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Communicating During An Emergency
Prep-Blog ^ | 3/22/13 | Butch C

Posted on 03/22/2013 12:36:02 PM PDT by Kartographer

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To: cva66snipe
Most repeaters used to cover wide areas are sited as high as possible above the surrounding terrain, They have high gain antennas and the receive sensitivity is usually adjusted to be as sensitive as possible which aids in picking up the weaker signal of a hand held transceiver (HT or walkie-talkie or talkie). Our local Ham repeaters in this Texas county a co-sited on the Sheriff's VHF tower and the EMS/Fire local tower. Each site has 2 voice repeaters and a digipeater. They are about one mile apart. The voice repeaters at both sites are on the 2 Meter band (144.00 to 148.00mHz) and the 70 Centimeter band (420.00 to 450.00 mHz). The digipeaters are for packet radio and are on the digital allocation part of the 2 Meter band. We get these choice locations by agreeing to provide emergency communications during times of emergency and hold regular practice nets weekly. We have routine coverage to about 50 miles when using a mobile rig and 15 to 20 on a talkie. YMMV.

73,

Cal

101 posted on 03/23/2013 5:46:42 AM PDT by Calamari (Pass enough laws and everyone is guilty of something.)
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To: mountainlion

The tech behind wired voice telecom is essentially over 100 years old. Everything since is just ways to aggregate the links.

Yea, if you have 2 handsets, you can wire two lantern batteries together in series and have a private line. Throw in a few dollars in transistors, transformers, and circuitry and you can even make it ring on the other end when you pick up the handset.

If ever society collapses a bit of work can turn a dead phone system into a neighborhood alert network.


102 posted on 03/23/2013 6:29:45 AM PDT by Bogey78O (We had a good run. Coulda been great still.)
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To: Bogey78O
Yea, if you have 2 handsets, you can wire two lantern batteries together in series...

You do not need any batteries. The microphone in the handset can generate enough to power it for sometimes up to 5 miles. The old “Sound Power” handsets had two alligator clips that were used to communicate for linemen to get the right wires connected.

103 posted on 03/23/2013 6:34:05 AM PDT by mountainlion (Live well for those that did not make it back.)
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To: rarestia

Good, so am I. I do not advocate non-hams buying ham gear to use in case of an emergency when getting a license is so easy.

I am however a huge advocate of folks getting a ham license to be prepared for an emergency. Our local hams offer “license in a day” courses and testing during which we get a 96% pass rate. We offer testing before our monthly club meetings and weekly at our casual breakfast. We have installed 2-meter radios in our local police dispatcher office and at the fire department at no cost to them. We have a radio donation program to those hams who can not afford a radio. They are 2-meter radios and we set them up for all the local repeaters. We have connectivity into the local AF Base comm center.


104 posted on 03/23/2013 9:00:41 AM PDT by Ben Mugged (The number one enemy of liberalism is reality.)
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To: Citizen Tom Paine

You no longer need to know Morse code to use Morse code. There are small portable Morse code readers and converters that you just type in your message and it goes out in code. It receives Morse code and displays it as text. There are even more effective means of low power communication. JT65 is one and is in widespread use.


105 posted on 03/23/2013 9:04:53 AM PDT by Ben Mugged (The number one enemy of liberalism is reality.)
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To: Ben Mugged

I agree with having the license to learn the material and learn the basics of radio. However, in a survival situation, the last thing anyone should worry about is if they have a license to use some part of a spectrum.


106 posted on 03/23/2013 10:17:38 AM PDT by rarestia (It's time to water the Tree of Liberty.)
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To: Calamari

Thank you so much for the clarification.


107 posted on 03/23/2013 12:42:46 PM PDT by TEXOKIE (We must surrender only to our Holy God and never to the evil that has befallen us.)
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To: Calamari
Argh I got the 2 meter spectrum wrong. I forgot with my first scanner I picked up HAM from Imaging at about 20 MHZ higher. The kid that managed to summon help trasmitmed from the base of about a 3500-4000ft mountain across it to the repeater on the next mountain from that one.

