Here's a great article that we use for configuring our stacks for the VHF contests.

https://directivesystems.com/wp-content/uploads/sites/2/2014/04/Stacking-Dis-similar-Yagis.pdf

73

Stu2, W7IY

I have a similar configuration and it does not cause any issues that I am aware of.

Bob W7OTJ

On Mon, May 2, 2022 at 5:43 AM Paul Andrews <w2hro.fn20@gmail.com> wrote:

Rick,

There is always some interaction between antennas. 

But a 1296 yagi with a fiberglass boom will probably be unnoticeable.

Good luck.  Which satellite uses a 1296 MHz uplink?

73 - Paul - W2HRO

On Sun, May 1, 2022 at 8:57 PM Richard Lawn <rjlawn@gmail.com> wrote:

I just installed a 1296 Mhz loop yagi in between my cir Pol 70 cm and 2m satellite antennas.  It is a 10’ + fiberglass boom. Will the 1296 antenna cause any problem with the other two yagis?

Rick, W2JAZ 

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