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Date

Re: Coating Aluminum

 

In a message dated 4/21/99 11:13:58 AM !!!First Boot!!!, lazer@...
writes:

<<
I use it on all my tools, but the stuff is extremely HEAVY.
I could imagine that it would double the weight of most
aluminium antennas!
>>

You can thin it with automotive paint thinner, just make it "pissy" and dip
the antenna and let it dry, then dip again and so on.. Its thick because of
its application to tools. I use this stuff at work to cap the Motorola
antennas on the HT's they lose those caps and scratch everyone or things
around the work area, This stuff is great but you would need to be thinned
in order to work onto a base antenna. Hey and it comes in colors too!! Richy


Ge S-550 control head

Jim Horvat
 

Hi
I am looking for a scan board for a GE s-550 contril head. Or the
microprocessor chip for the later version scan board the one without the
battery. I think the early verson bord the one with the battery will
also work but would need the complete board.
Thanks Jim W8WRP


Re: GE MASTR II Question

John Lloyd
 

Jeff,

Do you have a mobile or a base station??

John Lloyd, K7JL


Jeff Weinberg W8CQ wrote:

Hello Listmembers,I am in the process of starting the duplex mod and
controller hookup with a MASTR II. I have seen many different wording
(versions) of the modification for duplex and interface to a
controller. These include the "standard" duplex mod to additional
modification of the plug were the Channel-Guard board goes to accept
controller wiring at that point. Can someone give me an answer for the
definitive mod process for duplex and interfacing to a RLC-1+
controller. I really want to have it straight in my mind before I
carve up my radio. Thanks in advance,Jeff Weinberg W8CQ
w8cq@...


Re: Coating Aluminum

 

Another option: the rubberized roof coating, applied thinly with a
brush to the antenna. It holds up for several years in the Arizona
sun.

All for now./Comments invited!
Ed N6KIV


______________________________ Reply Separator _________________________________
Subject: [Repeater-builder] Re: Coating Aluminum
Author: ruhe+@... at mime
Date: 04/21/1999 06:33


From: "D. Ruhe" <ruhe+@...>

I have found that Clear Acrylic works very well. Sold at any hardware
store. Rust Oleum, Defi Rust just a few of the brand names. -Dan-

Ed Bathgate, RMA Repair Dept x8785 wrote:

From: "Ed Bathgate, RMA Repair Dept x8785" <ed@...>

Has anybody used epoxy paint?

I have heard of it being used for plastic/fiberglass
dirtbike parts that flex a lot.
I have seen it sold in spray cans for kitchen appliance
refinishing.

What do they paint airplanes with?
That should work well on a antenna.

$.0179 (not quite worth 2 cents)

Ed N3SDO

Ed Bathgate RMA Dept (724) 772-8785
pager (412) 649-6773

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Re: Coating Aluminum

D. Ruhe
 

I have found that Clear Acrylic works very well. Sold at any hardware
store. Rust Oleum, Defi Rust just a few of the brand names. -Dan-

Ed Bathgate, RMA Repair Dept x8785 wrote:


From: "Ed Bathgate, RMA Repair Dept x8785" <ed@...>

Has anybody used epoxy paint?

I have heard of it being used for plastic/fiberglass
dirtbike parts that flex a lot.
I have seen it sold in spray cans for kitchen appliance
refinishing.

What do they paint airplanes with?
That should work well on a antenna.

$.0179 (not quite worth 2 cents)

Ed N3SDO

Ed Bathgate RMA Dept (724) 772-8785
pager (412) 649-6773

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Voter description

Cris Caraballo
 

Does anyone know of a web site that has a technical description of a voter.
No specific brand I just need information on how they work.
Thanks, 73
Cris KE4IIF


Re: Coating Aluminum

Ed Bathgate, RMA Repair Dept x8785
 

Has anybody used epoxy paint?

I have heard of it being used for plastic/fiberglass
dirtbike parts that flex a lot.
I have seen it sold in spray cans for kitchen appliance
refinishing.

