TAP Fixed Facility Import Fields
(Minimum Requirements)

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The following table lists the fields that can be imported into the TAP Fixed Facility database using the Facility Exchange Format (FXF).

By "Minimum Requirements", we mean the most essential fields that are necessary for the most common functions in the Terrain Analysis Package (TAP) software, such a drawing path profiles or basic coverage studies.

The FXF file can be

 

Since the FXF import function uses the Field Names from the table below to map the imported fields to the TAP Fixed Facility database, the order of the fields in the file is not important.

Also, since the FXF import function uses the Field Names, it is not necessary to import all of the fields.  Missing fields will be ignored.  Naturally, several fields are related (such as the antenna height and the height units) and should either both be included or both be omitted.

The Field Header column is used internally by TAP and can be ignored for the import process.

The Comments column describes the general use of the field and what it should contain.

 
Field Name Field Header Data Type FoxPro Data Type Total Field Width Field Decimal Places

Comments
FAC_DESC DESCRIPTION STRING C 40 0

Text description of the facility
FAC_LAT Latitude DOUBLE F 14 9

Facility (tower) latitude (+ for North, - for South)
FAC_LON Longitude DOUBLE F 14 9

Facility (tower) longitude (+ for East,  - for West)
FAC_DATUM Datum STRING C 13 0

Facility coordinate datum

NAD 27  or NAD 83
FAC_ELV Site Elevation DOUBLE F 10 4

Site elevation AMSL
FAC_ELVUN Elevation Units STRING C 2 0

Units for site elevation

m for meters or ft for feet
FAC_ELMODE ELV MODE STRING C 4 0

Source of Facility Site Elevation:

SPEC or CALC

If an elevation of the site is known and included (in the FAC_ELV and FAC_ELVUN fields), this field should be set to SPEC.

If the elevation is unknown, set this field to CALC (or omit this field and FAC_ELV and FAC_ELVUN) and the site elevation will be interpolated by the TAP software.
TX_A1ERP TX Ant1 ERP DOUBLE F 10 4

TX Effective Radiated Power
TX_A1ERPUN TX Ant1 ERP UN STRING C 3 0

Units for TX ERP

W for Watts

kW for kiloWatts

mW for milliWatts

dBm

dBW

dBk
TX_ERPMODE TX ERP MODE STRING C 4 0

Source of TX ERP value:

SPEC if the ERP is specified directly (such as manual entry or imported)

For this minimum list of import fields, it is assumed that the ERP is specified.
TX_FREQMHZ TX FREQ DOUBLE F 11 5

TX frequency in MHz
TX_DIVFMHZ TX DIV FREQ DOUBLE F 10 4

For microwave systems with frequency diversity, the TX diversity frequency in MHz
TX_A1AGL TX Ant1 AGL DOUBLE F 10 4

TX antenna center of radiation height;  This can be specified as Above Ground Level (AGL) or Above Mean Sea Level (MSL), as specified in the antenna elevation mode field TX_A1ELMOD
TX_A1AGLUN TX Ant1 AGL UN STRING C 2 0

Units for antenna height for TX
TX_A1ELMOD AGL or MSL? STRING C 3 0

TX antenna height reference:

 AGL or MSL
RX_A1AGL RX Ant1 AGL DOUBLE F 10 4

RX Primary Antenna  height for center of radiation;  This can be specified as Above Ground Level (AGL) or Above Mean Sea Level (MSL), as specified in the antenna elevation mode field RX_A1ELMOD

RX_A1AGLUN RX Ant1 AGL UN STRING C 2 0

Units for antenna height for RX Primary Antenna

RX_A1ELMOD AGL or MSL? STRING C 3 0

RX primary antenna height reference:

 AGL or MSL
RX_FREQMHZ RX FREQUENCY DOUBLE F 11 5

RX Frequency in MHz
RX_A1FLD RX Ant1 Req FLD DOUBLE F 15 10

Required field strength for antenna on primary RX
RX_A1FLDUN RX_A1FLDUN STRING C 8 0

Field Units for primary RX antenna:

dBu

uV/m

W/m2
RX_FLDMODE RX_FLDMODE STRING C 4 0

Source of RX required field value:

SPEC if the Required Field  is specified directly (such as manual entry or imported)

For this minimum list of import fields, it is assumed that the Required Field Strength is specified.
RX_A2AGL RX Ant2 AGL DOUBLE F 10 4

RX Space Diversity antenna  height for center of radiation; This can be specified as Above Ground Level (AGL) or Above Mean Sea Level (MSL), as specified in the antenna elevation mode field RX_A2ELMOD
RX_A2AGLUN RX Ant2 AGL UN STRING C 2 0

Units for antenna height for RX Space Diversity antenna

RX_A2ELMOD AGL or MSL? STRING C 3 0

RX Space Diversity antenna height reference:

 AGL or MSL
USI FCC Project STRING C 10 0 FCC Project identifier
CS FCC Call Sign STRING C 10 0 FCC Call Sign
TRACK1 FCC Project STRING C 40 0 FCC Project
LONM FCC Loc Num STRING C 4 0  
ANNM FCC Ant Num STRING C 4 0  
KYAN FCC Ant Key DOUBLE F 18 8  
PATHNM FCC Path Num STRING C 4 0  
LONA FCC Loc Name STRING C 20 0  
AD FCC Address STRING C 80 0  
CI FCC City STRING C 20 0  
CY FCC County STRING C 60 0  
ST FCC State STRING C 2 0  
         
         
         
         
         
         

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