Re: [Repeater-Builder] MSTR II Mobile @ < 100W

[Kevin Custer]

tahrens301 wrote:
> Hi Folks,
>
> snip---
> Since I'm looking at using it as a solar pwr'd repeater, what
> is the best way to turn the power down (without making a bunch
> of spurs along with it)?
>   

Remove parts of the PA back to the desired output.  Match that output 
correctly to the LPF.
Here is a similar conversion where I took a 100 watt MICOR PA and sawed 
it in half - wound a custom output transformer - and coupled it to the 
LPF (low pass filter):
Scroll down in the page to see the picture and read the caption above:
http://www.kuggie.com/ahra/hmftinfo.html

OR
Use the exciter to drive a Japanese power brick.  Easily done with one 
of these:
http://www.repeater-builder.com/products/ampbd.html
Tastes great - less filling (cheap and spur free)

Remove the audio amplifier or put a switch in line with the B+ to it.

Kevin

Re: [Repeater-Builder] Batteries for Backup- Methods

[Chris Quirk]

Hi I use a couple of fans that run costatly when the utility power is 
available, the air sweep is hgh enough to prevent any Hydrogen build up. One 
fan alone is enough in case one fails.
 
Also have several other repeaters in with me that have deep cycle batteries in 
the cabinet with no venting. Not been a problem, well so far any way. 
 


--- On Sun, 11/29/09, tgundo2003  wrote:


From: tgundo2003 
Subject: [Repeater-Builder] Batteries for Backup- Methods
To: Repeater-Builder@yahoogroups.com
Date: Sunday, November 29, 2009, 9:42 PM


I am going to be installing a repeater that has capability for battery backup 
soon. I have room in the bottom of the cabinet for a couple of batteries.

I know If I want to have them in the cabinet then i need to look at AGM type so 
I don't have to worry about venting & spillage. I can fit 2 120AH AGM batteries 
in the bottom of the rack, so that's my plan for permanent installation.

However, there are "insufficent funds" available to purchase those right now. I 
do however have a Marine Deep Cycle 120AH battery at my disposal I could use 
for the time being. It would give me some run time in a power failure.

I know that it could not be in the radio cabinet due to the hydrogen venting. 
My question for the group: Is there a way I can install this for the time being 
safely? The repeater is in the base of a large water tower that is far from 
airtight but still enclosed. How much venting would be required? Do I need to 
vent it outdoors for one battery? Is this a bad idea & I should just wait until 
I can get the AGM batteries I need?

Thank you for any replies. I know we have covered some of this before but 
searching the archives failed to yield the answer I'm looking for.

Tom
W9SRV







Yahoo! Groups Links






  

[Repeater-Builder] Re: Motorola MSR2000 AVTEC card?

[kc7stw]

Well if anyone has a need for it, then its yours.  If it sits around to long, 
it might become a stripped card for a controller.  

> 
> I maintain a number of large Dispatch Facilities using 
> Avtec Gear and it's not bad stuff, just expensive like 
> everyone else doing the same Moducom, Telex/Vega &
> Giatronics.  
> 
> Might be a neat card to have if you use an Avtec Console... 
> 
> cheers, 
> skipp 
> 

[Repeater-Builder] ANNUAL VoIP TOPICAL CONFERENCE IS SATURDAY APRIL 10, 2010 IN LAS VEGAS

[W7AOR]

THE NEXT ANNUAL VoIP TOPICAL CONFERENCE IS SATURDAY APRIL 10, 2010
at Circus-Circus in Las Vegas . 

- Since 2002 -

Each year the meeting is of a broader scope including all the major VoIP 
systems in use by the amateur radio community, i.e., IRLP, Echo link, EchoIRLP, 
All Star, D-Star and DV Dongle. 

Here is a summary of details: 

Place: Las Vegas Circus-Circus Conference Area. The conference area is under 
the North High Rise. Enter from north-east side of the swimming pool.

Date: Saturday April 10, 2010

Time: 8:30am to 5pm

Program: the various VoIP systems; presentations with demonstrations.

Venue: Topical Conference plus Continental Breakfast and buffet style Deli 
Lunch 

Cost: $85 per person. Pay by March 13. $90.00 if by PayPal.  No one allowed 
without payment, no exceptions.

RSVP: Required by March 1, 2010 with deposit of $25.00.

Registration: Please use the Registration Form at  
www.narri.org/voip_registration.html   Please send your check to NARRI, c/o 
Kent Johnson, 395 Peaceful Street, Las Vegas, NV 89110 ASAP or $90 if by PayPay 
to W7AOR with memo identifying conference.

