i recently purchased 2 new trucker 5000 ant. and an aries swr440 test meter and when i hooked up the meter to tune the ant. the swr needle would not move at all to set it or calibrate. the power meter does move when i transmit not speaking it would stay just under 4 and when i spoke it would go over 4. the radio is a uniden 78 that i got from bobs cb shop and he said it had the power tune-up. the mike is a rk56 any thoghts would be helpful if the meter is bad or i am doing something wrong.thanks