What is the propagation constant for air filled wave guide with dimensions a = 1.59" and b = 0.795" at 4.95 GHz?

• 0.6698
• 0.7698
• 0.503
• 0.6598

Correct Answer: 0.6698

Explanation:

Here,

a = 1.59'' = 40.386 mm = 4.04 cm

∴ .