For whatever reason, the receivers that they use in some of these don't
seem to be "modern" at all. They frequently take an excessively long time
to get a lock.

On Monday, February 8, 2016, Eric Kuhnke <eric.kuh...@gmail.com> wrote:

> Modern GPS receivers work surprisingly well, if not very accurately, from
> inside a single floor wood framed house... My oneplus one will pick up 6
> satellites while  standing in a central hallway 15'+ from any window.
> Should be accurate enough to get a location within 75'.
>
> All bets are off if it is a concrete framed apartment building or
> something like that.
>
> I still find it amazing that anything works at -162 RSL. Thanks to tiny
> channel size and very basic modulation.
> On Feb 8, 2016 6:46 PM, "Bill Prince" <part15...@gmail.com
> <javascript:_e(%7B%7D,'cvml','part15...@gmail.com');>> wrote:
>
>> Canopy NAT seems to break it with regularity. It might also fail if the
>> GPS location that it reports is not within a 1/4 mile of where the customer
>> address is.
>>
>> Also requires enough GPS (like near a window) to get a GPS lock.
>>
>> bp
>> <part15sbs{at}gmail{dot}com>
>>
>>
>> On 2/8/2016 3:34 PM, Ken Hohhof wrote:
>>
>> What are the typical reasons for these not to work?� From the user
>> guide it appears to use IPSEC, so I assume anything that prevents a VPN?
>> �
>> Verizon support told the customer they needed a Class A address.�
>> WTF?� Did they maybe mean it *can't* be a class A address?� Customer
>> uses 10.x.x.x addresses internally, behind Cisco ASA firewall (which I
>> don't manage).
>> �
>> I do see some udp/500 and udp/4500 packets, I think that means something
>> is using UDP for IPSEC NAT traversal?
>>
>>
>>

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