Re: [Repeater-Builder] Fwd: In Memory

2009-01-10 Thread Nate Duehr
Thank you to those who replied from the RB list. My apologies, in my haste to forward the message and since I don't normally do that sort of thing, I forgot that I have a few mailing lists in my address book on this machine. I honestly didn't mean to send that to mailing lists. Sorry about

RE: [Repeater-Builder] Fwd: In Memory

2009-01-10 Thread John Transue
for the replies. Sorry Kevin Scott for the OT posting. 73, -- Nate Duehr, WY0X n...@natetech.com Yahoo! Groups Links __ NOD32 3756 (20090110) Information __ This message was checked by NOD32 antivirus system. http://www.eset.com

Re: [Repeater-Builder] Weather Alert Radios...

2009-01-10 Thread Robert Pease
I use an older raduo shack one with my arcom rc-210. It works great, unlike the midlands, it mutes the rx when it recieves the end of message data burst. I probed around and found the line that mutes the audio when not active and ran that to an alarm/logic input on the 210. Then ran audio in

Re: [Repeater-Builder] Weather Alert Radios...

2009-01-10 Thread Joe
What Radio Shack model are you using? Joe Robert Pease wrote: I use an older raduo shack one with my arcom rc-210.

Re: [Repeater-Builder] Weather Alert Radios...

2009-01-10 Thread Chuck Kelsey
Re: [Repeater-Builder] Weather Alert Radios...The Midland doesn't utilize EOM, you are correct. My solution was to have the controller simply time out the WX receiver when I want it to happen. The radio will reset in a few minutes anyway. I actually don't like the EOM. If you happen to not

Re: [Repeater-Builder] Weather Alert Radios...

2009-01-10 Thread Randy Elliott
Just reading the mail here and I had the same problem with the Reecom 1650c weather radio. What I did was leave the audio live to the RC-210 aux audio input all the time, then when the alert comes through the alert macro turns on the aux audio and then can program a timeout timer to your

[Repeater-Builder] Odd NHRC7 issue

2009-01-10 Thread AJ
I have a GR1225 repeater interfaced to the Port 1 of an NHRC7 controller. PL/DPL decoded audio will key the repeater but COS alone will not. The PL light on the NHRC7 does not light up when there is a valid PL signal. The strange thing here... If I move the cable from the GR1225 from port 1 to

Re: [Repeater-Builder] Re: OT- Digital TV converter box issues

2009-01-10 Thread Chuck Kelsey
I just did a comparison on my Magnavox TB100. A snowy analog picture becomes slightly snowier when passing through my converter. So yes, there is more loss going through the converter, but not a big amount. If you are seeing a huge difference, you may have a bad converter. Unless you are going

[Repeater-Builder] Stabilant

2009-01-10 Thread Eric Lemmon
A week or so ago, I posted the statement that Motorola had adopted Stabilant 22A as a preferred electrical contact enhancer, and had given it the part number 1180369E78. I now know that Motorola has discontinued that part number and replaced it with 1180384V93, priced at $46. The difference

Re: [Repeater-Builder] Stabilant

2009-01-10 Thread John J. Riddell
Eric, That stuff works really well...I've been using it for many years and it was developed here in Canada by DW Electrochemicals Ltd in Richmond Hill Ont. It works well on radio's that have multiple boards interconnected by pins that become intermittent, such as the Yaesu FT 2400H. I'm sure

RE: [Repeater-Builder] Stabilant

2009-01-10 Thread Thomas Oliver
Agood source for 99% pure isopropanol (isopropyl alcohol) is a product sold under the name Iso-Heat. Available at most auto parts stores. tom [Original Message] From: Eric Lemmon wb6...@verizon.net To: Repeater-Builder@yahoogroups.com Date: 1/10/2009 1:58:35 PM Subject:

Re: [Repeater-Builder] Weather Alert Radios...

2009-01-10 Thread Dave Gomberg
Re: [Repeater-Builder] Weather Alert Radios Gee, ours has never given us anything but Amber alerts (lost kids, mostly parental custody squabbles). When the last one woke us up at 4AM!!! we unplugged the radio. Not useful in CA. -- Dave Gomberg, San Francisco NE5EE gomberg1 at wcf

Re: [Repeater-Builder] Weather Alert Radios...

2009-01-10 Thread Dave Gomberg
Re: [Repeater-Builder] Weather Alert Radios Gee, ours has never given us anything but Amber alerts (lost kids, mostly parental custody squabbles). When the last one woke us up at 4AM!!! we unplugged the radio. Not useful in CA. -- Dave Gomberg, San Francisco NE5EE gomberg1 at wcf

[Repeater-Builder] GLB Preamplifier - Preamp Device (transistor) Information

2009-01-10 Thread skipp025
Re: GLB Preamplifier - Preamp Device (transistor) Information Hello again Sailors! The smoking lamp is now lit... smok'em if you got'em (just a trip down memory lane if you get the above circa 1940-1945 reference). Anyway... per my previous post requesting anyone who wanted to

Re: [Repeater-Builder] Weather Alert Radios...

