Hello all, looks like the crew is expanding great business, John and Ger, Tim I found a clamp that should do the job, I think you said you you wanted to join a 1" to a 1 1/2" pipe I have the vertical and mounting kit, and a good long Coax, I am almost sure the 590 has a tuner so it should be happy Kind Regards Jim Barry EI8GS Mobile 087 2533 768