[aprssig] APRS and goTenna
noskosteve at yahoo.com
Mon Dec 21 16:19:05 EST 2015
They use VHF:
"The GoTenna operates on some of the lowest frequencies (151 to 154 MHz) available without a radio license. Those frequencies allow digital signals to travel longer distances. But due to limited bandwidth, GoTenna’s technology doesn’t send voice or photos. "
Regards, Steve Noskowicz
Science & Technical Advisor
On Sat, 12/19/15, vk2tv via aprssig <aprssig at tapr.org> wrote:
Subject: Re: [aprssig] APRS and goTenna
To: aprssig at tapr.org
Date: Saturday, December 19, 2015, 12:50 PM
On 20/12/15 02:31, Greg Troxel via aprssig
> Richard Amirault via aprssig
<aprssig at tapr.org>
12/18/2015 7:13 PM, Bill Vodall wrote:
>>> So much publicity and advertising
these days for the "new technology"
>>> of the goTenna - when we've
been doing the same and much much more for
>>> 20+ years.
works on MURS frequencies and, like any radio signal,
>> communication varies
with location. I suspect that most users will be
>> disappointed in the coverage radius of
these units. Besides ... with
cell signals ... that means no power to re-charge your
>> (needed to use these)
Unless you have provided a way to re-charge your
>> phone these will have a *very* limited
time of use.
> Power and cell don't
seem all that closely linked; I tend to be out of
> cell coverage far more often than there is
no electricity. Plus
isn't that hard, and even normal people carry batteries
> recharge their phones.
> While there are
issues, this seems a natural evolution of carrying FRS
> radios, and is accessible to normal
people. Plus it seems one can
text messages and location, which you can't do on
> But I agree that most
people will be unhappy with range because they
> have no idea how radio works.
> To me the bad part is
having to use their app vs an open API.
> It was amusing that
the WSJ article talked about people taking these to
> foreign countries - where MURS is probably
> So I
wonder if this will have a place to link the public to
> for longer range
communication during infrastructure outages.
> 73 de n1dam
They would be illegal in
Australia, where we have 80 UHF (around 477MHz)
CB channels with power to 5W and repeaters.
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