What do they paint airplanes with?
That should work well on a antenna.

$.0179 (not quite worth 2 cents)

Ed N3SDO


Ed Bathgate RMA Dept (724) 772-8785
pager (412) 649-6773


Re: Cheap RIC

Lou Harris
 

Try the NHRC line of controllers.

I am using 4 of them.

Total cost, aroun 60 - 70 $!!!


LOU<<<
-----Original Message-----
From: The Lacko's [mailto:Lacko@...]
Sent: Tuesday, April 20, 1999 7:18 PM
To: Repeater-builder@...
Subject: [Repeater-builder] Cheap RIC


From: "The Lacko's" <Lacko@...>

Does anyone have a source for a VERY!!! basic RIC ( Repeater Interface
Controller). I do not need voice prompts or beeps. Just a plain old PL
detect/CAS in equals Ptt out with adjustable hang time and repeat audio
level adjust.

Thanks,
scott


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Re: Coating Aluminum

The Lacko's
 

And increase the wind loading!

At 04/21/1999 07:14 AM, you wrote:
From: "Tedd Doda" <lazer@...>

On Tue, 20 Apr 1999 20:18:22 -0400, mch wrote:

Has anyone tried the rubberized coating used on metal tools? I'm talking
about the stuff you dip a pair of pliers (handles only) into for 10
seconds, remove and allow the excess to run off for 10 seconds, then
hang to let dry. Would this work on aluminum antennas?
I use it on all my tools, but the stuff is extremely HEAVY.
I could imagine that it would double the weight of most
aluminium antennas!


Tedd Doda CET CEO

Lazer Audio and Electronics

packet ve3tjd@va3sed
e-mail lazer@...



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Re: Coating Aluminum

 

On Tue, 20 Apr 1999 20:18:22 -0400, mch wrote:

Has anyone tried the rubberized coating used on metal tools? I'm talking
about the stuff you dip a pair of pliers (handles only) into for 10
seconds, remove and allow the excess to run off for 10 seconds, then
hang to let dry. Would this work on aluminum antennas?
I use it on all my tools, but the stuff is extremely HEAVY.
I could imagine that it would double the weight of most
aluminium antennas!


Tedd Doda CET CEO

Lazer Audio and Electronics

packet ve3tjd@va3sed
e-mail lazer@...


Re: Voter description

Justin Reed
 

At 08:09 4/21/99 -0500, you wrote:
From: Cris Caraballo <ccarabal@...>

Does anyone know of a web site that has a technical description of a voter.
No specific brand I just need information on how they work.
Thanks, 73
Cris KE4IIF
Voters use a dedicated receiver for each link at the voter site.
It is important that those receivers have the same audio frequency response.
The voter simply compares the audio level of all of the receivers. If a
given signal has more voltage on one receiver than another, then it must
have more noise. Thus, the voter will vote the receiver with the least
amount of audio.

Justin and Kim Reed
NUJQ and KBNTH
910 N. Argyle
Minneapolis, Kansas 67467

e-mail: jreed@...

The N0UJQ Homepage


Re: Coating Aluminum

Randy Leval
 

Hi Mike,
Well I live on Maui very near to the Pacific ocean too. I dont know about
that special coatings but we use silicon sealer on all the joints, nuts and
bolts and coax seal on connectors. It does the trick. Aloha,
Randy AH6GR

Mike Hamann wrote:

