Agilent / HP 117A on eBay...
I always wanted on, but with the intention of using it. To bad it's
now useless now with the new WWVB format, otherwise I'd buy
it. Antennas I got.
Burt, K6OQK
At 06:14 AM 7/25/2013, time-nuts-request@febo.com wrote
Would this box work with the new WWVB format?
On 07/25/2013 04:07 AM, Mark C. Stephens wrote:
Oh my gosh, a 117A has popped up on eBay!
Looks in pretty good condition given its age...
Seller claims the antenna will be listed shortly!
Item # 281141315740
--marki
Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California U.S.A.
biwa@att.net
www.biwa.cc
K6OQK
I still would like to find one of the HP antenna's just for the looks. Even
the 10509A with 13CW4's .. ok the FET version would be better.
At least give those passing by something else to point at :-)
-pete
On Thu, Jul 25, 2013 at 7:09 AM, Burt I. Weiner biwa@att.net wrote:
I always wanted on, but with the intention of using it. To bad it's now
useless now with the new WWVB format, otherwise I'd buy it. Antennas I got.
Burt, K6OQK
At 06:14 AM 7/25/2013, time-nuts-request@febo.com wrote
Would this box work with the new WWVB format?
On 07/25/2013 04:07 AM, Mark C. Stephens wrote:
Oh my gosh, a 117A has popped up on eBay!
Looks in pretty good condition given its age...
Seller claims the antenna will be listed shortly!
Item # 281141315740
--marki
Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California U.S.A.
biwa@att.net
www.biwa.cc
K6OQK
_____________**
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/**
mailman/listinfo/time-nutshttps://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
Hi Pete, I have a 14" diameter choke ring GPS L1 with a big spike on the top of it, on the peak of the roof :)
That certainly gets some stares!
As the HP antenna is VLF, is the Antenna Huge?
I can't reliably get WWVB in Australia.
Lots of fading etcetera, or I'd be in there like a shot :)
We do have a beer called VB hmmm..
--marki
-----Original Message-----
From: time-nuts-bounces@febo.com [mailto:time-nuts-bounces@febo.com] On Behalf Of Pete Lancashire
Sent: Friday, 26 July 2013 10:50 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Agilent / HP 117A on eBay...
I still would like to find one of the HP antenna's just for the looks. Even the 10509A with 13CW4's .. ok the FET version would be better.
At least give those passing by something else to point at :-)
-pete
On Thu, Jul 25, 2013 at 7:09 AM, Burt I. Weiner biwa@att.net wrote:
I always wanted on, but with the intention of using it. To bad it's
now useless now with the new WWVB format, otherwise I'd buy it. Antennas I got.
Burt, K6OQK
At 06:14 AM 7/25/2013, time-nuts-request@febo.com wrote
Would this box work with the new WWVB format?
On 07/25/2013 04:07 AM, Mark C. Stephens wrote:
Oh my gosh, a 117A has popped up on eBay!
Looks in pretty good condition given its age...
Seller claims the antenna will be listed shortly!
Item # 281141315740
--marki
Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California U.S.A.
biwa@att.net
www.biwa.cc
K6OQK
_____________**
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/**
mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listin
fo/time-nuts>
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
The HP 117A antenna is a circular shielded loop, about 1 meter or 3' in
diameter. I never bothered to measure it. It looks to be made out of
roughly 1" OD aluminum electrical conduit components, a Tee at the top and
a pull box at the bottom. There are three conduit sections, one a diameter
that goes vertically from the bottom pull box to the top Tee. There are a
pair of semicirllas, one on each side. The two side loop halved are
insulated from the pull box as I remember.
There is a picture in the 117A manual on the Agilent site, but no
dimensions I saw. It is a crummy scan. The loop dimensions may be in a
catalog of the period.
It'd be fairly easy to replicate w/ a hand conduit bender, IMO.
