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Dale Ensing
Joined: 11 Jan 2006
Posts: 571
Location: Aero Plantation Weddington NC
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 Posted: Tue Aug 28, 2007 2:39 am Post subject: NOT airplane related-digital phone sevice |
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Forgive me for using this forum but its the best source I could think of.......
Interested in opinions on why digital phone service from the cable TV company might be better than service from the old phone company.?
Dale Ensing
DO NOT ARCHIVE
[quote][b]
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_________________
Dale Ensing
RV-6A
Aero Plantation
Weddington NC |
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MauleDriver(at)nc.rr.com
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| Posted: Tue Aug 28, 2007 4:25 pm Post subject: NOT airplane related-digital phone sevice |
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I have both a regular Telco phone line and digital phone service from
the cable TV company and can make two observations after 2 years of dual
service:
1) Having 1 line of each type appears to be better than having both of
the same type (see Z-14)
2) The differences are very local and specific to the actual physical
characteristics of the wire installation. In other words, I can not
point to any service qualities that are intrinsic to the providers or
the technologies.
Some experiences:
- the Telco line has been down 3 times in 2 years. One was a "local
switch" problem and the other 2 were inadvertant cuts to the buried
line on my property. The (also buried) cable line was not effected so a
level of service was maintained.
- My data service to the cable modem has 'burped' several times but the
phone service thru the same device was maintained.
- A power surge from a thunderstorm took a computer and the cable modem
down. Though it took a day to get everything back up, the digital phone
service was in place in the time it took the modem to reboot. with no
further action required.
- I have cross-talk between the 2 lines just as I had before switching
one line to digital. The problem apparently caused by house wiring.
- I use the two lines interchangeably to make and receive a variety of
calls. I can perceive no difference in quality or anything else.
Interestingly, the clearest sounding international call I have ever
recieved was from a US cellphone roaming in Beijing... and received on
my cellphone. Go figure.
I've found the digital phone service surprisingly solid and have no
qualms about using it exclusively. Both providers seem pretty
motivated right now so service has been very responsive in both cases.
Bill "trying to wire my RV10 with a Z-14" Watson
do not archive
Dale Ensing wrote:
| Quote: | Forgive me for using this forum but its the best source I could think
of.......
Interested in opinions on why digital phone service from the cable TV
company might be better than service from the old phone company.?
Dale Ensing
DO NOT ARCHIVE
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cjensen(at)dts9000.com
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| Posted: Wed Aug 29, 2007 5:17 am Post subject: NOT airplane related-digital phone sevice |
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As long as phone service is being discussed (hey, electrons are
involved), I'll pass along a true story. I was experiencing numerous
dropped calls and very few bars of reception. I thought I would call
the cell phone company to complain (the name will remain anonymous but
Verizon's service is about like all the rest)in an instance where I was
getting poor reception.
I called 'em up and told 'em in was in their service area and the
reception was lousy. They said that I might be too far from the tower.
I told 'em I doubted it because I was standing right next to the tower
and was looking up at it. Her reply was "oh, that's the problem, you're
too close to the tower".
There must be a sweet-spot, +/-2 feet, where a person a person is far
enough, but not too far, from the tower to get good reception and no
dropped calls. I'm still looking for the s-s.
Chuck
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fvalarm(at)rapidnet.net
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| Posted: Wed Aug 29, 2007 8:53 am Post subject: NOT airplane related-digital phone sevice |
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I've had cell trouble inside the top floor of an office building. The
building's roof across the parking lot (about 400 feet away) had the cell
tower on it at the same height as where I was. After some testing with the
techs at the cell company it was determined that the cell tower was
over-driving my cellular data communicator. I had a friend build an
attenuator and installed it between the antenna and the cell pack and since
then all is well. Oddly enough, the way we discovered this was when I moved
the cell pack outside the building (to find better reception) it worked best
inside the elevator. This was the first clue that the signal was too
strong. I wonder about the health of those who work in that building
everyday.
Bevan
RV7A wiring
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echristley(at)nc.rr.com
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| Posted: Wed Aug 29, 2007 9:30 am Post subject: NOT airplane related-digital phone sevice |
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B Tomm wrote:
| Quote: |
I've had cell trouble inside the top floor of an office building. The
building's roof across the parking lot (about 400 feet away) had the cell
tower on it at the same height as where I was. After some testing with the
techs at the cell company it was determined that the cell tower was
over-driving my cellular data communicator. I had a friend build an
attenuator and installed it between the antenna and the cell pack and since
then all is well. Oddly enough, the way we discovered this was when I moved
the cell pack outside the building (to find better reception) it worked best
inside the elevator. This was the first clue that the signal was too
strong. I wonder about the health of those who work in that building
everyday.
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There's a fundamental lesson here that applies to all RF communication
devices.
You have to design the reciever for a particular amount of power. The
reciever works by sensing the RF energy as it goes up and down, and then
converting and amplifying the energy to give you a sound in a speaker.
All very complicated, but the gist is that the input signal has to be
moving up and down within a certain range. Don't apply enough power,
and the reciever doesn't have enough amplification power to make the
voice heard (or the signal can just get sort of lost in the input
circuits through attenuation). Apply to much power, and the reciever
is driven to the high rail and stays there. The reciever is basically
"always on".
When designing a cell tower, you want to reach people a mile away. You
need to pour quite a lot of energy out of an antennae to cover an area
with a 1 mile radius (I don't know the actual coverage of a tower. 1
mile just sounds good). So, you turn the power up so that recievers 1
mile away can get the signal up off the bottom rail, but that driver the
reciever that is only 10ft away to the top rail...and keeps it there.
Same thing will happen in aircraft radios. Put the transmitter to close
to the reciever, and you will overdrive it. Sometimes, more is less.
--
"Life is not a journey to the grave with the intention of arriving safely in
a pretty and well preserved body, but rather to skid in broadside,
thoroughly used up, totally worn out, with chocolate in one hand and wine in
the other, loudly proclaiming 'WOO HOO What a Ride!'"
--Unknown
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tonybabb(at)alejandra.net
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| Posted: Thu Aug 30, 2007 1:23 am Post subject: NOT airplane related-digital phone sevice |
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Ralph,
Sending this off list as it is waaaay off topic. But here's another Kiwi's
answer to standby power for important things. Check this out---->
http://www.asciimation.co.nz/beer/
Tony
www.alejandra.net/velocity
62% done, 78% to go.
--
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tonybabb(at)alejandra.net
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| Posted: Thu Aug 30, 2007 1:33 am Post subject: NOT airplane related-digital phone sevice |
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Oops, sorry. I meant to send this off list.
[quote] --
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Dale Ensing
Joined: 11 Jan 2006
Posts: 571
Location: Aero Plantation Weddington NC
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| Posted: Thu Aug 30, 2007 3:22 am Post subject: NOT airplane related-digital phone sevice |
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Toni,
Thanks for shareing the jet powered beer cooler with us. Really Cool! If you
know what I mean.....Love it..
And thanks to all of you for responding to my digital phone question. No
place like the AeroElectric list!
Dale Ensing
do not archive
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_________________
Dale Ensing
RV-6A
Aero Plantation
Weddington NC |
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jetboy
Joined: 22 Jul 2006
Posts: 233
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