Re: [Repeater-Builder] Sources of Maxtrac's

2009-08-31 Thread Rich Osman
The FCC ID is band dependent. The manual has a table on ranges and that includes the FCC IDs John Sehring wrote: I haven't had much luck locating low band, low split Maxtrac's for use on 10m. These radios' model numbers don't tell what split it is; you have to crack open the radio,

Re: [Repeater-Builder] Fw: Sources of Maxtrac's

2009-08-31 Thread Rich Osman
manual are you referring to, Motorola or an FCC thing? I do have pretty much complete Maxtrac paperwork, thanks to the guys at Repeater Builder. --- On Mon, 8/31/09, Rich Osman li...@ozindfw.net mailto:lists%40ozindfw.net wrote: From: Rich Osman li...@ozindfw.net mailto:lists

Re: [Repeater-Builder] De-sense question

2009-09-06 Thread Rich Osman
John, Get the preamp out of the circuit and **powered down.** Preamps will take any desense probelm and will make them worse - usually at twice the value of their gain. Do a 'binary search' - Start by getting it to work without stuff. Disconnect the antenna and feedline and put a dummy load

Re: [Repeater-Builder] Re: De-sense question

2009-09-06 Thread Rich Osman
John, Some comments and observations; Moving a 30 or 40 year old might radio invalidate the fact that it was working at the other site. Duplexers, particularly 'vintage' duplexers don't always travel well. This is particularly true when the person doing the alignment forgets to run the locking

Re: [Repeater-Builder] ATSC pilot frequencies for sig. gen. alignment

2009-09-06 Thread Rich Osman
Except that you need to despread the pilot. The good news is that some companies make saw correlators for the pilot. Bit of work regardless. DCFluX wrote: I think AM stations have tighter frequency requirements. I think I read some where it was supposed to be + or - 5 hz, of course that

Re: [Repeater-Builder] Wireless electricity

2009-09-06 Thread Rich Osman
Hard for me to understand how you can have an H field and no E field. JOHN MACKEY wrote: that's what I was thinking, it has to be RF. -- Original Message -- Received: Sun, 06 Sep 2009 04:07:09 PM PDT From: Ted Leonard n2...@verizon.net mailto:n2isq%40verizon.net To:

Re: [Repeater-Builder] MASTR II LOW BAND TUNING

2010-07-05 Thread Rich Osman
That's why base stations have 250 - 300w where mobiles are 100. On 07/05/2010 12:20 PM, Chuck Kelsey wrote: Jim - My experience with 6-FM is that you are going to have a much harder time hearing the repeater than getting in to it. The noise encountered in a mobile environment

Re: [Repeater-Builder] Re: Mystery Micor problem

2010-08-08 Thread Rich Osman
On 08/08/2010 08:09 PM, n3ssl wrote: Glenn, OZ and group Its a step jump 5 khz up and get - 200 hz of crystal movment. What silver mica Cap is it? I have not looked inside a channel element in years usally send them out and trust the mfg. I also gave the crystal movement a thought but