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From: kondrak <kon..._at_phreaker.net>
Subject: Re: [TSCM-L] Radiated Signals Protocol
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All well, fine and good, and I'll agree these are noble benchmarks to
be strived for.
Now consider this.
We have a 535' building, (26 floors) on top are 8 FM broadcast
stations, all in excess of 30KW (up the pipe), some combined
antennas, some stand alone. Several are operating out of FCC spec as
to distortion, and power output. Complicate that, with a lightning
strike, having torn a hole in one heliax, feeding from two floors
below, at approx 32kw forward and a 350 reverse, (measured on a bird
wattmeter at the transmitter). The stairwell this cable occupies is
a circular design, and touching the handrail at certain points gives
RF burns. Cellular systems on ALL the popular US cell freqs is in
operation as well. The place is a RF nightmare. We also have an old
IMTS setup, (decommissioned) several UHF business band customers,
including taxis, and general dispatch, all on separate antennas. 2
microwave systems, one on 2.4 ghz for TV remote relay for a local TV
station feed from the downtown area, one of 34 ghz, (telephony for
local government) and a passive 10 ghz microwave repeater consisting
of two dishes and heliax, one end pointed at a sports complex, and
the other end to the TV station, a mile away.
A business on the 22nd floor suspects the corner CEO office is
bugged, as confidential information is being leaked from there as far
as they're concerned.
This is an AF+RF bug case, (and was solved) and your preamps are
saturated before they're plugged in its so RF hot up there. Its so
hot, a FM broadcast radio can hardly hear a 20 kw educational station
they can see out the window.
It took three months. And was eventually the mic in the exec
intercom, put on a vertical telco wire to the radio room, using one
of the old IMTS transmitters, with the final tube (yes it was that
old) pulled to lower its power to milliwatts. Its suspected the
listening post was another high rise building in the downtown area.
On this job, the most utilized tool was a simpson 260 multimeter. A
lcd dvm showed all 8's when turned on anywhere above the 21st floor.
This went into the "impossible file".... :-D
At 22:56 11/19/2006, you wrote:
>Radiated Signals Protocol
>by James M. Atkinson, Granite Island Group
>http://www.tscm.com/
>
>The TSCM survey will include a detailed inventory and evaluation of
>all electro-magnetic energy present in the area being inspected. This
>inventory will include the use of both spectrum analyzers and search
>receivers, but may also include various broad-band diode detectors
>and related systems. However, only calibrated laboratory grade
>instruments shall be used to support the determination that an
>eavesdropping is not present, with non-calibrated systems being used
>solely as an aid to the calibrated systems.
>
>The search for a radiating signal will involve establishing a search
>area that is not greater than 512 cubic feet of space, or 64 square
>feet of floor space in an 8 foot wide, by 8 foot deep, by 8 foot high
>area. The search area shall extend to at least 6 feet beyond all
>walls, windows and doors surrounding the area being checked. In the
>event that there is a false ceiling or high ceiling (above 8 feet)
>present, the area above 7 feet shall be considered a separate area
>for the purposes of this search. All raised floors deeper then 6
>inches, or wall thicker then 6 inches shall be considered a separate
>area and inspected independent from the surrounding area.
>
>A comprehensive Radio Frequency Spectrum Analysis will be conducted
>between the frequencies of 30 Hz and 110 GHz for the detection of
>clandestine transmitters utilizing conducted or radiated
>transmissions paths. Frequencies above 110 GHz shall be performed at
>the discretion of the TSCM specialist.
>
>All signals that presented energy above an displayed average noise
>floor (DANL) of less than or equal to -160 dBm (1 Hz BW) will
>inventoried and evaluated for the presence of any hostile
>intelligence, eavesdropping devices, compromising signals, or related
>emissions. Special attention will be paid to any signal which had
>energy present in any area, surfaces, or conducted paths in excess of
>-135 dBm (1 kHz BW). Analysis is signals weaker then -160/-135 dBm
>shall be at the discretion of the TSCM specialist.
