[EMAIL PROTECTED] wrote:
Hello to All,
I am starting to develop a future ham repeater relation with a tower
site(s) owner and recently got a request for something unusual. The
company has a fleet of VHF radio equipped vehicles. They want to pull up
to a site, enter a touch-tone
Biggest problem I can see is security. Anyone can
receive the frequency and the tones. Simple to program
a ham radio to the same freq and tone. Anybody with
any radio experience will be able to open the gate(s).
Might as well just leave the gates open.
--- [EMAIL PROTECTED] wrote:
Hello to
One thing that can be done is have a receiver with the PL tone used to
open the gate located at the office. Any time that tone is received,
the office would know that someone was accessing the site. If it were
not authorized, law enforcement could be dispatched to the site.
A controller
Actually, they will have to replace all the mikes with TT mikes. Given the
cost of the new mikes and special equipment at the electric gates, etc, it
would be a lot cheaper to go with the garage door opener style system. Maybe
I'll work up an estimate of what they might spent for both systems
Are there plans on the web for using garage door systems to operate gates?
Remember, the gate
may have to be modified to work with the garage door opener. One can find
similar systems at
Home Improvement centers in the $500 - $1,000 range, depending upon the gate
style. From a security
Here's an easy idea that is currently in use. A police department wanted a
way to open a garage door from the cruiser, other than calling the station
and having them push a button. Solution was to take an old radio (Maxtrac
in thsis case) laying around, install it into a metal box, bring out
I have been following this thread with some interest, because the
suggestions vary between relative extremes of cost. complexity, and
practicality. As I understand the concept, the originator seeks to improve
his relationship with the site owner, and has offered to improve site
security and ease
Why not just use a garage door opener radio?
Chuck
WB2EDV
- Original Message -
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Saturday, May 26, 2007 4:03 PM
Subject: [Repeater-Builder] OT: Need to find a product to develop goodwill
at a tower site(s)
Hello to
At 01:03 PM 05/26/07, you wrote:
Hello to All,
I am starting to develop a future ham repeater relation with a tower
site(s) owner and recently got a request for something
unusual. The company has a fleet of VHF radio equipped
vehicles. They want to pull up to a site, enter a touch-tone
Joe:
Probably one of the cheapoest ways to do this would be to get an el cheapo
rptr controller and connect it to a VHF rcvr. The company can then buy DTMF
mikes for their radios. If it were me, I'd set up a separate VHF freq or
the same
freq with a different PL for the gate actuator. I
Good idea, Chuck. Sorry I didn't think of that.
Keep it simple.
73,
Dick W1NMZ
- Original Message -
From: Chuck Kelsey
To: Repeater-Builder@yahoogroups.com
Sent: 26 May, 2007 13:23
Subject: Re: [Repeater-Builder] OT: Need to find a product to develop
goodwill at a tower site(s)
Why
It'll be much more secure than broadcasting tones over the company frequency
where someone could be listening. Also, the garage door openers are short
range so that there's less chance of an accidental unlocking.
Chuck
- Original Message -
From: Dick [EMAIL PROTECTED]
To:
here is the all put together item.
get a mobile there has tome decode in it and a relay output and you will have
it all done.
Some of the Kenwood's and Icoms we sell will do it.
John
- Original Message -
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent:
But, if I did this, it would not be an off the shelf product and I would end
up being the support repair for the units. There may be several of them.
They want to use the talk around frequency to activate the gate.
joe
-- Original message --
From: Dick [EMAIL
If I ended up doing an external TT decoder, I'd probably use the Comm Spec
unit.
Joe
-- Original message --
From: Mike Morris WA6ILQ [EMAIL PROTECTED]
NHRC has a DTMF control board for $90
http://www.nhrc.net/nhrc-remote-plus/
however it controls 8 devices.
This is absolutely the best idea so far, thanks. Cost does not seem to be an
issue at this point. Product support can be by their existing two-way shop
that maintains the fleet radios.
Thanks,
Joe
-- Original message --
From: Maire-Radios [EMAIL PROTECTED]
They rejected this idea. They want to use the company radios, for some reason
that I can't figure out.
Joe
-- Original message --
From: Chuck Kelsey [EMAIL PROTECTED]
It'll be much more secure than broadcasting tones over the company frequency
where someone
You are correct. That's why I want to find something commercially built and
recommend it to their two-way radio group or electrician. I want to keep my
distance from this project. My part of the project would be to find something
that they want, not necessarily what I would do.
I tried to
Joe, using the talkaround freq works, but do they have DTMF mikes?
I really like Chuck's idea of a garage door opener.
Dick W1NMZ
- Original Message -
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: 26 May, 2007 15:25
Subject: Re: [Repeater-Builder] OT: Need to find
They already own the radios, they already have the freq, no new in-vehicle
gear
needed and no training to speak of.
Dick
- Original Message -
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: 26 May, 2007 15:22
Subject: Re: [Repeater-Builder] OT: Need to find a product
Try this unit, hooked to a receiver at the site.
http://www.dschmidt.com/dtmf.html
How about using a receiver programmed for the same frequency and tone that the
user regularly uses. Let the tone
decoder activate the gate but RF shield the receiver so the range is limited
such that the operator has to be in site of
the gate. No additional unit programming or touch tone
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