Cracklies
My bad.......this only happens on the VHF side. UHF is always rock solid
Let's start with the RF equipment list, all in the same enclosed rack
VHF (R2) Quantar 125 watt
Telewave TPRD-1556
By
Ken Arck AH6LE
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#212023
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Re: Speaking of Quantars....
The heatsink grease under the high power pallet and circulator was ok in
the VHF amplifier I just took apart.
[email protected]> wrote:
By
DCFluX
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#212022
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Cracklies
Let's start with the RF equipment list, all in the same enclosed rack
VHF (R2) Quantar 125 watt
Telewave TPRD-1556 duplexer
Kenwood NXR-1800
TPL 90 watt UHF PA
Phelps-Dodge 526-4-1 duplexer
Comet
By
Ken Arck AH6LE
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#212021
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Re: Speaking of Quantars....
What's the likelyhood of the original heat sink compound becoming dried out after all these years.
Would the silver compound used for uP chips be worth the cost?
As this is only for the brick the
By
John
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#212020
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Re: Speaking of Quantars....
I've been considering having a spare PA on hand. Maybe this will give me the impetus to do so and go through it before deploying it. Thanks for the info
I'm still trying to wrap my head around my
By
Ken Arck AH6LE
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#212019
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Re: Old Micor Vhf PA ???
Kevin,
i will read your email tonight,
i am back from the hospital.
73 thanks for the help
gervais ve2ckn
________________________________
De : [email protected]
By
Gervais Fillion
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#212018
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Re: Speaking of Quantars....
One thing I've noticed in the PAs that I've worked on is that Motorola did
not put heat sink compound under the small brick intermediate power
amplifiers. The surface metal under them didn't appear to
By
DCFluX
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#212017
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Re: Speaking of Quantars....
I have an R2 VHF station in 2-meters running at about 55w without issue. I also worked with these stations extensively in the public safety world on VHF, and never had issues running them in the 30-40
By
Chris Baldwin
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#212016
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Re: Anyone have a Doug Hall RBI-1 for sale?
I told you Dave, I'll only buy it if the site comes with it!
:)
--
Chris Baldwin, CETSr. (KF6AJM)
Trustee - MetroNET Cal. Intertie (KB3PX)
By
Chris Baldwin
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#212015
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Speaking of Quantars....
Are the 125 watt VHF PAs known to be particularly finicky as to power level versus creating spurs?
I've been trying to track down a temperature-based crackly on my 2 meter machine (that goes away
By
Ken Arck AH6LE
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#212014
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Re: Digital voice vs analog
I guess it is still a thing.?? Here in an APX user guide....
--
The Real RFI-EMI-GUY
By
RFI-EMI-GUY
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#212013
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Re: Digital voice vs analog
At 800 MHz, something like HEAR CLEAR but known as Flutter Fighter by the engineer who designed it. There was an attempt to implement it on the Dekalb County Smartnet Simulcast system (The first one
By
RFI-EMI-GUY
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#212012
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Re: Anyone have a Doug Hall RBI-1 for sale?
I do, but it comes with a complete repeater and link system.....
By
David Frechette
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#212011
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Re: GE Delta/Rangr programming
I was finally able to program the rangr with raw hex data. I used deltaprg and the nrhcpxp software to get the values I needed and where they needed to be. Of course, neither one of them were correct
By
Tyler- WZ5TX
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#212010
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Anyone have a Doug Hall RBI-1 for sale?
Anyone got an RBI-1 for sale? I need to do something with these Kenwood mobiles laying around this place.
Chris/KF6AJM (callsign at aol dot com)
--
Chris Baldwin, CETSr. (KF6AJM)
Trustee - MetroNET
By
Chris Baldwin
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#212009
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Re: MTR 2000 - PA fan reports not work, but it is working
On other instrumentation -equipment I've encountered in 50 year of Field Engineering, a FAN fault and the fan is spinning, can mean the control circuitry has failed --and the fan can be in an always
By
Larry Macionski
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#212008
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Re: How many hams have private repeaters?
#poll-notice
Tom,
I must disagree with you on one point: " *the frequency belongs to the person or group*."? Maybe you misstated, but no frequency belongs to any one person or group.? We may be coordinated on a
By
Burt K6OQK
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#212007
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Re: WTB, Motorola Quantar UHF R2 100-watt RF Power Amp
Sorry, I must have been asleep when I posted this.
I'm Looking for a Quantar R2 RF Amp.
Thanks,
73,
Randy Fisher
K9MMQ
Roanoke,
By
Randy Fisher K9MMQ
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#212006
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Re: Old Micor Vhf PA ???
The really bad part is it’s low band range 4 AND IS NOT equipped with the full filtering option.
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Kevin Magloughlin
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#212005
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Re: Old Micor Vhf PA ???
Boy, that guys sure wants a lot for that station! Most people give them away any more...
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Jim Barbour
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#212004
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