>
>Signals which appear above the defined minimally detectable signal
>level shall be maintained in an ACCESS, RAPHAEL, or similar database
>program which is capable of multi-dimensional analysis, mapping, or
>imaging of the RF spectrum. The database being used shall be
>populated in advance of the sweep project with all known transmitters
>operating (or suspected to be operating) within a 5 mile radius of
>the project location for transmitters operating with less then 100
>watts of power. For all transmitters operating in excess of 100 watts
>this radius shall be increased to 30 miles, and for all transmitters
>operating above 1 KW this radius shall be increased to 75 miles. The
>radius for the inventory of all signals above 2 GHz shall be 200
>miles irrespective of the transmitter output power. For the purpose
>of power level definitions the output power shall be high higher of
>the output of the power amplified, or the effective radiated power,
>whichever is higher. This database shall include those signals which
>are known or suspected to be in use by eavesdroppers, and
>eavesdropping devices, or which have been historically exploited or
>utilized by those in the espionage profession.
>
>An immediate high threat indicator shall be used for every known
>"house" frequency or band known to be used by the top worldwide
>equipment manufactures for eavesdropping equipment for non-free
>oscillating devices. A high threat indicator shall also be mapped
>into the database at each point where a eavesdropper operated remote
>control device has been historcically found, or is suspected to operate.
>
>Active pre-amplification will be used on all transducers and antennas
>to overcome the noise figures of all instruments and cables losses to
>ensure accurate and highly sensitive measurements. This active
>pre-amplification will resulted in signals being detected involving a
>noise floor below -160 dBm. Specialized filters will be applied to
>each band being measured to overcome inter-modulation products, and
>to further isolate the frequency being measured.
>
>Based on the initial signals inventory, a set of band pass filter
>shall be prepared or tuned prior to the start of the on site segment
>of the project to assist in isolating overly strong signals which may
>interfere with making sensitive measurements.
>
>Signals will be gathered with both wide band antennas, and resonant,
>or quasi resonant antennas. In the case of the later the instruments
>will automatically track, tune, and adjust the antenna to resonance
>as the measurement is being made. This will insure that the antenna
>is at or close to resonance at the proper electrical point, and that
>an extraordinarily high level of sensitivity and isolation of the
>signal is achieved. Various resolution bandwidths between 1 Hz and
>above 200 MHz will applied to all signals to allow further signal
>analysis. Peak hold, quasi peak detection, and other functions will
>be used to detect the presence of spread spectrum, frequency hopping,
>or other signals, which may be covert in nature and used for
>eavesdropping. Space Domain Analysis, Doppler shift, and pseudo
>Doppler shift methods will be utilized to determine the source of all
>RF energy that presents a signal above -160 dBm.
>
>All signals which presented a signature of a rasterized, chirped,
>hopped, burst, or repetitive nature wil evaluated via raster analysis
>and identification. For the duration of the entire project a wide
>band observation of the spectrum between 9 kHz and 12.4 GHz shall be
>maintained at all times. This shall be in the form of a real-time
>spectrogram or rising raster where the observed RF spectrum appears
>as frequency on the X axis, time on the Y axis, and amplitude on the
>Z axis. The time axis shall refresh or retrace at least once every 5
>uS so that the raster "climbs" or collects a full range of
>frequencies at least every 5 uS. Multiple instruments may be used at
>the discretion of the TSCM specialist, but every effort should be
>made to observe the spectrum in at least 3 GHz segments. Each 3 GHz
>of spectrum shall create a data set of at least 65,536 sample points
>with a bandwidth filter of not greater then 200 kHz per point. Each
>datapoint shall consist of at least 12 bits of data for each sample.
