150 mhz = 6.913 db improvement
450 mhz = 7.756 db improvement
Antenna tip 15 feet higher

Now here's my question - will I notice the improvement
enough? I've had several OM's tell me that on SSB, CW
or HF I would but not on 2m/440 simplex and repeaters.


Ken KG0WX

Well, Ken maybe your "OM's" didn't eat their Wheaties. A 6dB improvement means
you have quadrupled your ERP over your existing system. You have also
increased the distance to your radio horizon with the increse in antenna
height.

Why they would say you won't notice an improvement is beyond me. In plane
language here are a few things just a 6dB improvement mean. You can reduce
your radios Tx power by a factor of 4 and have the equivalent ERP, 6dB doubles
your range Tx and Rx (within the limits of your stations LOS - line of sight).
Stations that were noisy will now be full quieting, be it simplex or repeaters
you work.

In even simpler terms, "night and day".

What are you waiting for?

Regards, Hugh KF6HHS
Retired, now life moves at my pace.
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