I will pretend to be The DB, and based on what you quoted me as saying up above your question, I would say the best one for a desert area would be the one that works best in your circumstances. Can't really know until you try them.
Now, being myself, the ever humble and ever striving for the grand title of antenna wizardry, I'd say the ground isn't much help, so something providing its own groundplane, like the 5/8 GP, is where I'd start. The master of the Mojave, Jay the RF Trainer, has made them and they have been great.
Now, being myself, the ever humble and ever striving for the grand title of antenna wizardry, I'd say the ground isn't much help, so something providing its own groundplane, like the 5/8 GP, is where I'd start. The master of the Mojave, Jay the RF Trainer, has made them and they have been great.