From: "Mike Hamann" <wb6csh@...>

Hi gang!
I live in an area next to the Pacific Ocean, and the
salty air from that body of salty water causes rapid
corrosion of most metals, particularly aluminum. So, it is
imperative that metal antennas (except gold!) be protected
from the atmosphere.
Back in the 60's there was an article in a non-QST ham
journal about how the Point Magu (sp?) test range protected
their metal antennas with a two-part brush on chemical that
had a commercial name that started with "Magma-....". The
article was written by a ham who worked at Pt. Magu (again
relying on my memory!).
I ordered some of the stuff, coated several aluminum
antennae with it, and was very impressed. It dried, but
remained flexible so the metals expansion and contraction
would not chip it off. In fact, I neglected one of the
two-meter beams in Manhattan Beach, CA, and allowed it to get
partially buried in the basement part of the house for
"years". Normally, such neglect would result in the aluminum
getting that Al- oxide (Al2O3?) coating, making the antenna -
if it physically survived - useless as a radiator.
I think the company that made the stuff has probably long
been extinct. Does anyone know of, or tried anything recently
to protect antennas from smog, sunshine, salt air, etc.?
Please do not suggest Krylon spray - it doesn't protect for
very long, chips off within months when exposed to UV
radiation and smog, at least near the Pacific Ocean.
Thanks in advance!
73,
Mike, wb6csh

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GE MASTR II Question

Jeff Weinberg W8CQ
 

Hello Listmembers,
I am in the process of starting the duplex mod and controller hookup with a MASTR II. I have seen many different wording (versions) of the modification for duplex and interface to a controller.

These include the "standard" duplex mod to additional modification of the plug were the Channel-Guard board goes to accept controller wiring at that point.

Can someone give me an answer for the definitive mod process for duplex and interfacing to a RLC-1+ controller. I really want to have it straight in my mind before I carve up my radio.

Thanks in advance,
Jeff Weinberg W8CQ
w8cq@...


Re: Coating Aluminum

mch
 

Has anyone tried the rubberized coating used on metal tools? I'm talking
about the stuff you dip a pair of pliers (handles only) into for 10
seconds, remove and allow the excess to run off for 10 seconds, then
hang to let dry. Would this work on aluminum antennas?

If anyone has tried this, how hard is it to peal off if you had to 'get
to' the actual antenna again for some reason?

Joe, KR3P

Mike Hamann wrote:


I live in an area next to the Pacific Ocean, and the
salty air from that body of salty water causes rapid
corrosion of most metals, particularly aluminum. So, it is
imperative that metal antennas (except gold!) be protected
from the atmosphere.
Back in the 60's there was an article in a non-QST ham
journal about how the Point Magu (sp?) test range protected
their metal antennas with a two-part brush on chemical that
had a commercial name that started with "Magma-....". The
article was written by a ham who worked at Pt. Magu (again
relying on my memory!).
I ordered some of the stuff, coated several aluminum
antennae with it, and was very impressed. It dried, but
remained flexible so the metals expansion and contraction
would not chip it off. In fact, I neglected one of the
two-meter beams in Manhattan Beach, CA, and allowed it to get
partially buried in the basement part of the house for
"years". Normally, such neglect would result in the aluminum
getting that Al- oxide (Al2O3?) coating, making the antenna -
if it physically survived - useless as a radiator.
I think the company that made the stuff has probably long
been extinct. Does anyone know of, or tried anything recently
to protect antennas from smog, sunshine, salt air, etc.?
Please do not suggest Krylon spray - it doesn't protect for
very long, chips off within months when exposed to UV
radiation and smog, at least near the Pacific Ocean.


Coating Aluminum

Mike Hamann
 

Hi gang!
I live in an area next to the Pacific Ocean, and the
salty air from that body of salty water causes rapid
corrosion of most metals, particularly aluminum. So, it is
imperative that metal antennas (except gold!) be protected
from the atmosphere.
Back in the 60's there was an article in a non-QST ham
journal about how the Point Magu (sp?) test range protected
their metal antennas with a two-part brush on chemical that
had a commercial name that started with "Magma-....". The
article was written by a ham who worked at Pt. Magu (again
relying on my memory!).
I ordered some of the stuff, coated several aluminum
antennae with it, and was very impressed. It dried, but
remained flexible so the metals expansion and contraction
would not chip it off. In fact, I neglected one of the
two-meter beams in Manhattan Beach, CA, and allowed it to get
partially buried in the basement part of the house for
"years". Normally, such neglect would result in the aluminum
getting that Al- oxide (Al2O3?) coating, making the antenna -
if it physically survived - useless as a radiator.
I think the company that made the stuff has probably long
been extinct. Does anyone know of, or tried anything recently
to protect antennas from smog, sunshine, salt air, etc.?
Please do not suggest Krylon spray - it doesn't protect for
very long, chips off within months when exposed to UV
radiation and smog, at least near the Pacific Ocean.
Thanks in advance!
73,
Mike, wb6csh


