You need to set dip switches inside the RICK to make it a unidirectional
repeater. The RICK can function as a basic RX to TX repeater control or as
a bidirectional (aka retrans) repeater controller to tie two simplex radios
together in a back to back configuration. Hopefully you have
Ian,
Interestingly the RF Solutions web site does not
list the insertion loss for the CP 70 series duplexers. Looking further
thru the pdf I find that the Cp145 series at 144-174 has a 2 dB insertion
loss. Even assuming 3dB loss in the cavities you have what appears to be
excessive loss,
The antenna seems to be a 800-1000 MHz 5dB mobile type.
Very sloppy install work.
I'd start looking for something around the 900 ISM band.
Milt
N3LTQ
- Original Message -
From: Mike Morris [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Saturday, April 01, 2006 4:38 AM
In early versions the radials were installed at a 90 degree angle from the
mast. Later versions angled them down at about 45 degrees from the mast.
In all cases they were secured with a band clamp and most installers simply
left them off. The antenna will work just fine without them.
IIRC VHF
Eric and all,
The GR500 is only a wall mounted housing, power supply, and fan. The RF
package inside the housing can be a pair of Maxtracs, a pair of GM300's, a
pair of CDM750's (in which case the box is called a CDR750), or it could be
a R1225(very rare). The GR300 is a desktop housing and a
I would say that the price is a bit high for what are described as 2 mobiles
with no duplexer and no mention of a controller.
I was looking at the DRx35 series radios as candidates for just such a setup
for temporary crossband repeaters. They look interesting.
Milt
N3LTQ
- Original
Any way you slice it , that is one BAAAD ASS; and one that I personally
would not want to get on the wrong side of.
Milt
N3LTQ
We now return you to our regularly scheduled repeater building
project.
- Original Message -
From:
[EMAIL PROTECTED]
To:
OK, If I read your post correctly you want to increase the spacing to more
than 5 MHz for use with a VHF-Hi Business system.
Since this is a mobile low power notch only duplexer it will depend on what
spacing you are trying to achieve. If close to 5 MHz, like 5.5 to 6 MHz, I
would try and
Same as any amateur radio requirement, AFIK the rules are the same for any
usage, FM,SSB,ATV,etc. And why waste the power and bandwidth having a
constantly keyed link? Put the Spectra-Tac encoder on the output of the
link RX at the hub site. Wire the outputs to the respective SQM's in the
A good starting point would be at least 30 ft vertical seperation between
the antennas.
Milt
N3LTQ
- Original Message -
From: robertakelseyjr [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Saturday, November 12, 2005 6:36 PM
Subject: [Repeater-Builder] No duplexer- 2
From Decibel's description DB-228...
A high-gain, broadband antenna for 138-174 MHz, the 8-dipole DB228
combines
two DB224E offset-pattern antennas to provide a 9 dBd gain omni or
a 12 dBd
gain offset horizontal pattern. Both DB224E antennas are mounted
with the ends together,
and the
Or as a friend commented a while back;
Radio Shack
You've got questions, we've got blank looks on our faces.
Milt
N3LTQ
- Original Message -
From: Repeater-Builder@yahoogroups.com
To: Repeater-Builder@yahoogroups.com
Sent: Sunday, June 12, 2005 5:29 AM
Subject: [Repeater-Builder]
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