The Defpom Forum, for RadioMods, S&M Software and Music by The Defpom

THANK YOU! I'll try it out!!! I'll let you know later.

So you're saying if i change that components will I enhance the radio's frequency range? (More than the original 1,7 Mhz e.g. from 26.705 to 28.475?) I had never heard about that new VCO. Has it a wide range?

And should I add three more ...

Thanks Rick for your attention !!!
My Dragon has an OLD TYPE VCO. Just one KDV251.
I've added a BB405 varicap just because it has a lower capacity compared to KDV251 at the same tension (In order to get higher frequencies).
What do you mean with "use all the same varicaps" ? Should I add another ...

Please help me! I promess you i'll be very grateful to you!!!
Please see my post. I think you're my only hope.
Thanks!

Hi.
I own a Dragon TRC485.
I already did the trick to get 400 channels using this:
http://www.radiomods.co.nz/trc485mod.html
But "To transmit / receive on all of the 400 channels it is necessary to adjust the VCO."

I've adjusted the VCO tuning the resonance coil but in that way i can only move the ...