>
>The spectrogram and inventory shall take place for at least 72
>continuous hours (3 days) prior to the actual TSCM service being
>initiated, then shall take place for the duration of the TSCM
>activity, but at least 72 additional hours (3 days) in additional to
>the first 72 hours. The entire spectrum (to at least 12 GHz) will be
>observed via a passive spectrogram for 3 days (72 hours) or more
>prior to any TSCM activity from a number of positions ( at least
>three positions) outside of the targeted facility, but within a three
>mile radius (15,000 feet), but not closer then 1,500 feet, and
>certainly not close enough to be detectable by the eavesdropper.
>Whenever possible a laboratory grade passive, fixed spectrogram
>system shall be introduced into the facility far in advance of any
>TSCM service, and used to maintain a full time long term watch on the
>RF spectrum (30 Hz to 110 GHz) and shall be used to supplement the
>external spectrograms.
>
>All normal TSCM services shall involve a project of 10 work days, or
>two weeks in duration, whichever is longer. The spectrogram shall be
>started at least three days before this time, and shall continue,
>uninterrupted for the full duration of the TSCM service so that a
>minimum of 408 hours of spectrum surveillance and logging is
>completed prior to any opinion being rendered as to the existence or
>absence or any hostile devices or activities, or before the TSCM team
>departs the location being evaluated.
>
>In an optimal scenario a full time, long term, permanent spectrogram
>system shall be installed into the area to be protected, with
>antenna's being scattered inside the area of greatest concern, and
>disguised as harmless structural elements or furnishings. An
>identical, but mobile version of the fixed system shall then be
>duplicated and installed into at least one completely mobile vehicle,
>capable of completely standalone off-site operation for three days
>(72 hours). When possible, three or more external systems shall be
>operated in parallel outside of the area of concern, plus a fixed
>system inside the area to be inspected.
>
>Once the areas external to the site to be inspected have been
>monitored for at least 72 hours (three days) a man portable system
>shall be brought into the area to be inspected, or a portion of the
>permanently installed spectrogram system shall be allocated for
>portable use in the area to be inspected in detail. The area to be
>inspected shall them be divided into cubes, not to exceed 512 cubic
>feet each (8 ft x 8 ft x 8 ft) and the antenna for the spectrogram
>system left in the center of each of these areas for at least 15
>minutes or more to map out all RF energy in the area being inspected.
>Each cube shall be monitored for a minimum of 15 minutes, or 450,000
>sweeps between 9 kHz to 12 GHz, whichever is highest.
>
>Special care shall be taken with measurements below 500 kHz to ensure
>that the antenna being used is optimal for the frequency being
>measured, with high nickel and cobalt/low iron devices being used to
>ensure that the antenna is either at resonance or near resonance at
>the frequency begin measured. Further, all surfaces in the area being
>inspected shall be evaluated by placing a swept tuned nickle/cobalt
>antenna in moving contact or near contact with the wall, floor,
>surface, or linear surface area for at least 15 seconds per linear
>meter, with a 30 percent overlap on each pass. A single pass or
>multi-antenna cluster shall be used at resonance for 60 Hz, a second
>for (swept) voice band between 300 Hz and 3000 Hz, third for (fixed)
>15 or 15.734 kHz, and a fourth (fixed) for 32.767 kHz. A swept
>broadband 25 kHz to 400 kHz probe shall be used in addition to four
>band specific probes. These probes shall first be used in the
>horizontal plane, then the vertical orientation, and then in a
>diagonal orientation with a 30 percent overlap on each pass.
>
>All raw data from each of these positions shall then be combined into
>a central project database, and each signal evaluated on an
>individual basis prior to any opinion being rendered. All operator or
>equipment errors shall be so noted in the database, but such data
>shall not be discarded, deleted, or otherwise removed from the data set.
>
>Non linear junction detectors, remote controls, burst stimulators,
>nor any other radiating device shall be used until the first 400
>hours of monitoring has been completed, and an initial opinion has
>been formally rendered regarding the results of the passive
>monitoring segment of the project. Once the active RF segment of the
>project has been entered great care will need to be taken ensure that
>the stimulus signals are accurately captured and annotated in the
>spectrogram and spectral database and correlated to the response signals.
