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Re: Getting tower sites for amateur repeaters.
I appreciate everyones input. Lots of good information & lessons learned from your experiences. Let me throw another idea out here. Im not saying this is an option for myself. Just brainstorming.
By N4FOX · #215697 ·
Re: Getting tower sites for amateur repeaters.
Before I retired I was Director of Engineering for a large group of TV stations. Towers were my responsibility. I can tell you that as much as I wanted to get hams on our towers my hands were tied by
By George Csahanin · #215696 ·
Re: DMR & GMRS Repeater use of same antenna?
The ability to operate two systems on the same antenna starts with knowing the characteristics of the antenna; how much power it can handle and the bandwidth of the antenna. You will need an antenna
By Milton Engle · #215695 ·
Re: Motorola GR1225 Hanging Open after random transmissions
Before you start going too deep go look at the FCC license for the business. Note the dates of the grant and determine if the license is still valid. Licenses are granted for 10 years and then must be
By Milton Engle · #215694 ·
Crescend Technologies P25-2AC1-C1-002 amplifier info?
Does anyone know anything about the Crescend Technologies P25-2AC1-C1-002 amplifier? I found one that is for sale and its label says it operates 42 to 50Mhz and 2.5 watts input for 250 watts out. But
By Dan Newby · #215693 ·
TKR-850 not being used. F.S.
Hello to all. I have a real nice Kenwood TKR-850 repeater that I have no location for. It is currently on 444.700. I will program it for you and ship it for 575.00. I also have several zetron 38A
By Wayne Childers · #215692 ·
Re: CDM1250 rx audio from mic jack
Yea I realize the jacks are different, they added a pin on each side of the regular 8. Everything is suppose to be the same as the maxtrax/radius series other then the extra pins for other use. As for
By SCOTT TURNER · #215691 ·
Re: DMR & GMRS Repeater use of same antenna?
I've put ham and commercial repeaters on the same antenna before but it's not easy. It takes an extra 6 cavity duplexer that is notch only.. and very careful tuning. I once had two Motorola Quantars,
By Chris Boone WB5ITT · #215690 ·
Re: CDM1250 rx audio from mic jack
https://ebay.us/m/16KnHO -- N1LMA
By Chuck · #215689 ·
DMR & GMRS Repeater use of same antenna?
I had a question posed to me so thought I would pose it here. The local club has a 7cm DMR repeater antenna is at 500 ft.. They are interested in adding a GMRS repeater use cavities to combine the two
By Dr. Mikeal Hughes · #215688 ·
Motorola GR1225 Hanging Open after random transmissions
An organization I work with has an old Motorola GR1225 (business freq) with an odd issue that we're trying to diagnose.? None of us are radio technicians...just audio/visual & IT guys (a couple of us
By Kevin KF0JQH · #215687 ·
Re: whelen siren
Must be good drugs, John....Riley Hollingsworth pretty well settled it [email protected]> wrote:
By Chris Boone WB5ITT · #215686 ·
Re: CDM1250 rx audio from mic jack
The mic jacks are different between the Maxtrac and the CDM. Maxtrac is a standard 8 pin CDM is a 10 pin Usually the 8 pin plug can work but not always. Start here The Motorola CDM Mobile Radio Index
By Milton Engle · #215685 ·
Re: whelen siren
Why was I hearing ¡°Ack Ack Ack Ack ACK!¡± In my head reading this string.. ;-) John
By John N. Hudson III · #215684 ·
Re: whelen siren
Oh I love it!! Thank you for your ¡°Levity¡± we need more of that. Having dealt with Alert and Warning in my Career I can only imagine someone will try this. Of course there are a few of us who¡¯d
By John N. Hudson III · #215683 ·
Re: Looking for a connector
Let me dig thru my stash and I'll let you know Chris [email protected]> wrote:
By Chris Boone WB5ITT · #215682 ·
Re: whelen siren
Perfect answer (TARRA) via groups.io <tarra@...> wrote:
By Chris Boone WB5ITT · #215681 ·
Re: whelen siren
Let's get down to the nut cutting, shall we? WHAT causes the message to be sent? If that message is NOT SPECIFICALLY ALLOWED in part 97 like NWS, it's ILLEGAL PERIOD Chris WB5ITT [email protected]>
By Chris Boone WB5ITT · #215680 ·
Re: whelen siren
Get this thru your head Tom...Any message transmitted by an amateur station, NOT SPECIFICALLY ALLOWED in Part 97 , is third party traffic and must be under a control operators control. Sorry but it
By Chris Boone WB5ITT · #215679 ·
Re: whelen siren
That is improper control of an amateur transmitter..it can only be keyed by certain. equipment as allowed per Part 97. The control function activating the sirens is NOT permitted. I consulted Riley on
By Chris Boone WB5ITT · #215678 ·