I have two outdoor antennas that can I drive four scanners with. I took a TV Antenna and made a bracket to put the elements vertical the other antenna is a discone. I ran a lead from each antenna through a TV signal Amp 50 MHZ-900 MHZ then through a signal splitter going to the scanners. That's how I pick up several states away. I had maybe two birdies on frequencies that didn't matter but it worked great. Living on the side of a high ridge helps also LOL.

I'm lucky that all the agencies I want to hear are in the clear & either in the 150's 450's or 460 MHZ bands. I do have a trunk tracker though if needed. I also have the local HAM repeaters. Most of the time you'll know about a tornado a couple minutes before NOAA hits the alert.

108 posted on 03/23/2013 1:39:40 PM PDT by cva66snipe (Two Choices left for U.S. One Nation Under GOD or One Nation Under Judgment? Which one say ye?)
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To: cva66snipe
The SkyWarn trained hams do a great job. They are the tornado spotters. There is an amateur station at our local NOAA location so they can get the reports straight in.

Sounds like you have the scanner situation well in hand.

Repeaters sitting near the top of 4000 ft high mountain peaks are great communications enhancers! Higher is usually better for VHF and UHF radio signals.

Why not get your amateur ticket?

109 posted on 03/23/2013 3:23:02 PM PDT by Calamari (Pass enough laws and everyone is guilty of something.)
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To: Calamari
I thought about it years ago especially when I needed a way to call home in an emergency back in the sticks. That was before the cell grid was reliable. I carried a pager for my wife to reach me so I could go fishing or four wheeling for a few hours and she could still reach me. She's disabled. That's what got me into scanners to start with. I used it to make sure I was still in tower range of the pager and I could also listen in on ambulance frequency etc.

The funniest thing I ever heard was on a local Low Band freq for a very small nearby town. It was on the 49MHZ I think. I hear "This is a national alert. Be on the look out for a woman 5' whatever, black hair..." then it stopped. I'd listened enough to know by the sound what was going on. But the two Barney Fifes one at the PD the other on Patrol didn't and they were arguing accusing each other of playing around with the radio. I called them up and said neither one of you was messing with the radio it was Skip because I heard it also. The cop asked Who's Skip?

Another one was where someone had stolen a handheld sheriffs dept radio from a local high school. The perps decided to have some fun and start broadcasting. The dispatcher kept them yakking while the sheriff and deputies triangulated on his broadcast. He was using the 460 MHZ band and they went 5 MHZ higher and tracked him down by his broadcast to the repeater LOL. When I do have my scanners on I keep one running local control frequencies. You know when they're nearby then.

110 posted on 03/23/2013 5:12:27 PM PDT by cva66snipe (Two Choices left for U.S. One Nation Under GOD or One Nation Under Judgment? Which one say ye?)
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To: Old Sarge

Any thoughts on pursuing you amateur license?


111 posted on 03/24/2013 2:24:05 PM PDT by Calamari (Pass enough laws and everyone is guilty of something.)
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To: Calamari

It’s a big discussion in progress at The Bunker. Once we get to pony up the dough, we can do it...


112 posted on 03/24/2013 2:27:42 PM PDT by Old Sarge (We are officially over the precipice, we just havent struck the ground yet...)
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To: Old Sarge

The license is free. The testing fee is $15.00 for 2013. There is no requirement to buy ham gear to have an Amateur Radio License.


113 posted on 03/24/2013 2:34:19 PM PDT by Calamari (Pass enough laws and everyone is guilty of something.)
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To: Calamari

:nodding: Let me run that by Household Six!


114 posted on 03/24/2013 2:35:12 PM PDT by Old Sarge (We are officially over the precipice, we just havent struck the ground yet...)
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To: Old Sarge

Hit send too soon.
Hope you or youall pursue the license. Good for 10 years. Don’t take up much space.
73,
Cal


115 posted on 03/24/2013 2:37:11 PM PDT by Calamari (Pass enough laws and everyone is guilty of something.)
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To: Marcella

At least they could send soup.


116 posted on 03/24/2013 3:02:31 PM PDT by Vermont Lt (Does anybody really know what time it is? Does anybody really care?)
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To: Marcella

Pots=. Plain old telephone service
VoIP=. Votive over Internet protocol. (Think Vonage, cable TV phone,etc)


117 posted on 03/24/2013 3:03:57 PM PDT by Vermont Lt (Does anybody really know what time it is? Does anybody really care?)
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