-John
====================
I never bothered
Hi Pete, I have a 14" diameter choke ring GPS L1 with a big spike on the
top of it, on the peak of the roof :)
That certainly gets some stares!
As the HP antenna is VLF, is the Antenna Huge?
I can't reliably get WWVB in Australia.
Lots of fading etcetera, or I'd be in there like a shot :)
We do have a beer called VB hmmm..
--marki
-----Original Message-----
From: time-nuts-bounces@febo.com [mailto:time-nuts-bounces@febo.com] On
Behalf Of Pete Lancashire
Sent: Friday, 26 July 2013 10:50 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Agilent / HP 117A on eBay...
I still would like to find one of the HP antenna's just for the looks.
Even the 10509A with 13CW4's .. ok the FET version would be better.
At least give those passing by something else to point at :-)
-pete
On Thu, Jul 25, 2013 at 7:09 AM, Burt I. Weiner biwa@att.net wrote:
I always wanted on, but with the intention of using it. To bad it's
now useless now with the new WWVB format, otherwise I'd buy it.
Antennas I got.
Burt, K6OQK
At 06:14 AM 7/25/2013, time-nuts-request@febo.com wrote
Would this box work with the new WWVB format?
On 07/25/2013 04:07 AM, Mark C. Stephens wrote:
Oh my gosh, a 117A has popped up on eBay!
Looks in pretty good condition given its age...
Seller claims the antenna will be listed shortly!
Item # 281141315740
--marki
Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California U.S.A.
biwa@att.net
www.biwa.cc
K6OQK
_____________**
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/**
mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listin
fo/time-nuts>
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
Marki the antennas are about 3 foot as I recall not huge, really. But
Australia is a bit far away. I would think JJY might be better for you.
That said to actually improve the signal at that distance build a serious
loop. Mine is 10' by 10 ft 800 ft of wire and preamp. Does a heck of a job
for the east coast of the US. Australia is large so you could go really
big. :-) Seriously the larger the area the better. Though the limit seems
to be the turns and the ability to tune the coil with a cap.
There is a lot of good information on a site called vlf.it on loops.
Regards
Paul
WB8TSL
On Thu, Jul 25, 2013 at 8:57 PM, Mark C. Stephens marks@non-stop.com.auwrote:
Hi Pete, I have a 14" diameter choke ring GPS L1 with a big spike on the
top of it, on the peak of the roof :)
That certainly gets some stares!
As the HP antenna is VLF, is the Antenna Huge?
I can't reliably get WWVB in Australia.
Lots of fading etcetera, or I'd be in there like a shot :)
We do have a beer called VB hmmm..
--marki
-----Original Message-----
From: time-nuts-bounces@febo.com [mailto:time-nuts-bounces@febo.com] On
Behalf Of Pete Lancashire
Sent: Friday, 26 July 2013 10:50 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Agilent / HP 117A on eBay...
I still would like to find one of the HP antenna's just for the looks.
Even the 10509A with 13CW4's .. ok the FET version would be better.
At least give those passing by something else to point at :-)
-pete
On Thu, Jul 25, 2013 at 7:09 AM, Burt I. Weiner biwa@att.net wrote:
I always wanted on, but with the intention of using it. To bad it's
now useless now with the new WWVB format, otherwise I'd buy it.
Antennas I got.
Burt, K6OQK
At 06:14 AM 7/25/2013, time-nuts-request@febo.com wrote
Would this box work with the new WWVB format?
On 07/25/2013 04:07 AM, Mark C. Stephens wrote:
Oh my gosh, a 117A has popped up on eBay!
Looks in pretty good condition given its age...
Seller claims the antenna will be listed shortly!
Item # 281141315740
--marki
Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California U.S.A.
biwa@att.net
www.biwa.cc
K6OQK
_____________**
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/**
mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listin
fo/time-nuts>
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
I had one of those antennas some years ago. sold it to an outfit in
Washington State (I was in Boston). IIRC, it was over $300 to ship
it UPS due to the size.
