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I currently use the Radio Shack pre-amp model# 15-2507 which is rated "up to 30 db" (UHF/VHF) at an unknown db noise rating. It works quite well; been using it for 4+ years. One RG-6 feed in and out (meanly no separate UHF/VHF inputs). Costs approx. $60

I am near Harrisburg, PA and trying to get the Phily stations (approx. 75-85 miles away). I can currently get them all except 6. Channels 12 and 57 are iffy and come and go. I am using an 8 bay Channel Master UHF antenna (4228 rated at 15.8 db gain) pointed to the Phily antenna farm. This antenna supposedly should do ok on hi-VHF. I will be making a simple 85 MHz dipole for ch 6 this week. I am considering a dual input pre-amp (one for UHF and one for VHF). I could get ch. 6-1 (digital ch. 64) no problem before they went back to Ch. 6.

I see these are popular-

Channel Master CM7778 rated at VHF Gain: 16 dB (VHF Noise Figure: 3.0 dB) and UHF Gain: 23 dB (UHF Noise Figure: 2.2 dB). Single UHF/VHF input. $51

Channel Master CM7777 rated at VHF Gain: 23 dB (VHF Noise Figure: 2.8 dB) and UHF Gain: 26 dB (UHF Noise Figure: 2.0 dB). Dual UHF/VHF inputs. $51

Wingard 8275 rated at VHF Gain: 29 dB (VHF Noise Figure: 2.9 dB) and UHF Gain: 28 dB (UHF Noise Figure: 2.8 dB). Single UHF/VHF input. $40

Feedback on these or others?

Or would you simply recommend a UHF/VHF combiner and simply connecting a VHF dipole to my system this way with the current amp and UHF antenna? Can you recommend a combiner?