, 3 feet for a belt pager, 8 feet for a vehicle
mounted antenna, etc.)
- Required Field Strength
in dBu
If you dont know the Required Field Strength, it can
be computed:
- What is the manufacturers specified receiver input
threshold _____ uV, dBuV, or dBm
- What is the gain of the mobile antenna? _____ dBd, dBi, or
Relative Multiplier
- What losses are associated with the mobile receiver?
- Transmission line loss ______ dB
If you dont know the line loss, it can be computed from
the line specifications:
- What brand and size of transmission line is used?
- What is the length of the line
- Connector losses
- Body losses
- Vehicle Losses
- Building losses
- Miscellaneous losses
- Would you like to see the coverage for additional receiver
configurations (different loss values, etc.)? If so, provide
the same information for each additional mobile unit:
- What type of mobile receiver will be used with this system?
- Description (such as "Hand-held, Acme Model 1234"
- Required Field Strength in dBu
If you dont know the Required Field Strength, it can
be computed:
- What is the manufacturers specified receiver input
threshold _____ uV, dBuV, or dBm
- What is the gain of the mobile antenna? _____ dBd, dBi, or
Relative Multiplier
- What losses are associated with the mobile receiver?
- Transmission line loss ______ dB
If you dont know the line loss, it can be computed from
the line specifications:
- What brand and size of transmission line is used?
- What is the length of the line
- Connector losses
- Body losses
- Vehicle Losses
- Building losses
- Miscellaneous losses
- What kind of study do you want to run?
- Radial (compute signal strength along paths radiating out
from the transmitter site, like spokes)
- Tile (compute signal strength at points on a uniform rectangular
grid)
- How far out from the base station do you want to compute
the coverage? _______miles or kilometers
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