There's a lot of fire alarm boxes in that range too in this area.
----- Original Message ----- 
From: "Martin McCormick" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, March 13, 2008 8:50 PM
Subject: Re: digital tv and ict90


> Louis Kim Kline writes:
>>Wouldn't it be cool if we could get them to open up the 4 meter band for 
>>ham radio?  It'll probably never happen, but it would be nice to have a 
>>shot at working the Europeans when the MUF gets really really high...
> 
> To do that, they would need to move all the folks up or
> down who are presently in that band.
> 
> There are a lot of low-power and point-to-point services
> in the 72-76 MHZ band in the United States. I have actually
> listened to those frequencies during the occasional killer
> Sporadic E opening and there are gobs of signals.
> 
> Most are point-to-point links in which a paging
> transmitter sends paging signals to multiple repeaters whose
> input is that frequency and whose output is something like 150
> MHZ. Oklahoma City used to have such a system and I once even
> heard skip from the Southeast United States keying up the
> various local paging repeaters around here. There was voice
> paging going on at that time and one could hear the distant
> signals full-quieting in the paging repeaters.
> 
> Somebody, once, even had a radio reading service for the
> blind on one of the 4-meter channels but it wasn't in long
> enough for me to tell who it was.
> 
> When I used to live closer to the OSU football stadium,
> the Cowboy Football Network had a cueuing transmitter on
> 72.something MHZ. You could hear the game audio interrupted by
> commands to staff who were broadcasting the game. It's kind of
> weird to listen to.
> 
> There are also lots of radio-controlled model channels
> in that band so lots of people would need to move. Also, 75.0
> MHZ is an aircraft beacon frequency.
> 
> Martin McCormick WB5AGZ  Stillwater, OK 
> Systems Engineer
> OSU Information Technology Department Network Operations Group
>