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I would start on the 2nd floor porch with a short run of cable (6-feet) and no pre-amp to see what you can see. The porch install might be preferable to the attic or roof, due to the strong KTIN signal coming from the east getting blocked by your house. I'm not sure if KTIN is strong enough to overload the pre-amp or not. The 4228 is still a fine antenna, though it is not designed to pull in KCAU on real-ch-9. Were you able to receive KCAU before? Once you check out what you see on the porch with a short cable run, try adding the 100 feet of cable run and the pre-amp, if necessary. Those pre-amps are known to fail. That could be your problem. If ABC is a priority and the 4228 does not get it, you may need to add a VHF-specific rig such as the MCM 2476 or Clearstream 5. Choose the Antennas Direct diplexer to join UHF and VHF in that case.
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