This is the official thread for former Adelphia customers who have been switched to Comcast in NH.
Note that Adelphia ran over Scientific Atlanta gear, not Motorola, so those people with Motorola equipment can probably get answers in the Boston, MA - Comcast thread located here:
http://www.avsforum.com/avs-vb/showthread.php?t=793008
The following color coded table is courtesy of wdwms:
Comcast is currently offering the following HD channels in NH for former Adelphia customers:
Note: the above table is likely more up-to-date than the following:
-- -tier- description
704 CBSHD -- 112-1 - + -- WBZ-DT -- Boston, MA
705 ABCHD -- 112-2 - + -- WCVB-DT - Boston, MA (01/14/05)
706 FOXHD -- 113-1 - + -- WFXT-DT - Boston, MA
707 NBCHD -- 112-3 - + -- WHDH-DT - Boston, MA
708 WLVID -- -78-2 - + -- WLVI-DT - Boston, MA - New England CW - CW56 (01/05/07)
709 ABCHD -- 113-2 - + -- WMUR-DT - Manchester, NH
711 PBSHD -- 113-3 - + -- WENH-DT - Durham, NH
714 WSBKHD - -78-1 - + -- WSBK-DT - Boston, MA (03/21/05)
704 CBSHD -- -86-2 - + -- WBZ-DT -- Boston, MA
705 ABCHD -- -85-1 - + -- WCVB-DT - Boston, MA (01/14/05)
706 FOXHD -- -86-1 - + -- WFXT-DT - Boston, MA
707 NBCHD -- -85-2 - + -- WHDH-DT - Boston, MA
708 WLVID -- -90-2 - + -- WLVI-DT - Boston, MA - New England CW - CW56 (01/05/07)
709 ABCHD -- 113-2 - + -- WMUR-DT - Manchester, NH
711 PBSHD -- -91-2 - + -- WENH-DT - Durham, NH
714 WSBKHD - -90-1 - + -- WSBK-DT - Boston, MA (03/21/05)
750 HBOHD -- ----- - °° - HBO HD
751 SHOHD -- ----- - °° - Showtime HD
752 STZHD -- ----- - °° - Starz HD
753 MAXHD -- ----- - °° - Cinemax HD
760 CNNHD -- ----- - ++ - Cable News Network HD
761 TBSHD -- ----- - ++ - Turner Broadcasting System HD
762 HISTHD - ----- - ++ - History Channel HD
763 USAHD -- ----- - ++ - USA Network HD
764 TNTHD -- ----- - ++ - Turner Network Television HD (12/06 replaced INHD2?)
765 DSCHD -- ----- - ++ - Discovery Channel HD
766 PLDHD -- ----- - ++ - MHD
767 UHD ---- ----- - ++ - Universal HD
768 HGTVHD - ----- - ++ - HGTV HD
769 FOODHD - ----- - ++ - Food Network HD
770 NGCHD -- ----- - +++- National Geographic Channel HD
771 A&EHD -- ----- - ++ - Arts & Entertainment HD
772 ESPNHD - ----- - ++ - ESPN HD
773 NESNHD - ----- - ++ - New England Sports Network
774 MOJO --- ----- - ++ - MOJO HD
775 VS/Golf ------ - ++ - Golf HD
776 HDT ---- ----- - ++ - Discovery HD Theater (11/15/04)
777 NFLHD -- ----- - ° -- NFL HD (12/17/04)
778 ESPN2-HD ----- - ++ - ESPN2 (02/03/05)
779 CSNHD -- ----- - ++ - Comcast SportsNet HD (Boston Celtics Games Only)
780 APLHD -- ----- - ++ - Animal Planet HD
781 SCIFIHD ------ - ++ - Sci-Fi HD
783 DISNHD - ----- - ++ - Disney HD
784 FAMHD -- ----- - ++ - ABC Family HD
785 SCIHD -- ----- - +++- Science HD
786 AMCHD -- ----- - ++ - American Movie Classics HD
787 TLCHD -- ----- - ++ - The Learning Channel HD
790 FNCHD -- ----- - ++ - Fox News HD
801 SHOWHD - ----- - °° - Showtime HD
802 SHO2HD - ----- - °° - Showtime Too HD
810 TMCHD -- ----- - °° - The Movie Channel HD
Tier codes:
+ -- High-definition local channels.
++ - A minimum level of Standard Cable service is required to receive this channel.
+++- A minimum level of Digital Classic service is required to receive this channel.
° -- A subscription to Sports Entertainment Pack is required to receive this channel.
°° - A subscription to the appropriate Premium Pack is required to receive this channel.
