开云体育

Hi guys:

Is there a cross reference list of GE model number to
type/style of radio. I came across a bunch of:

RX64AAW33A/4530G2

The guy said they were Exec II mobiles on 6 meters?


Tedd Doda CET

packet va3sed@va3sed
e-mail lazer@...

I have for sale the following repeater system consisting of ;

ACC RC-850 controller with,
V 3.8 software
Vocabulary expansion option
Computer interface
Phone patch

Hooked to ;
ICOM RP-4020 UHF 50 Watt repeater
Sinclair labs mod # SD-445-4 duplexer
Mounted in a 19" rack, 17"tall
Also included is an ACC DVR. Never hooked it up due to limited space.
All manuals included

$3000 or best offer.

E-mail at K6OPJ@...

73 Mark (K6OPJ)

At 10:50 AM 3/16/99 -0500, you wrote:

From: tom oliver <tsoliver@...>

They make excelent repeaters or remote recievers the only weak part is the

power

supply you will probably have to lower the output and keep a fan on the power
supply or you could run the amp off an external supply I love them exec's

I am

running a mobile exec II right now on my two meter repeater. I wouldn't mind
picking up a couple more base stations myself.

tom n8ies

ps check out Ray Vaughn's repeater page he has tons of info on just this

subject

w7ntf@... wrote:

Thanks for the plug, but I have a more updated site now:



The new site has more pin-out information and a Q&A section.



Ray, KD4BBM

They make excelent repeaters or remote recievers the only weak part is the power
supply you will probably have to lower the output and keep a fan on the power
supply or you could run the amp off an external supply I love them exec's I am
running a mobile exec II right now on my two meter repeater. I wouldn't mind
picking up a couple more base stations myself.

tom n8ies

ps check out Ray Vaughn's repeater page he has tons of info on just this subject

w7ntf@... wrote:

Dave Karr wrote:

From: "Dave Karr" <davek@...>

A linear regulator really isn't the best idea here since power conservation
is a factor. As shown about 50% of the power would be dissipated as heat.
A switching regulator should be able to achieve >85% effieciency fairly
easily.

Of additional interest, there was something in EDN within the last month or
so related to maximizing the output of solar panels to charge batteries,
can't remember if it was presented as an article or as an application
example from Maxim or Linear Tech. One concept presented was taking the
output from a single panel and stepping it up to charge a higher battery
voltage. I'll dig it up if anyone is interested.

* REPLY SEPARATOR *

On 3/14/99, at 11:37 PM, Daniel Byrd wrote:

If you go with a 24 volt system, no need to bye the 24 to 12 reg for
100+.
You can build it for 20 to 30 dollars.
This might help you.

--Dave

------------------------------------------------------------------------> We have a new web site!

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------------------------------------------------------------------------> This list is sponsored by the owners and users of "RBTIP"

------REPLY SEPARATOR------


DAVE:

Please keep me posted, I am interested in maximizing solar panel
efficiency. I am now currently employing 12 panels of 53 watts each
and connected to 10 each 200 ah batteries...I suspect I am not getting
the most of solar energies....Police use of Repeater in mountain site.

thanks

chris inos

wh6um

kp4pknet wrote:

From: kp4pknet@... (kp4pknet)

Hi.....

My name is Max and my call is KP4PK. I run a 144, 222, and 440 mhz machines
on solar and wind power. I use 6, 60 watt solar panels and a 300 watt wind
mill all at 24V. That feeds (8) 6v 220 amp golf cart batteries. I use a 24V
to 13.8V converter to power the repeaters and packet nodes. The system runs
basically with out much supervision other than going to the site every 6 to
8 weeks to check the batteries connections for corrosion and cleaning the
solar panels.

This is not a cheap system. Figure abt $425.00 for each solar panel. abt
$650.00 for the windmill, abt $90.00 per battery, add another $125.00 for
the charge controller and another $100.00 for the voltage down converter.

I bought all the hardware ( but the batteries, which i bought locally) from
Sunelco 1-800-338-6844 and Atlantic Solar Products at 1-410-686-2500. They
can provide you with catalogs and more information.

I hope this helps,

73,

Max KP4PK

Steaven D. Rogers, KU4VR wrote:

From: "Steaven D. Rogers, KU4VR" <ku4vr@...>

I have located a site for my UFH repeater. However, this site does not
have any power that is available to me. Any ideas on how to run my
machine? I have been looking at battery, but I don't think it will run
to long unless I have quite a few batteries. The entire system will
fraw no more that 5 amps. This site is not out of the way for me to go
up every few days and change out a couple of batteries. I just don't
think they will last that long.

Steaven, KU4VR

------------------------------------------------------------------------> > Come check out our brand new web site!

