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11 votes
Accepted

If I receive an SOS signal, what is the proper response?

Since you're simulating the situation with non-transmitting equipment, you get the play the part of actual emergency agencies. You'd start by asking the SOS caller to identify themselves (call sign, ...
Zeiss Ikon's user avatar
  • 4,097
9 votes

How would you get an "I'm alive" message to family in another state using amateur radio?

The ARRL NTS (National Traffic System) is the method you would use to send messages to anyone anywhere in North America and in concert with other traffic systems to many parts of the world. NTS has ...
K7PEH's user avatar
  • 2,998
8 votes

Can a FM tuner (receiver) be detected and triangulated?

The story is about Eric LeMarque who got lost after snowboarding out of bounds in the Sierra Nevada mountains. Radio receivers usually contain some kind of oscillator. Detecting the unintentional ...
Phil Frost - W8II's user avatar
8 votes
Accepted

How would you get an "I'm alive" message to family in another state using amateur radio?

When establishing emergency communications in a disaster, the natural choice of band is one that will allow you to communicate out of the disaster zone. Given the scenario you describe, a massive ...
rclocher3's user avatar
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6 votes
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How to transmit images and video through a hurricane?

In general, the HF bands (1.8 MHz through 30 MHz) do not have sufficient bandwidth to support live transmission of a video signal. In the US, the FCC does not authorize an emission mode for live video ...
Glenn W9IQ's user avatar
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6 votes
Accepted

Easy way for an uncertified hiker to broadcast a distress signal

If you are in mortal peril, use any means necessary to make your situation known and get help. It doesn't matter if you are licensed or not. Consider the alternative. But a shortwave transmitter is ...
Phil Frost - W8II's user avatar
6 votes

How would you get an "I'm alive" message to family in another state using amateur radio?

Send an HF-E-Mail addressed to your familymembers using a system like WinLink 2000 (http://www.winlink.org). It uses Radio Message Servers (RMS), which provide a bridge between the Central Message ...
DK3CW's user avatar
  • 61
6 votes

If I receive an SOS signal, what is the proper response?

Since this is all for a bit of fun, you could respond with the typical Morse Code response to indicate that the last transmission was successfully received: R: •-• Some operators stylize this as ...
Glenn W9IQ's user avatar
  • 18.6k
6 votes

Non-life-threatening emergency in the US?

Because the situation does not rise to the level of "imminent threat to life or property" you would not be permitted to "use any means neccessary" to carry out your communications. As a result, you ...
Glenn W9IQ's user avatar
  • 18.6k
6 votes

Ham radio repeater

Possible, yes. A good idea as your plan for emergency communication while hiking on a remote and hazardous trail? I wouldn't count on it. As you've already observed, although there are repeaters along ...
Phil Frost - W8II's user avatar
5 votes
Accepted

What devices are able to decode the EAS SAME headers, attention signal, and encoded marker?

Yes, what you are hearing is digital data encoded into the audio stream. These can be decoded by devices that understand the digital data, such as a dedicated weather radio like this one that came up ...
Greg Hewgill's user avatar
5 votes

If I send periodic SOS and nothing else, what would be the response by hams and/or government?

I'm not sure what you mean exactly by "blasting out a periodic SOS". Since you said SOS rather than Mayday, I presume that you're talking about Morse code, or another digital mode, rather than voice. ...
rclocher3's user avatar
  • 9,242
4 votes

If I receive an SOS signal, what is the proper response?

First, let's be very clear that making a false distress call is a federal crime carrying sanctions of up to six years imprisonment, and a fine of $250,000. Second, there is no commercial or maritime ...
Walter Underwood K6WRU's user avatar
4 votes
Accepted

Can a FM tuner (receiver) be detected and triangulated?

Is this [detection of a receiver through its amplification of received signals] possible in practice? Aaaah, no. Not exactly like described in that thread. In more general terms, yes, it is. So, ...
Marcus Müller's user avatar
4 votes
Accepted

Non-life-threatening emergency in the US?

