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Re: Motorola Quantar 5MHz Reference Ultra High Stability Oscillator CLN1477A
I own a couple of VHF Quantars and no the high stability option is just not worth it...analog UHF, optional .. UHF P25, it does help...900 it's mandatory!! The Quantars refused to sync up without it. I have several 900 Quantars I'm deploying and need more HSOs Chris WB5ITT? On Sat, Mar 22, 2025, 11:55 AM Jeff Acree via <locustpointlight=[email protected]> wrote:
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Backup Battery for SLE 5700
Hi,
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I'm looking to see if anyone here has a preferred or a "go-to" type of battery that you use for your repeaters. I'm installing an SLR 5700 in a temperature-controlled room. How long do I need the repeater to run on batteries? That really depends on the price of each battery and how many I can afford to buy. I have been very satisfied with Echo-Worthy products on Amazon for other ham radio activities but not sure if they're the right choice for a repeater and also if they fit the SLR 5700 internal battery charger.?
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Also, when you have batteries connected to a repeater for backup power, do you put any other components in between the battery and the repeater? Perhaps for overcharge or over-discharge protection:?
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All suggestions and recommendations would be appreciated.?
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Best,
Sepehr N6IRN |
Re: Motorola Quantar 5MHz Reference Ultra High Stability Oscillator CLN1477A
Another way to look at it, most of the time your repeater will be much closer to being on frequency than most of your user radios. There will be enough tolerance that no one will know the difference.
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Mick - W7CAT ----- Original Message -----
From: "Mike via groups.io" To: [email protected] Sent: Saturday, March 22, 2025 08:36:40 PM Subject: Re: [repeater-builder] Motorola Quantar 5MHz Reference Ultra High Stability Oscillator CLN1477A A Quantar high stability oscillator would allow a VHF repeater to gofor a very long time without having to adjust back on frequency. The stock osc in a VHF Quantar is pretty good and should go maybe a couple of years without drifting far enough to worry about. I have a spare high stability osc here and a couple of VHF and several UHF Quantars and would not bother to use it on those. If you already own one it wont hurt to use it but I don't think its worth purchasing at the typical $200 to $250 prices I've seen recently. -- Untitled Document |
Re: Motorola Quantar 5MHz Reference Ultra High Stability Oscillator CLN1477A
A Quantar high stability oscillator would allow a VHF repeater to go for a very long time without having to adjust back on frequency. The stock osc in a VHF Quantar is pretty good and should go maybe a couple of years without drifting far enough to worry about. I have a spare high stability osc here and a couple of VHF and several UHF Quantars and would not bother to use it on those. If you already own one it wont hurt to use it but I don't think its worth purchasing at the typical $200 to $250 prices I've seen recently.? |
Re: Internet provision at a remote repeater site?
Or HamVOIP or IRLP or most any kind of link that is not your own.
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Mick - W7CAT ----- Original Message -----
From: "Chris Boone WB5ITT via groups.io" To: [email protected] Sent: Saturday, March 22, 2025 08:04:17 PM Subject: Re: [repeater-builder] Internet provision at a remote repeater site? Sending IDs, courtesy times, etc. down all-star is big no no.....rules repeater --site?If AllStar is all you want to accomplish, you could just set up anAllStar node and set it to TX on your repeater's receive frequency and Untitled Document |
Re: Internet provision at a remote repeater site?
Sending IDs, courtesy times, etc. down all-star is big no no..... The uplink would also have to be legally IDed in the US under part 97 rules Chris WB5ITT? On Sat, Mar 22, 2025, 8:15 PM Teton Amateur Radio Repeater Association (TARRA) via <tarra=[email protected]> wrote: Not quite so simple. You need to get rid of the repeater IDs and any |
Re: Internet provision at a remote repeater site?
开云体育And hang times...So you set up the repeater to transmit PL only during active receive. The COR drops, the tone stops, and the CT, ID and hang time are now invisible to the Allstar receiver. Chuck WB2EDV On 3/22/2025 9:15 PM, Teton Amateur
Radio Repeater Association (TARRA) via groups.io wrote:
Not quite so simple. You need to get rid of the repeater IDs and any courtesy tones. |
Re: Motorola Quantar 5MHz Reference Ultra High Stability Oscillator CLN1477A
A few more questions on this topic.
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1. Understanding the High Stability Oscillator module is used mostly (or perhaps exclusively - not sure) with the 900 MHz Quantars.? Are they of any benefit on VHF Quantars.
2. Is the High Stability Oscillator module used for periodic calibration and verification? Or are the station VCOs locked to it at all times when installed?
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Thanks!
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Re: Internet provision at a remote repeater site?
Not quite so simple. You need to get rid of the repeater IDs and any courtesy tones.
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Mick - W7CAT ----- Original Message -----
From: "Sepehr - N6IRN via groups.io" To: [email protected] Sent: Saturday, March 22, 2025 03:15:51 PM Subject: Re: [repeater-builder] Internet provision at a remote repeater site? If AllStar is all you want to accomplish, you could just set up anAllStar node and set it to TX on your repeater's receive frequency and RX on your repeater's transmit frequency, just like how you would program any other radio for that repeater. reliable internet, and make an RF link to the repeater. -- Untitled Document |
Re: Motorola R100 eeproms or lack of them
开云体育
Attached is a document I put together many years ago, which outlines how I successfully replaced R100 EEproms, back in the day.? I built a EProm programmer called "Pony Prog", I found described on the internet at that time.? Pony Prog? would program? the? ATMEL 24C02's.?? The programmer may still be documented somewhere on the internet.?? I haven't looked for it lately.? As I remember it wasn't terribly hard to build.
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I'm pretty sure I can find image files for the? "blank" TX & RX? EEproms,? if it would help.
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Don't know whether? the ATMEL 24C02's are still available??
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Memory is fuzzy, but, I think in some cases I could read the R100 and then swap out the EEProms for the new EEProms with the "blank" image burned and write the image back out with the Motorola RSS.???? In other cases I re-programmed the R100 from scratch as described in the document.
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Brett? N5SQK
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Re: Are Quantar Modules Plug n Play?
Yes but you need to read the station with CPS, change the receive to band 2 then probably write in the frequencies as they will be erased when changing bands. It will complain if you are entering 2m amateur freqs in R2 but just tell it to disregard and it will program. Depending on frequency I would recommend checking the VCO voltage as some R2 modules won't go very low into the 2m band but you should be able to tweek the VCO coil and improve things.? |
Re: Internet provision at a remote repeater site?
If AllStar is all you want to accomplish, you could just set up an AllStar node and set it to TX on your repeater's receive frequency and RX on your repeater's transmit frequency, just like how you would program any other radio for that repeater.
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That way, you can keep the AllStar node at home, where you have reliable internet, and make an RF link to the repeater.? |
Re: another RSS question...
On Mon, Mar 17, 2025 at 02:23 PM, dsay2001 wrote:
An acquaintance has a few GM300s as control receivers on his repeaters (MTR and Quantar). ? He used to haul around a Toughbook for radio programming and a Toshiba laptop that
booted into MS-DOS just for the GM300s.
Now he has DOSbox-X on his Toughbook and uses it to run the GM300 RSS. ?
It works well.
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