Navigation & Radio at Austin Straubel International Airport
US
GRB
/
KGRB
Radio Frequencies
18
Navigation Aids
6
Radio Frequencies
APP
119.400 MHz
GREEN BAY APP
ID: 65293
Ref: 3562
APP
119.400 MHz
GREEN BAY APP
ID: 65293
Ref: 3562
ATIS
124.100 MHz
ATIS
ID: 65294
Ref: 3562
ATIS
124.100 MHz
ATIS
ID: 65294
Ref: 3562
CLD
121.750 MHz
CLNC DEL
ID: 65295
Ref: 3562
CLD
121.750 MHz
CLNC DEL
ID: 65295
Ref: 3562
CTAF
118.700 MHz
CTAF
ID: 65296
Ref: 3562
CTAF
118.700 MHz
CTAF
ID: 65296
Ref: 3562
DEP
126.550 MHz
GREEN BAY DEP
ID: 65297
Ref: 3562
DEP
126.550 MHz
GREEN BAY DEP
ID: 65297
Ref: 3562
GND
121.900 MHz
GND
ID: 65298
Ref: 3562
GND
121.900 MHz
GND
ID: 65298
Ref: 3562
RDO
122.200 MHz
GREEN BAY RDO
ID: 65299
Ref: 3562
RDO
122.200 MHz
GREEN BAY RDO
ID: 65299
Ref: 3562
TWR
118.700 MHz
GREEN BAY TWR
ID: 65300
Ref: 3562
TWR
118.700 MHz
GREEN BAY TWR
ID: 65300
Ref: 3562
UNIC
122.950 MHz
UNICOM
ID: 65301
Ref: 3562
UNIC
122.950 MHz
UNICOM
ID: 65301
Ref: 3562
Navigation Aids
GR
NDB
0.356 MHz
Famis
Location
Latitude:
44.440498°
Longitude:
-88.239601°
Elevation:
N/A ft
Additional Info
Usage:
TERMINAL
Power:
LOW
Mag Var:
-3.098°
ID: 88541
GR
NDB
0.356 MHz
Famis
Location
Latitude:
44.440498°
Longitude:
-88.239601°
Elevation:
N/A ft
Additional Info
Usage:
TERMINAL
Power:
LOW
Mag Var:
-3.098°
ID: 88541
GRB
VORTAC
115.500 MHz
Green Bay
Location
Latitude:
44.555199°
Longitude:
-88.194901°
Elevation:
760 ft
Additional Info
Usage:
BOTH
Power:
HIGH
Mag Var:
-3.139°
DME Information
Channel:
102X
Frequency:
115.500 MHz
ID: 88550
GRB
VORTAC
115.500 MHz
Green Bay
Location
Latitude:
44.555199°
Longitude:
-88.194901°
Elevation:
760 ft
Additional Info
Usage:
BOTH
Power:
HIGH
Mag Var:
-3.139°
DME Information
Channel:
102X
Frequency:
115.500 MHz
ID: 88550
SG
NDB
0.332 MHz
Depre
Location
Latitude:
44.398499°
Longitude:
-88.132896°
Elevation:
637 ft
Additional Info
Usage:
TERMINAL
Power:
LOW
Mag Var:
-3.149°
ID: 93545
SG
NDB
0.332 MHz
Depre
Location
Latitude:
44.398499°
Longitude:
-88.132896°
Elevation:
637 ft
Additional Info
Usage:
TERMINAL
Power:
LOW
Mag Var:
-3.149°
ID: 93545
Understanding Airport Navigation & Radio Communications
Radio Frequencies in Aviation
Radio frequencies are essential for communication between aircraft, air traffic control, and ground services. Here are the common types:
Common Frequency Types
- ATIS (Automatic Terminal Information Service): Continuous broadcast of airport conditions
- Ground: Communication with ground control for taxi instructions
- Tower: Communication with air traffic control tower
- Approach/Departure: Handling arriving and departing aircraft
- UNICOM/CTAF: Used at airports without control towers
Frequency Ranges
- VHF Band: 118.000 - 136.975 MHz
- Emergency: 121.5 MHz (International emergency frequency)
- Ground Control: Usually 121.6 - 121.9 MHz
- ATIS: Usually 108 - 118 MHz
- UNICOM: Typically 122.8 MHz (uncontrolled airports)
Navigation Aids (Navaids)
Navigation aids are electronic systems that help pilots determine their position and navigate safely. Here are the main types:
Types of Navaids
- VOR (VHF Omnidirectional Range): Provides bearing information to aircraft
- DME (Distance Measuring Equipment): Gives slant-range distance to the station
- NDB (Non-Directional Beacon): Simple radio beacon for basic navigation
- TACAN (Tactical Air Navigation): Military version of VOR/DME
- VORTAC: Combined VOR and TACAN facility
Usage Types & Power Levels
- HI: High altitude navigation
- LO: Low altitude navigation
- TERM: Terminal area navigation
- Power Levels: HIGH, MEDIUM, LOW (affects range)
- RNAV: Area navigation capability
Important Notes
- Always verify frequencies and navaid status in current aviation publications
- Magnetic variation changes over time and should be considered when using navaids
- Some navaids may be out of service or have limited hours of operation
- DME distances are slant-range and may differ from actual ground distance