JH 135 is a low profile, light weight airborne vertical stub antenna designed to operate in a frequency band of 135 MHz to 175 MHz. The antenna was designed to be used on Kamov - 28 type helicopters of Indian Navy. These antennas are designed as low profile, low drag stub antennas with excellent aerodynamic properties. The radiating element encased in glass fibre reinforced epoxy shell capable of withstanding extreme environmental conditions. This antenna is qualified and suitable for helicopters and supersonic aircrafts.