2009-01-10 Thread Ken Arck
At 11:23 AM 1/10/2009, Dave Gomberg wrote: Re: [Repeater-Builder] Weather Alert Radios Gee, ours has never given us anything but Amber alerts (lost kids, mostly parental custody squabbles). When the last one woke us up at 4AM!!! we unplugged the radio. Not useful in CA. ---Most are

Re: [Repeater-Builder] Weather Alert Radios...

2009-01-10 Thread Chuck Kelsey
That must be a California thing. Never heard an amber alert here in Western New York State on NOAA. Tone alerted watches are pretty rare, 99% are warnings. Just had one yesterday for a Winter Storm Warning. Chuck WB2EDV - Original Message - From: Dave Gomberg da...@wcf.com To:

RE: [Repeater-Builder] Weather Alert Radios...

2009-01-10 Thread ka9qjg
__,_ I use this NWS Receiver http://emergencyalertradio.com/ Good Price and Tech support if needed , Also I got tired of waiting until Every Wed for the NWS To send A Test to make sure the Unit was Turning off and on Properly , So I was able to obtain the Test files and use My

Re: [Repeater-Builder] GLB Preamplifier - Preamp Device (transistor) Information

2009-01-10 Thread neal Newman
skip I opened up My 2 meter GLB preamp preselector. it is an MRF-901. Years ago there was an article in one of the Ham radio handbooks that showed a 4 element UHF preamp/preselector that I built for ATV use. and it too was based on an MRF-901. It worked great. GaSfets I feel have too much gain,

RE: [Repeater-Builder] Re: OT- Digital TV converter box issues

2009-01-10 Thread Mark
It is... Mark - N9WYS -Original Message- From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Laryn Lohman Sent: Friday, January 09, 2009 11:21 PM To: Repeater-Builder@yahoogroups.com Subject: [Repeater-Builder] Re: OT- Digital TV converter box

[Repeater-Builder] Re: GLB Preamplifier - Preamp Device (transistor) Information Part 2

2009-01-10 Thread skipp025
Hi Neal, Rich wb2dss responded (a big thank you Rich) to my last post and sent out some well lighted high-res pictures of his 2 meter GLB pre-selector. Another drum roll... Yes, his pre-amplifier clearly shows an MRF-901 in place as the active device. So I'm working up the diagrams for

Re: [Repeater-Builder] GLB Preamplifier - Preamp Device (transistor) Information

2009-01-10 Thread Kevin Custer
skipp025 wrote: Re: GLB Preamplifier - Preamp Device (transistor) Information This is how I remember it. From GLB, any preselector-preamp built below 200 MHz used the Bi-Polar MRF-901. You could, however, have any frequency preamp built with a GaAs FET if you paid extra for the

[Repeater-Builder] digital TV channels

2009-01-10 Thread Buddy Case
It is my understanding there will not be any channels between 2 thru 6  anymore. The govt proposes to auction these frequencies. Checking the list on www.nab.org shows no stations below ch 7. Buddy KS4QA

Re: [Repeater-Builder] Re: OT- Digital TV converter box issues

2009-01-10 Thread no6b
At 1/10/2009 09:35, you wrote: I just did a comparison on my Magnavox TB100. A snowy analog picture becomes slightly snowier when passing through my converter. So yes, there is more loss going through the converter, but not a big amount. If you are seeing a huge difference, you may have a bad

Re: [Repeater-Builder] OT: digital TV channels

2009-01-10 Thread Paul N1BUG
Buddy Case wrote: It is my understanding there will not be any channels between 2 thru 6 anymore. The govt proposes to auction these frequencies. Checking the list on www.nab.org http://www.nab.org shows no stations below ch 7. Buddy KS4QA I only wish it were so. If you are referring to:

Re: [Repeater-Builder] Weather Alert Radios...

2009-01-10 Thread no6b
At 1/10/2009 11:36, you wrote: That must be a California thing. Never heard an amber alert here in Western New York State on NOAA. Tone alerted watches are pretty rare, 99% are warnings. Just had one yesterday for a Winter Storm Warning. Chuck WB2EDV I've never heard an Amber Alert over the NWS

Re: [Repeater-Builder] digital TV channels

2009-01-10 Thread Chuck Kelsey
I don't know where you see that. There are already some low band DTV stations active. The FCC database also indicated several that will move back to low band for DTV. Give us the link to the page you were looking at. Chuck WB2EDV - Original Message - From: Buddy Case To:

RE: [Repeater-Builder] Weather Alert Radios...

2009-01-10 Thread Mark
They do it here in the Chicago area. However, some SAME radios cannot receive the alerts. (like the one I have at home.) Mark - N9WYS -Original Message- From: Repeater-Builder@yahoogroups.com On Behalf Of n...@no6b.com At 1/10/2009 11:36, you wrote: That must be a California thing.