Hotel Rooms: Circus-Circus Hotel will give attendees give a group rate of 
$69.95 for Friday April 9. In order to get that rate, please identify your self 
as attending the VoIP Conference and give the Group Code B04VIP. Register 
online at http://www.circuscircus.com/ or call the Reservations Desk at 
1-800-634-3450 option 1 .  

Talk-in Repeaters: NARRI's downtown repeaters: 447.725 (-) PL 107.2 and 147.000 
(-) PL 123, AllStar Repeater on 449.725 (-) PL 94.8 or  NARRI's D-STAR Repeater 
on 446.800 (-) or 145.175 (-) normally connected to Western D-Star Reflector 
REF014C

Look forward to seeing you in Las Vegas, 

Please direct your questions to Kent W7AOR, w7...@narri.org or phone 
702-452-4412.

See you in Las Vegas.

Kent W7AOR

Re: [Repeater-Builder] Batteries for Backup- Methods

[TGundo 2003]

Thanks to everyone for the feedback so far!


So here is what is bothering me this afternoon. Maybe someone here can shed 
some light on this for me.

The battery I am thinking about using was one I bought a while ago for my boat, 
but I didn't use it because it was too big for the battery box in the boat 
(don't ask). I kept it knowing full well I had other uses for it.

Thinking about this some more, by law any wet cell battery on a boat must be 
contained in a battery box. Thinking more about this, I realize that the 
standard plastic battery box is not really vented, nor completely sealed. In 
the case of my boat (24' pontoon)has two such batteries, one under the seat in 
the rear for the motor and the other under the seat in the front for the 
trolling motor. The compartments under the seats are enclosures in and of 
themselves. The rear one is charging off the engine during run time. On an 
afternoon cruise it could run for several hours charging the battery the whole 
time.

So the wet cell battery, in the box by law, is charging in a box with little 
ventalation. Are boat owners everywhere sitting on ticking hydrogen bombs? 

Tom
W9SRV



  

[Repeater-Builder] 2010 VoIP Topical Meeting in Las Vegas at Circus Circus April 10

[Kent Johnson]

With pleasure we announce that the Eight Annual 2010 VoIP Topical Meeting
will be held again in Las Vegas at Circus Circus April 10.

 

See www.narri.org and click on VoIP Conference tab on left hand side of
page.  That link will take you to photos of past meeting and to the
Registration Form.

 

Each year the meeting is of a broader scope including all the major VoIP
systems in use by the amateur radio community, i.e., IRLP, Echo link,
EchoIRLP, All Star, D-Star and DV Dongle. 



Here is a summary of details: 
Place: Las Vegas Circus-Circus Conference Area. The conference area is under
the North High Rise. Enter from north-east side of the swimming pool.
Date: Saturday April 10, 2010
Time: 8:30am to 5pm
Program: the various VoIP systems; presentations with demonstrations.
Venue: Topical Conference plus Continental Breakfast and buffet style Deli
Lunch 
Cost: $85 per person. Pay by March 13. $90.00 if by PayPal.  No one allowed
without payment, no exceptions.

RSVP: Required by March 1, 2010 with deposit of $25.00.

 

Registration: Please use the Registration Form at
www.narri.org/voip_registration.html   Please send your check to NARRI, c/o
Kent Johnson, 395 Peaceful Street, Las Vegas, NV 89110 ASAP or $90 if by
PayPay to W7AOR with memo identifying conference.

Hotel Rooms: Circus-Circus Hotel will give attendees give a group rate of
$69.95 for Friday April 9. In order to get that rate, please identify your
self as attending the VoIP Conference and give the Group Code B04VIP.
Register online at http://www.circuscircus.com/ or call the Reservations
Desk at 1-800-634-3450 option 1 .  

 

Talk-in Repeaters: NARRI's downtown repeaters: 447.725 (-) PL 107.2 and
147.000 (-) PL 123, AllStar Repeater on 449.725 (-) PL 94.8 or  NARRI's
D-STAR Repeater on 446.800 (-) or 145.175 (-) normally connected to Western
D-Star Reflector REF014C

Look forward to seeing you in Las Vegas, 

 

Please direct your questions to Kent W7AOR,  
w7...@narri.org or phone 702-452-4412.

 

See you in Las Vegas.

Kent W7AOR 

www.narri.org 

 

[Repeater-Builder] repost: FREE

[Randy]

The last person that claimed this, never responded.
>
> Motorola ATV 5090B Amplifliar
> you pay postage
>