At 06:37 AM 11/27/04, Joe K1IKE [EMAIL PROTECTED] wrote:
Heating: I use a 40 watt light bulb in my repeater
for heat. I have it plugged into a Freeze Alarm
unit and set it to 55 degrees. The Freeze Alarm is
something used up in the North that you normally plug
a light into and put the
Larry, that is a very good idea.
Neil
Larry Lockard wrote:
At 06:37 AM 11/27/04, Joe K1IKE [EMAIL PROTECTED] wrote:
Heating: I use a 40 watt light bulb in my repeater
for heat. I have it plugged into a Freeze Alarm
unit and set it to 55 degrees. The Freeze Alarm is
bill is out of hand!
73,Lee,N3APP in chilly Erie,Pa
- Original Message -
From: Neil McKie [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Sunday, November 28, 2004 9:06 AM
Subject: Re: [Repeater-Builder] Cabinet Suggestions
Larry, that is a very good idea.
Neil
Larry
Be careful of these, they can cause RFI in the VHF
range. We were working on a noise problem on the
147.06 repeater here in Connecticut a while back and I
noticed interference got worse when doing a
sensitivity test. The noise proved to be external to
the repeater equipment, and it got better
Subject: Re: [Repeater-Builder] Cabinet Suggestions
Be careful of these, they can cause RFI in the VHF
range. We were working on a noise problem on the
147.06 repeater here in Connecticut a while back and I
noticed interference got worse when doing a
sensitivity test. The noise proved
I am thinking about security and ventilation.
Site is cool/warm (comm trailer on state/county site heated/cooled)
So what about gutting a small refrigerator; several vent and cable ports
Putting repeater and cavities in box
Locking same...
Comments criticisms
--
Robin WE1MD
- Original Message -
From: Robin Staebler [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Friday, November 26, 2004 7:58 AM
Subject: [Repeater-Builder] Cabinet Suggestions
I am thinking about security and ventilation.
Site is cool/warm (comm trailer on state/county site
or the poor
quality equipment that needed it. Just put fans on the power amp and power
supply heatsinks,at least if they fail,it will still have some chance of
convection cooling.
Subject: Re: [Repeater-Builder] Cabinet Suggestions
My first repeater was installed in a refridgerator that i gutted. I didn
Cooling: This can normally be done with lots of moving
air, Air Conditioning is not always necessary. You
could use 2 fans, one small one thermostatically
controlled to cool the cabinet to maybe 75 degrees. I
would have a second larger fan to take care of the
really hot times, maybe set at 80
site owner would allow a fridge as a cabinet or the poor
quality equipment that needed it. Just put fans on the power amp and power
supply heatsinks,at least if they fail,it will still have some chance of
convection cooling.
Subject: Re: [Repeater-Builder] Cabinet Suggestions
My first
During the early seventies, I was working for a 2-way radio shop
in the Los Angeles area.
One very hot summer day, one of our customers complained his base
station had apparently quit so I was dispatched to repair it. The
base was in a unventilated two car garage on a hill top.
At 06:37 AM 11/27/04, Joe K1IKE [EMAIL PROTECTED] wrote:
Heating: I use a 40 watt light bulb in my repeater
for heat. I have it plugged into a Freeze Alarm
unit and set it to 55 degrees. The Freeze Alarm is
something used up in the North that you normally plug
a light into and put the light
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