73, Dick, W1KSZ
On 7/25/2013 6:23 PM, paul swed wrote:
Marki the antennas are about 3 foot as I recall not huge, really. But
Australia is a bit far away. I would think JJY might be better for you.
That said to actually improve the signal at that distance build a serious
loop. Mine is 10' by 10 ft 800 ft of wire and preamp. Does a heck of a job
for the east coast of the US. Australia is large so you could go really
big. :-) Seriously the larger the area the better. Though the limit seems
to be the turns and the ability to tune the coil with a cap.
There is a lot of good information on a site called vlf.it on loops.
Regards
Paul
WB8TSL
On Thu, Jul 25, 2013 at 8:57 PM, Mark C. Stephens marks@non-stop.com.auwrote:
Hi Pete, I have a 14" diameter choke ring GPS L1 with a big spike on the
top of it, on the peak of the roof :)
That certainly gets some stares!
As the HP antenna is VLF, is the Antenna Huge?
I can't reliably get WWVB in Australia.
Lots of fading etcetera, or I'd be in there like a shot :)
We do have a beer called VB hmmm..
--marki
-----Original Message-----
From: time-nuts-bounces@febo.com [mailto:time-nuts-bounces@febo.com] On
Behalf Of Pete Lancashire
Sent: Friday, 26 July 2013 10:50 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Agilent / HP 117A on eBay...
I still would like to find one of the HP antenna's just for the looks.
Even the 10509A with 13CW4's .. ok the FET version would be better.
At least give those passing by something else to point at :-)
-pete
On Thu, Jul 25, 2013 at 7:09 AM, Burt I. Weiner biwa@att.net wrote:
I always wanted on, but with the intention of using it. To bad it's
now useless now with the new WWVB format, otherwise I'd buy it.
Antennas I got.
Burt, K6OQK
At 06:14 AM 7/25/2013, time-nuts-request@febo.com wrote
Would this box work with the new WWVB format?
On 07/25/2013 04:07 AM, Mark C. Stephens wrote:
Oh my gosh, a 117A has popped up on eBay!
Looks in pretty good condition given its age...
Seller claims the antenna will be listed shortly!
Item # 281141315740
--marki
Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California U.S.A.
biwa@att.net
www.biwa.cc
K6OQK
_____________**
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/**
mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listin
fo/time-nuts>
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
I have made a number of effective loop antennas for various frequencies
tuned with variable capacitors going into the gate of a FET. A large
number of turns on a ferrite rod will tune to 60 KHz and pick up a
good signal if located away from noise sources. Or you could get a
Hula Loop and paint it orange or silver.
On 07/25/2013 07:34 PM, Richard Solomon wrote:
I had one of those antennas some years ago. sold it to an outfit in
Washington State (I was in Boston). IIRC, it was over $300 to ship
it UPS due to the size.
73, Dick, W1KSZ
On 7/25/2013 6:23 PM, paul swed wrote:
Marki the antennas are about 3 foot as I recall not huge, really. But
Australia is a bit far away. I would think JJY might be better for you.
That said to actually improve the signal at that distance build a
serious
loop. Mine is 10' by 10 ft 800 ft of wire and preamp. Does a heck of
a job
for the east coast of the US. Australia is large so you could go really
big. :-) Seriously the larger the area the better. Though the limit
seems
to be the turns and the ability to tune the coil with a cap.
There is a lot of good information on a site called vlf.it on loops.
Regards
Paul
WB8TSL
On Thu, Jul 25, 2013 at 8:57 PM, Mark C. Stephens
marks@non-stop.com.auwrote:
Hi Pete, I have a 14" diameter choke ring GPS L1 with a big spike on
the
top of it, on the peak of the roof :)
That certainly gets some stares!
As the HP antenna is VLF, is the Antenna Huge?
I can't reliably get WWVB in Australia.
