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2000' spool of FSJ4-75
I have located a "new" spool of FSJ4-75, 2000', in SoCal. I have not personally inspected it, however, the pics I've seen show it still with the corrugated cover on the spool. It is stored upright and
By Matt · #213663 ·
Re: Repeater hang time/tail circuit
VHF Engineering used a similar COR board .? ?While not hardware so to speak I would look at the ARDUINO repeater control software. Ralph ku4pt
By Ralph Mowery · #213662 ·
Re: Sinclair Q2220E Rod replacement
On 2025-03-05 3:11 p.m., Ramesh Dhami \(VA3UV\) wrote: > On 2025-03-05 12:06 p.m., David Cameron - IRLP via groups.io wrote: >> I use a similar method that I find a little more accurate for
By Ramesh Dhami \(VA3UV\) · #213661 ·
Re: Sinclair Q2220E Rod replacement
On 2025-03-05 12:06 p.m., David Cameron - IRLP via groups.io wrote: > I use a similar method that I find a little more accurate for setting > the loops. It's very hard to set the pass for 1db IL
By Ramesh Dhami \(VA3UV\) · #213660 ·
Re: Repeater hang time/tail circuit
For tail timer for repeater using 555 build as regular timer circuit with timing for like 3 sec or what you need and with transistor driven by COS ground pin 6 of 555 (transistor collector to pin 6,
By Ron Wright · #213659 ·
Re: Repeater hang time/tail circuit
Hamtronics was a US based company that designed and built repeater circuitry in modules and made it available in kit form or assembled and tested. Here are all of the manuals for this equipment
By Kevin Custer · #213658 ·
Re: Repeater hang time/tail circuit
I did one years ago with a 555 driving a 4093 Schmidt trigger with a RC circuit to handle hang time...it's easy .. I don't have the schematic here with me right now but I can post it later Chris
By Chris Boone WB5ITT · #213657 ·
Re: Sinclair Q2220E Rod replacement
I use a similar method that I find a little more accurate for setting the loops. It's very hard to set the pass for 1db IL accurately. I use this method to build VHF duplexer a from anywhere from 4 to
By David Cameron - IRLP · #213656 ·
Re: Repeater hang time/tail circuit
I will try that. When searching for some info about the topic it appeared me but I was in a hurry and did not let some time to know how it works. So that I asked here for a solution. Even that, I
By Javier · #213655 ·
Re: Kendecom...
+11dBm output is no stingy signal at 12.6 mW into 50 ohms. ? It's too bad these can't be directly FM modulated, because you could likely avoid the multiplier sections of a common crystal exciter /
By Kevin Custer · #213653 ·
Re: Cdm/gm300 repeater cables
I would venture pin assignments.? ?I have been avoiding using pin 4 as cor. Instead leave it blank tie pins 4 and 10 together and use as ignition sence. Than use pins 8 and 12 for cor. And pl
By n3ssl · #213652 ·
Re: Repeater hang time/tail circuit
Here's something to consider: https://www.repeater-builder.com/projects/hang-timer.html Kevin
By Kevin Custer · #213651 ·
Repeater hang time/tail circuit
Hi everyone. I built myself a repeater with a pair of Kenwood radios, ESP32 based and fully functional (automated beacon, auto/manual mode, screen ...). Although repeater tail is implemented by
By Javier · #213650 ·
Re: Sinclair Q2220E Rod replacement
<-- Hi Peter; I'm? no expert - but, out of respect to my "tutors" Kevin (W3KKC) and Andrew (VE3GTU), I'll have a go and sharing some recent learning / experienc
By Ramesh Dhami &#92;(VA3UV&#92;) · #213649 ·
Re: Kendecom...
Tyler, I want to second what Kevin says. Show it on a schematic and on the board the points you are using for discrimator and the modulator. Thanks! Andy Zorca [email protected]> wrote:
By wj9jrg · #213648 ·
Re: running autopatch
Ok I will need to call them and see if they can tell me how much that service is. I called them the other day and the agent said they didn’t have anything like this. Sent: Tuesday, March 4, 2025
By Chad Nelson · #213647 ·
Re: running autopatch
This unit is Verizon Only
By M Flynn · #213646 ·
Re: running autopatch
I am using an arcom rc210 so not sure what that autopatch is looking for. Ken are you able to pitch in? Chad Sent: Tuesday, March 4, 2025 6:41 PM To: [email protected] Subject: Re:
By Chad Nelson · #213645 ·
Re: running autopatch
Do I need a Vorizon account? Or can this be unlocked to work with Spectrum? Sent: Tuesday, March 4, 2025 6:41 PM To: [email protected] Subject: Re: [repeater-builder] running autopatch
By Chad Nelson · #213644 ·
Re: Sinclair Q2220E Rod replacement
Thanks for all the advice.? I was able to extend the rods using stainless with mixed results: -on "duplexer A" I can only get about 30db of isolation per cavity, which from what I'm reading is not
By Peter · #213643 ·