Re: [Repeater-Builder] DTV ch 2 vs 6m

2009-01-10 Thread Paul N1BUG
That's what I'm afraid of. It's already nearly impossible to do anything on 6m around here without problems with ch 2 analog. Once they go digital on ch 2 I'm expecting even more issues. But I guess time will tell... Paul MCH wrote: If it's like any other digital transmitters, more. Joe

Re: [Repeater-Builder] DTV ch 2 vs 6m

2009-01-10 Thread Chuck Kelsey
Yep, looks like the Bangor station will remain on Channel 2. The only good thing is that you can transmit on 6-meters and people watching channel 2 won't hear you, but their picture may break up. With analog, they could tell it was you. What frequencies are the repeater(s)? You might luck out

Re: [Repeater-Builder] Re: GLB Preamplifier - Preamp Device (transistor) Information Part 2

2009-01-10 Thread no6b
At 1/10/2009 14:01, you wrote: A first glance and test of the BF981 indicates/measured a relative noise figure value of .6dB to .7dB, which is actually a fair value better than I would have thought for an older Dual Gate Mosfet circuit. Although a Gasfet would have a lower (better) noise

Re: [Repeater-Builder] OT: digital TV channels

2009-01-10 Thread no6b
At 1/10/2009 18:33, you wrote: Buddy Case wrote: It is my understanding there will not be any channels between 2 thru 6 anymore. The govt proposes to auction these frequencies. Checking the list on www.nab.org http://www.nab.org shows no stations below ch 7. Buddy KS4QA I only wish it

Re: [Repeater-Builder] digital TV channels

2009-01-10 Thread MCH
That was the original plan, but the TV industry whined about losing them, so they are back in the TV lineup. There is a CH 2 DTV station in Harrisburg, PA. I would say the NAB list is severely outdated. Joe M. Buddy Case wrote: It is my understanding there will not be any channels between 2

[Repeater-Builder] GLB Preamplifier QA (Part 3)

2009-01-10 Thread skipp025
Re: GLB Preamplifier From: w7...@c.. Hi Skipp What are your intentions re the preamp design. Hi Ralph, To get it drunk and try and take advantage of it at the drive in..? :-) No, not really... Actually... To have a really good look at the design, engineering,

Re: [Repeater-Builder] DTV ch 2 vs 6m

2009-01-10 Thread Glenn Little WB4UIV
If you interfere with the digital signal, the viewer will not know anything as to there being interference. All they will see is that they cannot see the channel 2 TV station. On the flip side, the digital wide band noise generated by the TV station will probably render 6M totally useless. The

Re: [Repeater-Builder] DTV ch 2 vs 6m

2009-01-10 Thread MCH
If you have an analog CH 2, you likely won't have a digital CH 2 unless they switch back from the DTV channel they have been assigned to their legacy channel. In my area, our channel 2 is on CH 25 for DTV. From what I understand, they will *not* be moving back to CH 2. YE! Joe M.

Re: [Repeater-Builder] DTV ch 2 vs 6m

2009-01-10 Thread Chuck Kelsey
Unfortunately for Paul, his station will revert back to channel 2. Chuck WB2EDV - Original Message - From: MCH m...@nb.net To: Repeater-Builder@yahoogroups.com Sent: Saturday, January 10, 2009 11:13 PM Subject: Re: [Repeater-Builder] DTV ch 2 vs 6m If you have an analog CH 2, you

[Repeater-Builder] Re: Weather Alert Radios...

2009-01-10 Thread ks4ec
I am currently using a model 12-255, it is NLA from Radio Shack, I picked up a 12-262 Model and it seems to work the same (Mutes on EOM signal), I haven't opened it up yet to see if I can find the mute line Rob - KS4EC What Radio Shack model are you using? Joe Robert Pease wrote: I

Re: [Repeater-Builder] Re: Weather Alert Radios...

2009-01-10 Thread Paul Plack
See if it simply cuts the power to an LM386 or other obvious audio stage at the end of the alerts. There might be a nice, solid high-going DC line whenever the audio comes on. 73, Paul, AE4KR - Original Message - From: ks4ec To: Repeater-Builder@yahoogroups.com Sent:

[Repeater-Builder] DRC-186 Repeater Controller

2009-01-10 Thread ks4ec
Does anyone remember this PC based controller, might anyone still have one lying around they want to part with. I thought this controller was way ahead of its time and would love to play with one again- Reply on or off list, Thanks Rob - KS4EC at comcast dot net

[Repeater-Builder] Re: Weather Alert Radios...

2009-01-10 Thread ks4ec
Thats what I found in the current one and it worked great! --- In Repeater-Builder@yahoogroups.com, Paul Plack pl...@... wrote: See if it simply cuts the power to an LM386 or other obvious audio stage at the end of the alerts. There might be a nice, solid high- going DC line whenever the

Re: [Repeater-Builder] GLB Preamplifier - Preamp Device (transistor) Information Part 2

2009-01-10 Thread Eric Grabowski
What is the NF of a stock UHF Micor/Mitrek/MASTR II? Anyone ever measured it?   My experience has been that 16 dB gain provides a noticeable improvement, but a low NF is the real key to success. If the preamp gain is higher than 20 dB, it's easy to put an attenuator between the output of the