Onelist: Making the Internet intimate
------------------------------------------------------------------------> > This list is sponsored by the owners and users of "RBTIP"

------------------------------------------------------------------------> Come check out our brand new web site!

Onelist: Making the Internet intimate
------------------------------------------------------------------------> This list is sponsored by the owners and users of "RBTIP"

ON POWER FOR YOUR STATION:

SEND EMAIL TO: [email protected] for Rudy Garcia ....sales
person...this company has all the equipment you need.

1. I operate 5 repeaters vhf for government use: Police/fire/hospital
etc. ..located in the mountain -no opwer....using 17each 52 watts solar
panels.....24 200 ah batteries.. ...60 amps controller.....This system
has been up an running for about 4 years now but hike up the mountain
once a month for maintenace. I am located in the tropical ARea (The
Mariana Islands 8hrs. full sunlight daily.......


good luck,

chris inos
wh6um

keep me posted on your project,, if you need additional help. email me.

Put a couple of Solar panels the site with a couple of batteries, maybe 4
batteries.
Steve, WB6YQP

Why not use an old alternator and an ox?

Have you priced ox fuel lately?

Ray J. Vaughan, MS, CBTE
KD4BBM
ray@...

At 01:54 PM 3/15/99 EST, you wrote:

From: w7ntf@...


Greetings...
This is Gary, W7NTF, in Spanaway, WA. I recently acquired several GE Mastr-
Exec II VHF base stations, both of which are currently in the 140 mhz range.
They are very clean, handsome rigs, with mic, power supply built in, etc, and
have multi-channel capability. Measured power out is about 30W on a dummy
load. My question is this:

Is anyone using this type of rig for repeater operation? If so, what problems
did you encounter? I'm wondering if it's worth trying to build repeaters out
of them, or should I bag that idea and maybe think about using them for ham-
simplex voice use, or maybe even consider converting them to 9600 baud packet
for use on the local TCPIP repeater in the Seattle area? What do you think?

I can't help you with the packet questions... but I've done a lot of the
repeater conversions. Perfect radio for a conversion.

Check out my site on how to convert an Exec II desk top into a repeater:



Have fun.

Ray J. Vaughan, MS, CBTE
KD4BBM
ray@...

In a message dated 3/15/99, 1114 AM, Repeater-builder@... writes:
<<>>

Ray,
Thanks for the info. Your web site is top notch. I am printing the information
now.

73 de Gary, W7NTF

---

Cristobal,

I did locate the article I was thinking of. It was a design feature
article in the Feb 4th issue of EDN by a ham that works for Maxim.
Fortunately for those that don't subscribe, EDN has this article available
on line.

The URL for the PDF version is:

For the Online version:

The article is geared towards maximizing the output of a solar panel to
charge batteries and presents a good general discussion on the topic of
solar panel energy maximization.

--Dave


* REPLY SEPARATOR *

On 3/15/99, at 7:13 PM, Cristobal Inos wrote:

From: Cristobal Inos <soni@...>

Dave Karr wrote:

From: "Dave Karr" <davek@...>

A linear regulator really isn't the best idea here since power

conservation

is a factor. As shown about 50% of the power would be dissipated as

heat.

A switching regulator should be able to achieve >85% effieciency fairly
easily.

Of additional interest, there was something in EDN within the last month

or

so related to maximizing the output of solar panels to charge batteries,
can't remember if it was presented as an article or as an application
example from Maxim or Linear Tech. One concept presented was taking the
output from a single panel and stepping it up to charge a higher battery
voltage. I'll dig it up if anyone is interested.

* REPLY SEPARATOR *

On 3/14/99, at 11:37 PM, Daniel Byrd wrote:

If you go with a 24 volt system, no need to bye the 24 to 12 reg for
100+.
You can build it for 20 to 30 dollars.
This might help you.

--Dave

------------------------------------------------------------------------>
We have a new web site!

Onelist: The leading provider of free email community services

------------------------------------------------------------------------>
This list is sponsored by the owners and users of "RBTIP"

------REPLY SEPARATOR------


DAVE:

Please keep me posted, I am interested in maximizing solar panel
efficiency. I am now currently employing 12 panels of 53 watts each
and connected to 10 each 200 ah batteries...I suspect I am not getting
the most of solar energies....Police use of Repeater in mountain site.

thanks

chris inos

wh6um


------------------------------------------------------------------------
We are proud as punch of our new web site!

