Navigation & Radio at Indira Gandhi International Airport
IN
DEL
/
VIDP
Radio Frequencies
20
Navigation Aids
9
Radio Frequencies
APP
126.350 MHz
DELHI APP
ID: 53958
Ref: 26555
APP
126.350 MHz
DELHI APP
ID: 53958
Ref: 26555
AREA CONTROL (E)
120.900 MHz
DELHI CONTROL
ID: 75455
Ref: 26555
AREA CONTROL (E)
120.900 MHz
DELHI CONTROL
ID: 75455
Ref: 26555
AREA CONTROL (W)
124.550 MHz
DELHI CONTROL
ID: 75456
Ref: 26555
AREA CONTROL (W)
124.550 MHz
DELHI CONTROL
ID: 75456
Ref: 26555
ATIS
126.400 MHz
ATIS
ID: 53959
Ref: 26555
ATIS
126.400 MHz
ATIS
ID: 53959
Ref: 26555
CLD
121.950 MHz
Clearance Delivery
ID: 75566
Ref: 26555
CLD
121.950 MHz
Clearance Delivery
ID: 75566
Ref: 26555
GND
121.625 MHz
SMC
ID: 327869
Ref: 26555
GND
121.625 MHz
SMC
ID: 327869
Ref: 26555
GND
121.900 MHz
DELHI GND
ID: 53960
Ref: 26555
GND
121.900 MHz
DELHI GND
ID: 53960
Ref: 26555
TWR
118.100 MHz
DELHI TWR rwy28/10
ID: 53961
Ref: 26555
TWR
118.100 MHz
DELHI TWR rwy28/10
ID: 53961
Ref: 26555
TWR
118.250 MHz
DELHI TWR RWY 29/11
ID: 75454
Ref: 26555
TWR
118.250 MHz
DELHI TWR RWY 29/11
ID: 75454
Ref: 26555
TWR
118.750 MHz
DELHI TWR Rwy 27/09
ID: 75469
Ref: 26555
TWR
118.750 MHz
DELHI TWR Rwy 27/09
ID: 75469
Ref: 26555
Navigation Aids
DH
NDB
0.202 MHz
Delhi
Location
Latitude:
28.564501°
Longitude:
77.202301°
Elevation:
N/A ft
Additional Info
Usage:
BOTH
Power:
MEDIUM
Mag Var:
0.398°
ID: 87359
DH
NDB
0.202 MHz
Delhi
Location
Latitude:
28.564501°
Longitude:
77.202301°
Elevation:
N/A ft
Additional Info
Usage:
BOTH
Power:
MEDIUM
Mag Var:
0.398°
ID: 87359
DP
NDB
0.274 MHz
Delhi
Location
Latitude:
28.583401°
Longitude:
76.998703°
Elevation:
N/A ft
Additional Info
Usage:
BOTH
Power:
MEDIUM
Mag Var:
0.406°
ID: 87498
DP
NDB
0.274 MHz
Delhi
Location
Latitude:
28.583401°
Longitude:
76.998703°
Elevation:
N/A ft
Additional Info
Usage:
BOTH
Power:
MEDIUM
Mag Var:
0.406°
ID: 87498
DPN
VOR-DME
116.100 MHz
Delhi
Location
Latitude:
28.566700°
Longitude:
77.094902°
Elevation:
776 ft
Additional Info
Usage:
BOTH
Power:
HIGH
Mag Var:
0.401°
DME Information
Channel:
108X
Frequency:
116.100 MHz
ID: 87505
LM
NDB
0.320 MHz
Delhi
Location
Latitude:
28.556200°
Longitude:
77.133797°
Elevation:
N/A ft
Additional Info
Usage:
BOTH
Power:
HIGH
Mag Var:
0.399°
ID: 90411
LM
NDB
0.320 MHz
Delhi
Location
Latitude:
28.556200°
Longitude:
77.133797°
Elevation:
N/A ft
Additional Info
Usage:
BOTH
Power:
HIGH
Mag Var:
0.399°
ID: 90411
PL
NDB
0.303 MHz
Delhi
Location
Latitude:
28.542299°
Longitude:
77.197304°
Elevation:
N/A ft
Additional Info
Usage:
BOTH
Power:
HIGH
Mag Var:
0.395°
ID: 92502
PL
NDB
0.303 MHz
Delhi
Location
Latitude:
28.542299°
Longitude:
77.197304°
Elevation:
N/A ft
Additional Info
Usage:
BOTH
Power:
HIGH
Mag Var:
0.395°
ID: 92502
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