Note: Clear QAM verified with a Mits DLP TV & Tivo HD (no cablecard)
Other clear QAM channels (standard definition):
81-12 - Start of Music Choice
81-53 - End of Music Choice
87-15 - On demand previews
90-1 -- NH Shopping
Receivers:
Note that Adelphia ran over Scientific Atlanta gear, not Motorola, so those people with Motorola equipment can probably get answers in the Boston, MA - Comcast thread located here:
http://www.avsforum.com/avs-vb/showthread.php?t=793008
The following color coded table is courtesy of wdwms:

Comcast is currently offering the following HD channels in NH for former Adelphia customers:
Note: the above table is likely more up-to-date than the following:
-- -tier- description
704 CBSHD -- 112-1 - + -- WBZ-DT -- Boston, MA
705 ABCHD -- 112-2 - + -- WCVB-DT - Boston, MA (01/14/05)
706 FOXHD -- 113-1 - + -- WFXT-DT - Boston, MA
707 NBCHD -- 112-3 - + -- WHDH-DT - Boston, MA
708 WLVID -- -78-2 - + -- WLVI-DT - Boston, MA - New England CW - CW56 (01/05/07)
709 ABCHD -- 113-2 - + -- WMUR-DT - Manchester, NH
711 PBSHD -- 113-3 - + -- WENH-DT - Durham, NH
714 WSBKHD - -78-1 - + -- WSBK-DT - Boston, MA (03/21/05)
704 CBSHD -- -86-2 - + -- WBZ-DT -- Boston, MA
705 ABCHD -- -85-1 - + -- WCVB-DT - Boston, MA (01/14/05)
706 FOXHD -- -86-1 - + -- WFXT-DT - Boston, MA
707 NBCHD -- -85-2 - + -- WHDH-DT - Boston, MA
708 WLVID -- -90-2 - + -- WLVI-DT - Boston, MA - New England CW - CW56 (01/05/07)
709 ABCHD -- 113-2 - + -- WMUR-DT - Manchester, NH
711 PBSHD -- -91-2 - + -- WENH-DT - Durham, NH
714 WSBKHD - -90-1 - + -- WSBK-DT - Boston, MA (03/21/05)
750 HBOHD -- ----- - °° - HBO HD
751 SHOHD -- ----- - °° - Showtime HD
752 STZHD -- ----- - °° - Starz HD
753 MAXHD -- ----- - °° - Cinemax HD
760 CNNHD -- ----- - ++ - Cable News Network HD
761 TBSHD -- ----- - ++ - Turner Broadcasting System HD
762 HISTHD - ----- - ++ - History Channel HD
763 USAHD -- ----- - ++ - USA Network HD
764 TNTHD -- ----- - ++ - Turner Network Television HD (12/06 replaced INHD2?)
765 DSCHD -- ----- - ++ - Discovery Channel HD
766 PLDHD -- ----- - ++ - MHD
767 UHD ---- ----- - ++ - Universal HD
768 HGTVHD - ----- - ++ - HGTV HD
769 FOODHD - ----- - ++ - Food Network HD
770 NGCHD -- ----- - +++- National Geographic Channel HD
771 A&EHD -- ----- - ++ - Arts & Entertainment HD
772 ESPNHD - ----- - ++ - ESPN HD
773 NESNHD - ----- - ++ - New England Sports Network
774 MOJO --- ----- - ++ - MOJO HD
775 VS/Golf ------ - ++ - Golf HD
776 HDT ---- ----- - ++ - Discovery HD Theater (11/15/04)
777 NFLHD -- ----- - ° -- NFL HD (12/17/04)
778 ESPN2-HD ----- - ++ - ESPN2 (02/03/05)
779 CSNHD -- ----- - ++ - Comcast SportsNet HD (Boston Celtics Games Only)
780 APLHD -- ----- - ++ - Animal Planet HD
781 SCIFIHD ------ - ++ - Sci-Fi HD
783 DISNHD - ----- - ++ - Disney HD
784 FAMHD -- ----- - ++ - ABC Family HD
785 SCIHD -- ----- - +++- Science HD
786 AMCHD -- ----- - ++ - American Movie Classics HD
787 TLCHD -- ----- - ++ - The Learning Channel HD
790 FNCHD -- ----- - ++ - Fox News HD
801 SHOWHD - ----- - °° - Showtime HD
802 SHO2HD - ----- - °° - Showtime Too HD
810 TMCHD -- ----- - °° - The Movie Channel HD
Tier codes:
+ -- High-definition local channels.
++ - A minimum level of Standard Cable service is required to receive this channel.
+++- A minimum level of Digital Classic service is required to receive this channel.
° -- A subscription to Sports Entertainment Pack is required to receive this channel.
°° - A subscription to the appropriate Premium Pack is required to receive this channel.
Note: Clear QAM verified with a Mits DLP TV & Tivo HD (no cablecard)
Other clear QAM channels (standard definition):
81-12 - Start of Music Choice
81-53 - End of Music Choice
87-15 - On demand previews
90-1 -- NH Shopping
Receivers:
- Scientific Atlanta Explorer 8300HD DVR - VOD support
- TiVo HD DVR - no VOD - dual channel rec with 2 single-stream or 1 multi-stream cable card(s)
- TiVo HD XL DVR - no VOD - dual channel rec with 2 single-stream or 1 multi-stream cable card(s)
- TiVo Series3 HD DVR - no VOD - dual channel with 2 single-stream or 2 multi-stream cable cards
- Scientific Atlanta Explorer 8000HD DVR - VOD support - discontinued
- Scientific Atlanta Explorer 3250HD - discontinued