OT: Weirdness With WiFi Access Point

2011-09-21 Thread Mark Phillips
I setup a new Roku box with an older DL-524 WiFi access point (channel 3
with security running). I noticed that fairly often the Roku looses the
signal from the DL-524 and the show I am watching stops. I used a WiFi
analyzer on my Android phone and noticed that the signal strength from the
DL-524 varies from -50 dbm to -70 dbm, with an occasional spike to -100 dbm
over about a 10 minute period.

I have another access point at the other end of the house (WRT54G, channel
11 with security running), and it shows a +/- 10dbm variation in signal
strength with a few spikes to -100 dbm in a 10 minute period as well. The
-100 dmb spikes between the two devices do not seem to be correlated.

1. Is this behavior normal for WiFi access points?
2. Could the Android WiFi analyzer be the cause of this strange behavior?
3. Do I need a new access point for Netflix? Any brand recommendations?

Thanks!

Mark
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Re: OT: Weirdness With WiFi Access Point

2011-09-21 Thread Stephen
Check the Channels you are running on. If you are using a channel that
has allot of surrounding traffic that would explain why as they try to
shout and be heard over each-other.

If you cna find some unused channels or at least lightly populated
you should get better results.

On Wed, Sep 21, 2011 at 8:24 AM, Mark Phillips
m...@phillipsmarketing.biz wrote:
 I setup a new Roku box with an older DL-524 WiFi access point (channel 3
 with security running). I noticed that fairly often the Roku looses the
 signal from the DL-524 and the show I am watching stops. I used a WiFi
 analyzer on my Android phone and noticed that the signal strength from the
 DL-524 varies from -50 dbm to -70 dbm, with an occasional spike to -100 dbm
 over about a 10 minute period.

 I have another access point at the other end of the house (WRT54G, channel
 11 with security running), and it shows a +/- 10dbm variation in signal
 strength with a few spikes to -100 dbm in a 10 minute period as well. The
 -100 dmb spikes between the two devices do not seem to be correlated.

 1. Is this behavior normal for WiFi access points?
 2. Could the Android WiFi analyzer be the cause of this strange behavior?
 3. Do I need a new access point for Netflix? Any brand recommendations?

 Thanks!

 Mark

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-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen
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Re: OT: Weirdness With WiFi Access Point

2011-09-21 Thread JD Austin
I used to have those kinds of issues until I switched to wireless N... I
will NEVER go back!
I had occasional interference from our 2.4Ghz digital spread specrum
cordless phone with 802.11g but have no issues with signal strength with
wireless N at all. It's so much faster than I decided not to run new drops
and instead just use several WNCE2001 universal wireless adapters plugged
into switches to give connectivity to remote computers, dvrs, etc.  I'd just
spend the $50 on a wireless N access point (almost always backwards
compatible with g) and move on.
On Wed, Sep 21, 2011 at 08:41, Stephen cryptwo...@gmail.com wrote:

 Check the Channels you are running on. If you are using a channel that
 has allot of surrounding traffic that would explain why as they try to
 shout and be heard over each-other.

 If you cna find some unused channels or at least lightly populated
 you should get better results.

 On Wed, Sep 21, 2011 at 8:24 AM, Mark Phillips
 m...@phillipsmarketing.biz wrote:
  I setup a new Roku box with an older DL-524 WiFi access point (channel 3
  with security running). I noticed that fairly often the Roku looses the
  signal from the DL-524 and the show I am watching stops. I used a WiFi
  analyzer on my Android phone and noticed that the signal strength from
 the
  DL-524 varies from -50 dbm to -70 dbm, with an occasional spike to -100
 dbm
  over about a 10 minute period.
 
  I have another access point at the other end of the house (WRT54G,
 channel
  11 with security running), and it shows a +/- 10dbm variation in signal
  strength with a few spikes to -100 dbm in a 10 minute period as well. The
  -100 dmb spikes between the two devices do not seem to be correlated.
 
  1. Is this behavior normal for WiFi access points?
  2. Could the Android WiFi analyzer be the cause of this strange behavior?
  3. Do I need a new access point for Netflix? Any brand recommendations?
 
  Thanks!
 
  Mark
 
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 --
 A mouse trap, placed on top of your alarm clock, will prevent you from
 rolling over and going back to sleep after you hit the snooze button.

 Stephen
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Re: OT: Weirdness With WiFi Access Point

2011-09-21 Thread Mark Phillips
Stephen,

Thanks for your comments. My Android WiFi analyzer only shows three channels
- the two in my house (channels 3, 11) and a linksys next door (channel 1).
The linksys next door has a max signal strength of around -90 dbm on a good
day. I will try switching my DL-524 to channel 5 to see if there is any
change. BTW, both the DL-524 and WRT54G are g devices.

Thanks!

Mark

On Wed, Sep 21, 2011 at 8:41 AM, Stephen cryptwo...@gmail.com wrote:

 Check the Channels you are running on. If you are using a channel that
 has allot of surrounding traffic that would explain why as they try to
 shout and be heard over each-other.

 If you cna find some unused channels or at least lightly populated
 you should get better results.

 On Wed, Sep 21, 2011 at 8:24 AM, Mark Phillips
 m...@phillipsmarketing.biz wrote:
  I setup a new Roku box with an older DL-524 WiFi access point (channel 3
  with security running). I noticed that fairly often the Roku looses the
  signal from the DL-524 and the show I am watching stops. I used a WiFi
  analyzer on my Android phone and noticed that the signal strength from
 the
  DL-524 varies from -50 dbm to -70 dbm, with an occasional spike to -100
 dbm
  over about a 10 minute period.
 
