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try it some time and let us know how you make out.
as Yuri mentions, UHF and VHF are so far apart with completely different physical characteristics, impairments, your best option for VHF is to use an independent VHF antenna rather than trying to coax a UHF antenna in to grabbing a weak VHF channel.
It is quite simple to diplex a UHF antenna together with a VHF antenna using a UVSJ. If the VHF channel is strong enough, all you might need is a set of rabbit ears.

That is essentially what you have with an antennas direct C2V VHF adapter. Rabbit ears (VHF) diplexed to a UHF antenna. Simple but effective.

https://www.antennasdirect.com/store/ClearStream-2MAX-Indoor-Outdoor-TV-Antenna.html
 

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FLAT DIY Hi-VHF/UHF Antenna LOOP Designs that have been OPTIMIZED for Dual-Band Coverage:
https://imageevent.com/holl_ands/loops/dreamcatcher [Dreamcatcher]
https://imageevent.com/holl_ands/loops/hu2baylooprlh212x10norefl [2-Bay Bowtie + VHF Resonator Loop]
https://imageevent.com/holl_ands/loops/hu4baylooprlh410x14norefl [4-Bay Bowtie + 2 VHF Resonator Loops]
Obviously higher UHF Gain types need to be POINTED toward Towers....

Several alternative FLAT Hi-VHF/UHF Designs that were CONSTRAINED TO FIT in a given 3-ft H x 2-ft W METAL Picture Frame [NOT Optimum Size as determined in above RLH2 and RLH4 Designs]:
https://imageevent.com/holl_ands/loops/hivhfuhfin3ftx2ftpictureframeloop
For a FEW of these, I specifically investigated Azimuthal Response to see how well they performed when hung on wall, NOT exactly pointed toward Towers.

Hourglass and Quad-Trap-Loop FLAT DIY Designs are VERY simple to construct, but you would need one for UHF and another for Hi-VHF [and/or Lo-VHF]....which may be more convenient anyway if point in different directions:
https://imageevent.com/holl_ands/loops
 

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The V-Hawk has such a high gain, for something with no reflector. With a reflector, how much more gain could be expected? WIthout a reflector, its pulling 10-14+ Dbi. Modelled for the NEW UHF spectrum, with a reflector, I am guessing the gain will be a lot higher?
Afraid I dont know how to model these things myself, any ideas?
Schoolbus
 
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