Re: SLR5700 repeater
At least 1500 if not more. Especially since they are still in production
and they're not going anywhere anytime soon. Try 80% of the new price,
that's what I usually use. What
By
Chris Boone WB5ITT
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#214866
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Re: Filter recommendation for DC fan motor interference to echo Link.
You could try about a 10 ohm resistor, with a >2000 uf cap on both sides to
ground (A pi network). Better yet, use a toroid instead of a resistor
with a lot of windings.
Good news is that the noise
By
wj9jrg
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#214865
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SLR5700 repeater
What is the value on the used market for a Motorola SLR5700 repeater
removed from a working trunk system in excellent condition?
Only reason for change is system does not meet the needs of the user
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n5qs
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#214864
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Re: Help with out of range programming a Motorola GP300
They probably won't go. 440 is going to be pushing the upper limit, most likely.
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Jim Barbour
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#214863
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Re: TKR-850 No Receive
And yes, the front end needs to be re-tuned if it's being moved more than maybe a MHz.
But there's also an issue with ceramic filters in the IF on most all radios from that vintage back into the 90's.
By
Jim Barbour
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#214862
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Re: Andrew DB201 Antenna
I haven't had a chance to post it, but I have a set of *factory* 47.42 channel elements for a Micor. K1003A/K1004A
They should only go to someone who is actually putting a Micor on 47.42, not someone
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Jim Barbour
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#214861
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Re: Filter recommendation for DC fan motor interference to echo Link.
Hello Mike,
Happen to have a part number to start a search with? Google shows a lot of bathroom exhaust fans.
Mick - W7CAT
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Teton Amateur Radio Repeater Association (TARRA)
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#214860
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Re: Kenwood TKR-820 UHF
Run it off external 12v supply....the internal is a switcher...they die
like that if you haven't recapped it
wrote:
By
Chris Boone WB5ITT
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#214859
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Kenwood TKR-820 UHF
Weird one for the experts... I have a TKR-820 that has been running for YEARS.? And before I got it, it was running for years!!!
After about of month of running (summer/winter no difference), it
By
nh6bf
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#214858
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Re: Filter recommendation for DC fan motor interference to echo Link.
Google Panasonic low EMI fan.? They work great; no noise.? I run them exclusively on several repeaters.
Mike?WM4B
Yahoo Mail: Search, Organize, Conquer
On Sun, Apr 27, 2025 at 1:13 PM, Teton
By
Mike Besemer - WM4B
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#214857
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Re: Filter recommendation for DC fan motor interference to echo Link.
The problem is your fan of course. I looked and can't find my information on it, but someone on here will probably have it. Panasonic make a line of fans that won't make electrical noise. I have fans
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Teton Amateur Radio Repeater Association (TARRA)
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#214856
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Re: TKR-850 No Receive
PacParts sells the molex plug with the bumper wire.
Les Keegan?N4LPK?
By
Les Keegan
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#214855
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Re: Help with out of range programming a Motorola GP300
"If the radio has the proper range . . ."
Then there is no need to do anything but program it as you normally would. What he is trying to do is program some radios that are NOT in the proper range.
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Teton Amateur Radio Repeater Association (TARRA)
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#214854
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Filter recommendation for DC fan motor interference to echo Link.
Hi everyone, I just installed a small DC fan to cool my Link radio and notice when echo Link is active I get a wine on the signal going into the controller for my echo link. Don't get this when
By
Chad Nelson
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#214853
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Re: PD526 Duplexer Tuning
I ditto that. Every 526 I have tuned was done by individually tuning each cavity as per the instructions (there's more than one version of that) and then re-connect and each has been right on the
By
George Csahanin
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#214852
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Re: Help with out of range programming a Motorola GP300
Howdy,
If the radio has the proper range just hold down o the shift key while typing in the frequency but let off the shift key when typing the middle decimal. The press shift again when you type in
By
Freddie Mac-KD5FMU
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#214851
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Re: TKR-850 No Receive
The TKR-850/851 voltage regulator ¡°failures¡± are most often attributable to a design problem I tracked down a number of years ago after having two TKR-850¡¯s intermittently lose audio (of course,
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Jeff DePolo WN3A
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#214850
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Re: TKR-850 No Receive
The Service Manual is on RB. The rear panel 15 pin Molex connector is for
attaching an external (KES-4, etc) speaker.
If the supplied jumpered male Molex is missing, the previous user had an
external
By
Joel W6BQD
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#214849
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Re: PD526 Duplexer Tuning
They came off other PD526¡¯s; how close the factory made them to 11.5¡±, and how accurately you can measure them after having been deformed by the tight bend radius on a 526, I can¡¯t say. But I
By
Jeff DePolo WN3A
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#214848
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Re: PD526 Duplexer Tuning
It's only capable of 1024 points max. I think everything else I can set to
your specs.
By
Part 15 Engineer
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#214847
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