If there's no mobile phone coverage, it's likely there are also no repeaters in range of the Baofeng. You could try the conventional simplex calling frequencies of 146.52 MHz (2m) and 446 MHz (70 cm) ...
Phil Frost - W8II's user avatar
4 votes

Personal communication device during blackout

Given your criteria of Handheld transmitters with a 30-50km range, it would be difficult to do so reliably in a city environment. Here's why: Lots of buildings are going to obstruct your signal and ...
James Carlson's user avatar
4 votes

How do I report an emergency using ham radio?

I used the 14.300 maritime net frequency to undeclare an emergency. My vessel was dismasted in the Gulf Stream during a Bermuda-Newport sailboat race in 2005. Had the situation been both urgent ...
Ted's user avatar
  • 141
4 votes

If I send periodic SOS and nothing else, what would be the response by hams and/or government?

The only way you're likely to actually get help with this kind of signal is if you're noticed as "interfering" with other operators and do it for long enough, and with enough power, to get the "fox" ...
Zeiss Ikon's user avatar
  • 4,097
3 votes

What sources of power are useful in emergency situations?

When they installed solar on my house, I lamented how Hurricane Sandy came, and yet all of the people having solar on their house could not use it because of the anti-islanding law(s) which say that ...
MicroservicesOnDDD's user avatar
3 votes

What sources of power are useful in emergency situations?

This is sort of an "it depends" question, and you noted that yourself in your text I believe. It will take some Q & A with yourself to come to a conclusion. First: What is the "field" situation. ...
guitarpicva's user avatar
3 votes

How would you get an "I'm alive" message to family in another state using amateur radio?

Regarding a response to your simple question of: letting non hams know that I am alive. Have you considered APRS? Not correctly, but commonly known as Automatic Position Reporting System. You probably ...
Roy Lawson's user avatar
3 votes

Personal communication device during blackout

Whatever the reason for blackout, i would like to know if there is a 'handy' communication device available in open market that can be used when the next quake strikes, for communicating with my ...
Marcus Müller's user avatar
3 votes

What is the process of sending an NTS message in to a disaster area?

You will need to originate a radiogram and pass it onto an NTS net. That either means you'll need to find someone who is active with NTS in your area, or you'll need to find a net and do it yourself (...
user3486184's user avatar
  • 1,957
3 votes

If I receive an SOS signal, what is the proper response?

To respond to a received Morse SOS by radio requires a transmit system and operator able to do that. Normally a transmit station license issued by the appropriate regulating agency having ...
Richard Fry's user avatar
  • 2,922
3 votes

If I receive an SOS signal, what is the proper response?

I received such notification while listening on 2182 kHz and phoned the Coast Guard with the broadcast-in-blind details I copied. Their Coast station told the ship in distress to call the commercial ...
user17360's user avatar
3 votes

What VHF & UHF frequencies are important during an emergency?

If something bad goes down (state-wide or nationwide), what frequencies should I be tuning into? Broadcast radio! Obviously, if your emergency services tried to let a lot of people know something is ...
Marcus Müller's user avatar
3 votes

What VHF & UHF frequencies are important during an emergency?

The most important frequencies to have programmed into your VHF/UHF radio would be the VHF simplex calling frequency, and the frequencies of the more important local repeaters, especially the ones ...
rclocher3's user avatar
  • 9,242
3 votes
Accepted

Resources and guidance regarding APRS

As you already know, amateur radio is an excellent resource for emergency communications, and APRS is a fine tool for it. However, APRS is not the only tool, and I would caution you to not obsess ...
rclocher3's user avatar
  • 9,242
3 votes

Help setting up my Baofeng UV-5R radio for scanning

There is a very neat programming aid called CHIRP which can be used on the UV-5R and similar radios from B-Tech/Baofeng. It allows you to type up a spreadsheet on your computer with all the pertinent ...
niels nielsen's user avatar
2 votes

What devices are able to decode the EAS SAME headers, attention signal, and encoded marker?

EAS Endecs Another answer mentioned NOAA Weather Radios. While these do automatically decode alerts, they can only decode alerts on NWR frequencies, and most don't have persistent logging. EAS endecs ...
Galactipod's user avatar

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