Re: GE Modifications Web Page

John Lloyd
 

There are some excellent Modifications for GE MastrII and MVP for 222
Mhz and to make them into Repeaters at the following page:



John Lloyd, K7JL

Utah VHF Society


Cheap RIC

The Lacko's
 

Does anyone have a source for a VERY!!! basic RIC ( Repeater Interface
Controller). I do not need voice prompts or beeps. Just a plain old PL
detect/CAS in equals Ptt out with adjustable hang time and repeat audio
level adjust.

Thanks,
scott


Re: GE MASTER II VHF MOBILE Exciter Problems

tom oliver
 

did you remember to ground the f1 select line?

tom n8ies

Brent DeSalvo KF4TNP wrote:

From: Brent DeSalvo KF4TNP <Bug1@...>

I have taken my master II parts from the base cabinet(need more roomin
the cabinet)and the tx died.
Well it sort of died, it does work when 10v is applied to the tx osc
leg, but not when the PTT leg is pulled to ground it does not. I did
replace the jumper on the control board cause the CTCSS is not used but
still no luck. I have about 8 volts little more on the PTT line(after
installing the jumper for ctcss) and the 10v reg is right at 10 volts,
on the dot. Is there a control transistor for the exciter i am
unfamiliar with the mobile layout of the Master II VHF mobile rig

--
Brent DeSalvo (KF4TNP)

ICQ UIN# : 17430698
Mailto:bug1@...

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Re: GE MASTER II VHF MOBILE Exciter Problems

Brent DeSalvo KF4TNP
 

WELL i got it working thanx to who all was going to reply .. and All parts
on the way

Brent DeSalvo KF4TNP wrote:

From: Brent DeSalvo KF4TNP <Bug1@...>

I have taken my master II parts from the base cabinet(need more roomin
the cabinet)and the tx died.
Well it sort of died, it does work when 10v is applied to the tx osc
leg, but not when the PTT leg is pulled to ground it does not. I did
replace the jumper on the control board cause the CTCSS is not used but
still no luck. I have about 8 volts little more on the PTT line(after
installing the jumper for ctcss) and the 10v reg is right at 10 volts,
on the dot. Is there a control transistor for the exciter i am
unfamiliar with the mobile layout of the Master II VHF mobile rig

--
Brent DeSalvo (KF4TNP)

ICQ UIN# : 17430698
Mailto:bug1@...

------------------------------------------------------------------------
G-SHOCK SPORTS WATCH - Built Tough! Built Cool! G-SHOCK keeps you in
Sync! Shock Resistant and Loaded with Features! Electo-luminescent,
Satisfaction Guaranteed*No-Hassle Returns*Only $69 Free Freight in US

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


GE MASTER II VHF MOBILE Exciter Problems

Brent DeSalvo KF4TNP
 

I have taken my master II parts from the base cabinet(need more roomin
the cabinet)and the tx died.
Well it sort of died, it does work when 10v is applied to the tx osc
leg, but not when the PTT leg is pulled to ground it does not. I did
replace the jumper on the control board cause the CTCSS is not used but
still no luck. I have about 8 volts little more on the PTT line(after
installing the jumper for ctcss) and the 10v reg is right at 10 volts,
on the dot. Is there a control transistor for the exciter i am
unfamiliar with the mobile layout of the Master II VHF mobile rig

--
Brent DeSalvo (KF4TNP)

ICQ UIN# : 17430698
Mailto:bug1@...