Jump to content

Hurricane comms and nav


OldRadioGuy

Recommended Posts

I was watching the Louisiana game wardens show which covered their participation in the recent hurricane rescues.  The wardens had absolutely no comms or navigation because the repeaters and wireless internet were all down.  Without the repeater their radios are completely useless and they apparently use their phones with online maps for navigation.  They didn't even download offline maps.  And these guys are outdoorsmen?

I was absolutely amazed that they would not have a Garmin GPS and/or some FRS GMRS radios.  They could have had a portable repeater or even a "human repeater" stationed somewhere and had at least limited coverage of an area.  Or what about marine VHF? 

Maybe they would tell us that GMRS is not secure (private) and therefore could not be used.  They could use codes for sensitive situations.  They used to do this all the time when police comms were easily monitored.

They kept making a point of how difficult it was to work with absolutely no comms or nav - which made me scream at the TV ?

Apparently they don't have amateur radio ARES/RACES groups there either???

Maybe it was just the "animal channimal" pumping up the drama.  Would they do that?? ?

Vince

Link to comment
Share on other sites

1 hour ago, OldRadioGuy said:

Maybe it was just the "animal channimal" pumping up the drama.  Would they do that?? ?

I suspect this was just a ploy to add drama. I'm sure those guys have old-school 2D GPS (paper maps) available to them, as well as direct connection (simplex) via radio. But, how would the show be able to drum up suspense if they simply used their back-up systems without incident?

Link to comment
Share on other sites

19 hours ago, WyoJoe said:

I suspect this was just a ploy to add drama. I'm sure those guys have old-school 2D GPS (paper maps) available to them, as well as direct connection (simplex) via radio. But, how would the show be able to drum up suspense if they simply used their back-up systems without incident?

If they do not, that illustrates serious negligence on the part of that agency. No reason to not have their own simplex freqs as well as the various 7TAC interop freqs programmed.

Link to comment
Share on other sites

My understanding of the newest wiz-bang AT&T provided FirstNet LTE is that there's simply NO provision for radio to radio simplex in the Voice over LTE protocol.  All conversations must go through the network backbone. I believe their concept is that since they're building a "hardened" backbone, it's not supposed to go down.

There are other Public Safety systems that want to force every conversation through a repeater because it makes central control and recording of all calls possible. It also means that a "lost" radio can't be used if it's killed/stunned on the network. If you allow the radios to run simplex, who knows where it might migrate to?

Not how I would run a multi-million dollar public safety system, but then again, nobody is tossing me the keys and asking me to run one.

Link to comment
Share on other sites

I doubt LF&G is using first net for radio traffic. Maybe cell phones but not for radios. Louisiana has a statewide radio system that the game wardens are on. I can't imagine every site in the state was down if they needed it. Maybe during a hurricane some sites are down but in that area sure they have hardened public safety stuff. 

Link to comment
Share on other sites

VoLTE on FirstNet is unusual. Not to say nonexistent (BeOn), but unusual. FirstNet is primarily a data service. My experience with LTE has been very poor - consumer-grade junk that sacrifices coverage for data speeds and falls down even in populated areas. For essential communications, we use encrypted LMR, and the SWCRS system when longer range is required. WQVS960 has done an outstanding job building that system.

I understand the desire to record traffic, but forcing repeater operation without provision for contingencies is negligence no matter what the justification. Radio inhibit commands keep the unit from working at all, not just on the system.

Link to comment
Share on other sites

You would think in areas prone to strong hurricanes that they would have better contingencies.  And you wouldn't think it would be very good PR to let the Animal Channimal portray them as having zero comms and nav. backup.  But they showed these guys asking directions from people on the flooded streets.  They made the point several times that all radio communication in that area was down.  Incredible!

Vince

Link to comment
Share on other sites

On a slightly related note, a few years ago during Hurricane season in North and South Carolina, I setup a Hurricane Zone on my Radioddity RD-5R DMR HT to listen in:

TalkGroup Name          TalkGroup Number

Hurricane                      3199

NC                                 3137

SC                                 3145

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use and Guidelines.