Lots of fading etcetera, or I'd be in there like a shot :)
We do have a beer called VB hmmm..
--marki
-----Original Message-----
From: time-nuts-bounces@febo.com [mailto:time-nuts-bounces@febo.com] On
Behalf Of Pete Lancashire
Sent: Friday, 26 July 2013 10:50 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Agilent / HP 117A on eBay...
I still would like to find one of the HP antenna's just for the looks.
Even the 10509A with 13CW4's .. ok the FET version would be better.
At least give those passing by something else to point at :-)
-pete
On Thu, Jul 25, 2013 at 7:09 AM, Burt I. Weiner biwa@att.net wrote:
I always wanted on, but with the intention of using it. To bad it's
now useless now with the new WWVB format, otherwise I'd buy it.
Antennas I got.
Burt, K6OQK
At 06:14 AM 7/25/2013, time-nuts-request@febo.com wrote
Would this box work with the new WWVB format?
On 07/25/2013 04:07 AM, Mark C. Stephens wrote:
Oh my gosh, a 117A has popped up on eBay!
Looks in pretty good condition given its age...
Seller claims the antenna will be listed shortly!
Item # 281141315740
--marki
Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California U.S.A.
biwa@att.net
www.biwa.cc
K6OQK
_____________**
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/**
mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listin
fo/time-nuts>
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
--
Chuck Forsberg WA7KGX caf@omen.com www.omen.com
Developer of Industrial ZMODEM(Tm) for Embedded Applications
Omen Technology Inc "The High Reliability Software"
10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430
the side loops are insulated at the top to prevent forming aa shorted
turn. It's a loop antenna that works on the magnetic field component of
the incoming wave, rather than the electric field, like a whip. So, if
you put a bunch of turns inside the loop of conduit, a complete loop of
conduit will be a shorted secondary.
J. Forster
The HP 117A antenna is a circular shielded loop, about 1 meter or 3' in
diameter. I never bothered to measure it. It looks to be made out of
roughly 1" OD aluminum electrical conduit components, a Tee at the top
and
a pull box at the bottom. There are three conduit sections, one a
diameter
that goes vertically from the bottom pull box to the top Tee. There are
a
pair of semicirllas, one on each side. The two side loop halved are
insulated from the pull box as I remember.
There is a picture in the 117A manual on the Agilent site, but no
dimensions I saw. It is a crummy scan. The loop dimensions may be in a
catalog of the period.
It'd be fairly easy to replicate w/ a hand conduit bender, IMO.
-John
====================
I never bothered
Hi Pete, I have a 14" diameter choke ring GPS L1 with a big spike on
the
top of it, on the peak of the roof :)
That certainly gets some stares!
As the HP antenna is VLF, is the Antenna Huge?
I can't reliably get WWVB in Australia.
Lots of fading etcetera, or I'd be in there like a shot :)
We do have a beer called VB hmmm..
--marki
-----Original Message-----
From: time-nuts-bounces@febo.com [mailto:time-nuts-bounces@febo.com]
On
Behalf Of Pete Lancashire
Sent: Friday, 26 July 2013 10:50 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Agilent / HP 117A on eBay...
I still would like to find one of the HP antenna's just for the looks.
Even the 10509A with 13CW4's .. ok the FET version would be better.
At least give those passing by something else to point at :-)
-pete
On Thu, Jul 25, 2013 at 7:09 AM, Burt I. Weiner biwa@att.net wrote:
I always wanted on, but with the intention of using it. To bad it's
now useless now with the new WWVB format, otherwise I'd buy it.
Antennas I got.
Burt, K6OQK
At 06:14 AM 7/25/2013, time-nuts-request@febo.com wrote
Would this box work with the new WWVB format?
On 07/25/2013 04:07 AM, Mark C. Stephens wrote:
Oh my gosh, a 117A has popped up on eBay!
Looks in pretty good condition given its age...
Seller claims the antenna will be listed shortly!