Onelist: The leading provider of free email community services
------------------------------------------------------------------------
This list is sponsored by the owners and users of "RBTIP"

--Dave

Greetings...
This is Gary, W7NTF, in Spanaway, WA. I recently acquired several GE Mastr-
Exec II VHF base stations, both of which are currently in the 140 mhz range.
They are very clean, handsome rigs, with mic, power supply built in, etc, and
have multi-channel capability. Measured power out is about 30W on a dummy
load. My question is this:

Is anyone using this type of rig for repeater operation? If so, what problems
did you encounter? I'm wondering if it's worth trying to build repeaters out
of them, or should I bag that idea and maybe think about using them for ham-
simplex voice use, or maybe even consider converting them to 9600 baud packet
for use on the local TCPIP repeater in the Seattle area? What do you think?

Speaking of 9600 baud packet, has anyone put these rigs on 9600? I have a 25w
GE Custom MVP mobile rig that easily went to 9600 baud packet and has become
the workhorse of my TCPIP station..... Without in depth comparison it would
appear as if the MVP and MASTR-Exec II are identical inside except for the
power supply and channel board for extra crystals. Ideas?

73, de Gary, W7NTF

get a couple of gel cell batteries and a solar panel to keep them charged.
look into what it would take to get power to the site. it is going to be a
bear without commercial power...good luck ed n4ale

A linear regulator really isn't the best idea here since power conservation
is a factor. As shown about 50% of the power would be dissipated as heat.
A switching regulator should be able to achieve >85% effieciency fairly
easily.

Of additional interest, there was something in EDN within the last month or
so related to maximizing the output of solar panels to charge batteries,
can't remember if it was presented as an article or as an application
example from Maxim or Linear Tech. One concept presented was taking the
output from a single panel and stepping it up to charge a higher battery
voltage. I'll dig it up if anyone is interested.

* REPLY SEPARATOR *

On 3/14/99, at 11:37 PM, Daniel Byrd wrote:

If you go with a 24 volt system, no need to bye the 24 to 12 reg for
100+.
You can build it for 20 to 30 dollars.
This might help you.

--Dave

If you go with a 24 volt system, no need to bye the 24 to 12 reg for
100+.
You can build it for 20 to 30 dollars.
This might help you.

Hi.....

My name is Max and my call is KP4PK. I run a 144, 222, and 440 mhz machines
on solar and wind power. I use 6, 60 watt solar panels and a 300 watt wind
mill all at 24V. That feeds (8) 6v 220 amp golf cart batteries. I use a 24V
to 13.8V converter to power the repeaters and packet nodes. The system runs
basically with out much supervision other than going to the site every 6 to
8 weeks to check the batteries connections for corrosion and cleaning the
solar panels.

This is not a cheap system. Figure abt $425.00 for each solar panel. abt
$650.00 for the windmill, abt $90.00 per battery, add another $125.00 for
the charge controller and another $100.00 for the voltage down converter.

I bought all the hardware ( but the batteries, which i bought locally) from
Sunelco 1-800-338-6844 and Atlantic Solar Products at 1-410-686-2500. They
can provide you with catalogs and more information.

I hope this helps,

73,

Max KP4PK

Steaven D. Rogers, KU4VR wrote:

We have used the small Cellwave duplexers in numerous commercial repeaters.
A few things to remember ;

1.) They will not provide enough isolation in higher power situations.
2.) I believe you need at least 5Mhz separation for the compact units.
3.) Most likely you will not be able to put a pre-amp on the rx'r.
(depending on your coverage requirements)


If i had a choice i would use a large duplexer. It will provide the best
isolation
( for a pre-amp) and the ability to feed higher power thru it. Some of our
100W repeater clean up at .10uV ( Great for rural portable coverage). As
long as the specifications meet your needs the compact duplexers work great.

My two cents worth,

Scott

I have located a site for my UFH repeater. However, this site does not
have any power that is available to me. Any ideas on how to run my
machine? I have been looking at battery, but I don't think it will run
to long unless I have quite a few batteries. The entire system will
fraw no more that 5 amps. This site is not out of the way for me to go
up every few days and change out a couple of batteries. I just don't
think they will last that long.

Steaven, KU4VR

I use the Cellwave mobile duplexers on atleast 4 out 5 of my 440
repeaters and have excellent luck with them. Of course it limits you to
no more that 50 watts, but with my system I have not found a need for
high power. These duplexers also fit very nicely in the Kenwood TKR-820
repeaters.

Bernie (N1IMO)
N1IMO/N1IMN Repeater System
PO Box 991 Hollis, NH 03049-0991
29.64 /53.93/145.31/146.73/147.195/224.50/442.15/443.50
446.175/449.375 MHz CTCSS: 88.5
www.qsl.net/n1imo

From K4yd@...


Thanks for the previous info on mobile duplexers. has anyone used the celwave small duplexer in the ham bands?

k4yd