  I have another access point at the other end of the house (WRT54G,
 channel
  11 with security running), and it shows a +/- 10dbm variation in signal
  strength with a few spikes to -100 dbm in a 10 minute period as well. The
  -100 dmb spikes between the two devices do not seem to be correlated.
 
  1. Is this behavior normal for WiFi access points?
  2. Could the Android WiFi analyzer be the cause of this strange behavior?
  3. Do I need a new access point for Netflix? Any brand recommendations?
 
  Thanks!
 
  Mark
 
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 --
 A mouse trap, placed on top of your alarm clock, will prevent you from
 rolling over and going back to sleep after you hit the snooze button.

 Stephen
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Re: OT: Weirdness With WiFi Access Point

2011-09-21 Thread KevinO
On 09/21/2011 08:59 AM, Mark Phillips wrote:
 Stephen,
 
 Thanks for your comments. My Android WiFi analyzer only shows three channels
 - the two in my house (channels 3, 11) and a linksys next door (channel 1).
 The linksys next door has a max signal strength of around -90 dbm on a good
 day. 
Mark,

You do realize that -90dBm is a stronger signal than -100dBm, and -70dBm is 
1,000
times the power level of -100dBm.

;-)
-- 
KevinO
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Re: Linux or :video editing software?

2011-09-21 Thread Dazed_75
I love OpenShot.  Oh, and much more than PiTiVi although I have only tried
it once and maybe a year ago.

On Tue, Sep 20, 2011 at 9:41 PM, Sir Light sirli...@cox.net wrote:

 Mike,

 Here is one... http://openshot.org/

 Jon


  mike enriquez myli...@cox.net wrote:
  Does anyone on the list know of a good video editing software for Linux
  or for Winlows?
 
  I would like an software that does not have a steep learning curve.
 
  Thanks
 
  Mike Enriquez
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-- 
Dazed_75 a.k.a. Larry

The spirit of resistance to government is so valuable on certain occasions,
that I wish it always to be kept alive.
  - Thomas Jefferson
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Re: OT: Weirdness With WiFi Access Point

2011-09-21 Thread Stephen
good point -xxDbm is lower is better it is essentially a
representation of signal loss.

and for the channel, the idea situation is to find a chennle that has
nothing on it or its direct neighbor, so if you have traffic on 1, 3,
8, and 10, 5 is good because it and 6/4 are empty and have no
interference.

On Wed, Sep 21, 2011 at 9:07 AM, KevinO ke...@kevino.org wrote:
 On 09/21/2011 08:59 AM, Mark Phillips wrote:
 Stephen,

 Thanks for your comments. My Android WiFi analyzer only shows three channels
 - the two in my house (channels 3, 11) and a linksys next door (channel 1).
 The linksys next door has a max signal strength of around -90 dbm on a good
 day.
 Mark,

 You do realize that -90dBm is a stronger signal than -100dBm, and -70dBm is 
 1,000
 times the power level of -100dBm.

 ;-)
 --
 KevinO
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-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen
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Re: Linux or :video editing software?

2011-09-21 Thread John
I like Lives as I find it easy to use. http://lives.sourceforge.net/




From: mike enriquez myli...@cox.net
To: Main PLUG discussion list plug-discuss@lists.plug.phoenix.az.us
Sent: Tuesday, September 20, 2011 8:36 PM
Subject: Linux or :video editing software?

Does anyone on the list know of a good video editing software for Linux or for 
Winlows?

I would like an software that does not have a steep learning curve.

Thanks

Mike Enriquez
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Re: Linux or :video editing software?

2011-09-21 Thread Ed
On Tue, Sep 20, 2011 at 8:36 PM, mike enriquez myli...@cox.net wrote:
 Does anyone on the list know of a good video editing software for Linux or
 for Winlows?

 I would like an software that does not have a steep learning curve.

 Thanks

 Mike Enriquez
 ---

Distro:
http://dream.dickmacinnis.com/forum/
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Re: OT: Weirdness With WiFi Access Point

2011-09-21 Thread KevinO
On 09/21/2011 09:12 AM, Stephen wrote:
 good point -xxDbm is lower is better it is essentially a
 representation of signal loss.
 
Well, not quite. It is an expression of a ratio against a standard value.

dBm is a measurement of power, meaning Decibels relative to One Milliwatt.

Decibels themselves work on a logarithmic scale and express the ratio between 
two
values.

Examples:

If a signal is 10 milliwatts, its power level could be expressed in dBm as:

 10*log10( 10mW / 1mW) = 10*log10(10) = +10dBm

A signal of 1 microwatt is: 10*log10( 1uW / 1mW) = 10*log10(0.001) = -30dBm

1 watt = +30dBm, 1 picowatt = -90dBm, 100 femtowatts = -100dBm, etc..

A Linksys router transmitting at a power level of 250 mW, represents a power
level of +24dBm. (You won't measure this outside of the unit, of course. It
represents the power the unit is pushing into its antenna) But, I digress

Note the importance of the sign.

Cheers,
KevinO
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Re: OT: Weirdness With WiFi Access Point

2011-09-21 Thread Dale Farnsworth
 My Android WiFi analyzer only shows three channels
 - the two in my house (channels 3, 11) and a linksys next door (channel 1).
 The linksys next door has a max signal strength of around -90 dbm on a good
 day. I will try switching my DL-524 to channel 5 to see if there is any
 change. BTW, both the DL-524 and WRT54G are g devices.

Be aware that, being spread spectrum, each channel operates on multiple
frequencies, and that each channel shares a subset of its frequencies with
some other channels.  It is possible to have up to 3 non-overlapping
channels in an area by using channels 1, 6, and 11.  So to minimize
interference I'd recommend using channel 6 rather than 5.

-Dale
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