Item # 281141315740
--marki
Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California U.S.A.
biwa@att.net
www.biwa.cc
K6OQK
_____________**
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/**
mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listin
fo/time-nuts>
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
--
"Neither the voice of authority nor the weight of reason and argument
are as significant as experiment, for thence comes quiet to the mind."
De Erroribus Medicorum, R. Bacon, 13th century.
"If you don't know what it is, don't poke it."
Ghost in the Shell
Dr. Don Latham AJ7LL
Six Mile Systems LLP
17850 Six Mile Road
POB 134
Huson, MT, 59846
VOX 406-626-4304
Skype: buffler2
www.lightningforensics.com
www.sixmilesystems.com
On mine, the side arms are insulated at the bottom and the conduit screws
directly into the Tee at the top. That makes the shield symmetric about
ground at the vertical post.
-John
===============
the side loops are insulated at the top to prevent forming aa shorted
turn. It's a loop antenna that works on the magnetic field component of
the incoming wave, rather than the electric field, like a whip. So, if
you put a bunch of turns inside the loop of conduit, a complete loop of
conduit will be a shorted secondary.
J. Forster
The HP 117A antenna is a circular shielded loop, about 1 meter or 3' in
diameter. I never bothered to measure it. It looks to be made out of
roughly 1" OD aluminum electrical conduit components, a Tee at the top
and
a pull box at the bottom. There are three conduit sections, one a
diameter
that goes vertically from the bottom pull box to the top Tee. There are
a
pair of semicirllas, one on each side. The two side loop halved are
insulated from the pull box as I remember.
There is a picture in the 117A manual on the Agilent site, but no
dimensions I saw. It is a crummy scan. The loop dimensions may be in a
catalog of the period.
It'd be fairly easy to replicate w/ a hand conduit bender, IMO.
-John
====================
I never bothered
Hi Pete, I have a 14" diameter choke ring GPS L1 with a big spike on
the
top of it, on the peak of the roof :)
That certainly gets some stares!
As the HP antenna is VLF, is the Antenna Huge?
I can't reliably get WWVB in Australia.
Lots of fading etcetera, or I'd be in there like a shot :)
We do have a beer called VB hmmm..
--marki
-----Original Message-----
From: time-nuts-bounces@febo.com [mailto:time-nuts-bounces@febo.com]
On
Behalf Of Pete Lancashire
Sent: Friday, 26 July 2013 10:50 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Agilent / HP 117A on eBay...
I still would like to find one of the HP antenna's just for the looks.
Even the 10509A with 13CW4's .. ok the FET version would be better.
At least give those passing by something else to point at :-)
-pete
On Thu, Jul 25, 2013 at 7:09 AM, Burt I. Weiner biwa@att.net wrote:
I always wanted on, but with the intention of using it. To bad it's
now useless now with the new WWVB format, otherwise I'd buy it.
Antennas I got.
Burt, K6OQK
At 06:14 AM 7/25/2013, time-nuts-request@febo.com wrote
Would this box work with the new WWVB format?
On 07/25/2013 04:07 AM, Mark C. Stephens wrote:
Oh my gosh, a 117A has popped up on eBay!
Looks in pretty good condition given its age...
Seller claims the antenna will be listed shortly!
Item # 281141315740
--marki
Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California U.S.A.
biwa@att.net
www.biwa.cc
K6OQK
_____________**
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/**
mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listin
fo/time-nuts>
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
--
"Neither the voice of authority nor the weight of reason and argument
are as significant as experiment, for thence comes quiet to the mind."
De Erroribus Medicorum, R. Bacon, 13th century.
"If you don't know what it is, don't poke it."
Ghost in the Shell
Dr. Don Latham AJ7LL
Six Mile Systems LLP
17850 Six Mile Road
POB 134
Huson, MT, 59846
VOX 406-626-4304
Skype: buffler2
www.lightningforensics.com
www.sixmilesystems.com