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Frequency Details

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Shows detailed information for the selected station, and allows you to pass the information back to the main window for editing on the Edit Frequency page.

Fields

Record ID
Number assigned to each individual frequency record at the time of the original data entry.
Licence Number
The licence number of a single licence. In the case of a group of mobile licences, the first licence number of the range.
First Link Station
Shows the first link station found in the database related to this frequency. Access the frequency record details to view the complete list of link stations.
Tx Frequency (MHz)
Assigned transmit frequency or lower frequency for a band in Mhz.
Rx Frequency (MHz)
Assigned receive frequency or lower frequency for a band in MHz.
Tx Total Attenuation (dB)
The total signal losses, in dB, between the antenna and the radio's antenna coupling or antenna branching unit.
Rx Total Attenuation (dB)
The total signal losses, in dB, between the antenna and the radio's antenna coupling or antenna branching unit.
RF Output Power (W)
The RF Output Power is defined as the transmitter power in WATTS, that is present at output of the radio's antenna coupling or antenna branching unit. Usually, this is the value indicated in the equipment manufacturer's specification sheet. If the transmitter power is adjustable, indicate the maximum adjusted value in Watts. If the transmitter is capable of Automatic Power Control (APC), indicate the maximum APC value in Watts.
Tx Gain (dBi)
The gain of the transmitting antenna (in dB) relative to a half wave dipole (dBd). In case of a directional antenna, the gain is in the direction of maximum radiation. For frequencies above 890 MHz, the antenna gain is expressed relative to an isotropic radiator (dBi).
Rx Gain (dBi)
The gain of the receiving antenna (in dB) relative to a half wave dipole (dBd). In case of a directional antenna, the gain is in the direction of maximum radiation. For frequencies above 890 MHz, the antenna gain is expressed relative to an isotropic radiator (dBi).
Tx Polarization
The transmission antenna's polarization. Possible values are:
  • Horizontal
  • Vertical
  • Horizontal or vertical selectable
  • Circular, right
  • Circular, left
  • Circular
  • Rotating
  • Elliptical
  • Linear
  • Other
  • Dual
  • Mixed
  • Slant, right
  • Slant, left

For GPS active repeaters the TX/RX antenna polarization is Circular (right).

Rx Polarization
The receiving antenna's polarization. Possible values are:
  • Horizontal
  • Vertical
  • Horizontal or vertical selectable
  • Circular, right
  • Circular, left
  • Circular
  • Rotating
  • Elliptical
  • Linear
  • Other
  • Dual
  • Mixed
  • Slant, right
  • Slant, left
Tx Azimuth (deg)
Azimuth (in degrees from True North) of the transmitting antenna's direction of maximum radiation (lobe). For an omnidirectional radiation pattern, enter 0 degrees. To indicate an azimuth pointing true north, enter 360.0 degrees. For a bi-directional radiation pattern (two main lobes separated from each other by 180 degrees), enter the azimuth of one of the two lobes. It should be noted that the azimuth of the antenna lobe might not correspond to the physical azimuth of the antenna, especially in the case of bi-directional antennas.
Rx Azimuth (deg)
Azimuth (in degrees from True North) of the receiving antenna's direction of maximum radiation (lobe). For an omnidirectional radiation pattern, enter 0 degrees. To indicate an azimuth pointing true north, enter 360.0 degrees. For a bi-directional radiation pattern (two main lobes separated from each other by 180 degrees), enter the azimuth of one of the two lobes. It should be noted that the azimuth of the antenna lobe might not correspond to the physical azimuth of the antenna, especially in the case of bi-directional antennas.
Tx Elevation Angle (deg)
The transmission antenna's vertical elevation angle (beam tilt) with reference to horizontal ground in degrees.
Rx Elevation Angle (deg)
The receiving antenna's vertical elevation angle (beam tilt) with reference to horizontal ground in degrees.
Tx Antenna Height Above Ground Level (m)
The transmission antenna's height above ground level, in metres, as measured with reference to the physical centre of the antenna.
Rx Antenna Height Above Ground Level (m)
The receiving antenna's height above ground level, in metres, as measured with reference to the physical centre of the antenna.
Unfaded Received Signal Level (dBW)
The unfaded signal strength received at the station's receiver, in dBW.

Buttons

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