<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'><hr id="zwchr"><blockquote id="DWT581" style="border-left:2px solid rgb(16, 16, 255);margin-left:5px;padding-left:5px;"><b>From: </b>"Leif Pihl" <leif@pihl.us><br><b>To: </b>"Discussion about MythTV" <mythtv-users@mythtv.org><br><b>Sent: </b>Monday, November 11, 2013 2:15:25 PM<br><b>Subject: </b>Re: [mythtv-users] Antenna wiring question<br><br>I've not read all the messages in response to your initial inquiry. <br>I do gather that you seem to have an already existing antenna in the attic from the days of analog NTSC. <br>Most of those antennas had two portions, one for the 2 to 12 channel frequencies, and one for the set going up numerically from there. <br>(Yea, yea, it's the old UHF versus VHF, and I can never keep them straight.) <br>_IF_ the manufacturer of your antenna skimped on the higher channel numbered set, _THEN_ be aware that you may be better of by just plain building a home-brew antenna. <br>I did so, in a bit of a rush, but even my semi-slap-dash version works rather well. <br>True, most of the towers I'm aiming for are at the 9-mile range, but if you take better care to do a good job than I did, you should be able to increase those received dB of gain. <br><br>I Googled this web site: http://www.tvantennaplans.com/ and it looks familiar. <br>This may be what I built, except I cheated and used only one piece of cardboard for the entire back, not two pieces. <br><br>Try that, and good luck. <br><br><br>On Nov 8, 2013, at 3:21 PM, Stefan Jones wrote:<br><br>> After my Comcast bill went up $29 in one month, I decided to start exploring alternatives.<br>> <br>> I am wondering if all the TVs in my house (and my Myth box's DTV tuner cards) could share the same antenna. Please let me know what you think.<br>> <br>> All of the major rooms in my house have coax. (And Cat6 for that matter.) The coax leads to a closet off of the garage on the ground floor. Right now a couple of splitters are used to distribute Comcast's signals to the cable modem (located in the closet) and the other rooms.<br>> <br>> I'm thinking of:<br>> <br>> While I still have it, locate my HDHR Cable Card receiver in the closet. The house router for the Ethernet is right there. I just need to plug it into coax and Ethernet.<br>> <br>> Connect an indoor antenna to the coax outlet in my front bedroom. I have a clear shot at the local TV towers from the window.<br>> <br>> Connect the other end of the front bedroom cable to the "IN" of the splitter that used to send Cable TV around the house. Theoretically, this would let the other four or five coax outlets get a signal from the antenna.<br>> <br>> So. Reality check needed. Will this work? Would the signal attentuate too much?<br></blockquote><br>I may eventually get an attic antenna, but the scheme I mention directly above worked perfectly.<br><br>The antenna, currently balanced on a window sill with a view of the antenna towers, is store-bought. A combination UHF / VHF (Portland's digital transmitters are in both ranges) with a little add-on amplifier.<br><br>Down in my wiring closet is a 1:3 splitter. I connected the coax leads to the three rooms of the house with TV. (I also relocated the HDHR Prime Cablecard down there, for as long as I still have cable TV service.)<br><br>The weakest link in my setup is my HVR-2250 cards. The tuners picked up about 42 stations, including the six or so HD stations that I care about.<br><br>The TVs, in three rooms, had similar results. <br><blockquote style="border-left:2px solid rgb(16, 16, 255);margin-left:5px;padding-left:5px;"></blockquote></div></body></html>