Something to consider is signal degradation over that distance. I worked a a high speed data cable technician for 3 years before my current job and we always avoided going over 1000 ft. While it is possible to reach 1500 ft, it is likely you would need a powered amp of some sort to make the distance. It is important to note that the amp would need to be at the termination point rather than the serviced house, otherwise you would just be amplifying noise. Also, and more importantly, you need a thick cable. RG6 (standard cable TV cable) will not cut it. You need RG11 and appropriate fittings. This would decrease the signal loss over the distance. Also note that every time you split a cable signal, you lose signal, so making the line strictly for HSD and keeping the TV on the satellite would also increase the chances of a good data connection
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Something to consider is signal degradation over that distance. I worked a a high speed data cable technician for 3 years before my current job and we always avoided going over 1000 ft. While it is possible to reach 1500 ft, it is likely you would need a powered amp of some sort to make the distance. It is important to note that the amp would need to be at the termination point rather than the serviced house, otherwise you would just be amplifying noise. Also, and more importantly, you need a thick cable. RG6 (standard cable TV cable) will not cut it. You need RG11 and appropriate fittings. This would decrease the signal loss over the distance. Also note that every time you split a cable signal, you lose signal, so making the line strictly for HSD and keeping the TV on the satellite would also increase the chances of a good data connection