The Linkway S2 modem utilizes this access methodology.
What is TDMA?
100
This moves the antenna.
What is Antenna Control Unit (ACU)? or Power Drive Unit or Portable Maintenance Unit
100
This represents the position of the antenna on the horizontal axis.
What is Azimuth?
100
This must be done when change the position of the power switch.
What is pull out?
100
This is the concept where the IF signal is turned into the desired RF Transmit frequency.
What is upconversion?
200
This command allows the operator to view the burst-to-burst dymanic range of the burst being received by the modem. (The power of the burst in relation to the power of the reference burst)
What is rb? or rbm?
200
MPM-1000
What is NCW modem?
200
This menu is used to move the antenna to a new satellite on the ACU.
What is Preset?
200
These values are needed to calculate symbol rate.
What is Data Rate, Modulation Type, FEC rate?
200
During Peak/Pol at the RHN, the controller gives you a frequency of 14158MHz to send up a CW on. This is the IF frequency entered in the modem.
What is 1358MHz? or 1.358GHz or 1,358,000,000Hz
300
This creates a logical link between one Linkway modem to another.
What is Permanent Virtual Circuit? (PVC)
300
This converts the RF signal into light to sent to across the IFL.
What is Foxcomm? or RF to Fiber modem or Fiber modem
300
Ka antennas use this method of tracking.
What is Monopulse?
300
Data Rate is entered in
What is bits per second (bps)?
300
This is the process of varying one or more property of a medium to encode information onto that medium.
What is Modulation?
400
This value is used during power balancing; when it is compared to chart, the proper ModCode is determined.
What is Es/No? (Energy per symbol over Noise Ratio)
400
This swaps out the backup devices to online path and the online device to the backup path. (LNA, BDC, HPA)
What is baseball switch (primary)? or device controller or MaxView
400
This menu is used to define the beacon frequency on the ACU.
What is RF Parameters?
400
Mode modem is in to use Ethernet data.
What is EBEM?
400
Concept when the wavelength of a signal is altered due to the observer moving in relation to the wave source.
What is Doppler Shift? or Doppler Effect or Red/Blue Shift
500
This describes how the entries in carrieradmin.tdb are defined.
What is who talks to who on what carrier?
500
This takes a sample of a signal without affecting it in a significant way.
What is directional coupler?
500
Common name for the geostationary orbit. Named after a famous Sci-Fi author who originated the concept.
What is Clarke Belt? (Arthur C. Clarke)
500
This technology allows two modems to share the same frequency space in the DMD-2050E.
What is Carrier in Carrier (CnC)?
500
Set of formulas that are the foundation for all of electro-magnetic theory.