>
>Every effort shall be made to utilize laboratory grade COTS test
>equipment for all measurements, and all equipment shall be in current
>calibration, and confirmed to be fully operation prior to each
>project, and then again confirmed to be fully functional every 4
>hours or less. Cable lengths shall be as short as possible, and great
>care shall be taken to maintain the cables away from any signal
>source that may create in interfering signal.
>
>All equipment shall be allowed to "warm-up" for at least 30 minutes
>prior to being used for measurement, and when possible shall be
>locked to a disciplined common time reference shared by all equipment
>on site, and phase locked to the time base to enhance all
>measurements. All equipment shall be brought to ambient room
>temperature either by leaving the equipment in the room to passively
>reach room temperature, or a forced air, or pad may be used. Once
>room temperature is reach, only then shall the warm-up period or 30
>minutes begin. Care shall be taken not to operate the equipment
>outside of the manufactures specifications for calibrated
>measurements either in the temperature or humidity ranges.
>
>All measurements shall be repeated on two or more independent, but
>identical instruments, and when possible operated by two different
>controllers or TSCM specialists. Any significant deviation between
>measurement results shall be immediatly resolved, and all
>measurements repeated three times. At no time shall the measurements
>be discarded, even in the event of a wide deviation in the datasets.
>
>
>
>
>----------------------------------------------------------------------------------------------------
> James M. Atkinson Phone: (978) 546-3803
> Granite Island Group Fax: (978) 546-9467
> 127 Eastern Avenue #291 Web: http://www.tscm.com/
> Gloucester, MA 01931-8008 E-mail: mailto:jm..._at_tscm.com
>----------------------------------------------------------------------------------------------------
> World Class, Professional, Ethical, and Competent Bug Sweeps, and
>Wiretap Detection using Sophisticated Laboratory Grade Test Equipment.
>----------------------- Copyright 2006, Granite Island Group
>-------------------------
>
>
>
>
--=====================_67568828==.ALT
Content-Type: text/html; charset=iso-8859-1
Content-Transfer-Encoding: quoted-printable
<html>
<body>
<font size=3D3>All well, fine and good, and I'll agree these are noble
benchmarks to be strived for.<br>
Now consider this.<br>
We have a 535' building, (26 floors) on top are 8 FM broadcast stations,
all in excess of 30KW (up the pipe), some combined antennas, some stand
alone. Several are operating out of FCC spec as to distortion, and
power output. Complicate that, with a lightning strike, having torn a
hole in one heliax, feeding from two floors below, at approx 32kw forward
and a 350 reverse, (measured on a bird wattmeter at the
transmitter). The stairwell this cable occupies is a circular
design, and touching the handrail at certain points gives RF burns.
Cellular systems on ALL the popular US cell freqs is in operation as
well. The place is a RF nightmare. We also have an old IMTS setup,
(decommissioned) several UHF business band customers, including
taxis, and general dispatch, all on separate antennas. 2 microwave
systems, one on 2.4 ghz for TV remote relay for a local TV station feed
from the downtown area, one of 34 ghz, (telephony for local government)
and a passive 10 ghz microwave repeater consisting of two dishes and
heliax, one end pointed at a sports complex, and the other end to the TV
station, a mile away.<br><br>
A business on the 22nd floor suspects the corner CEO office is bugged, as
confidential information is being leaked from there as far as they're
concerned.<br><br>
This is an AF+RF bug case, (and was solved) and your preamps are
saturated before they're plugged in its so RF hot up there. Its so hot, a
FM broadcast radio can hardly hear a 20 kw educational station they can
see out the window.<br><br>
It took three months. And was eventually the mic in the exec intercom,
put on a vertical telco wire to the radio room, using one of the old IMTS
transmitters, with the final tube (yes it was that old) pulled to lower
its power to milliwatts. Its suspected the listening post was another
high rise building in the downtown area. On this job, the most utilized
tool was a simpson 260 multimeter. A lcd dvm showed all 8's when turned
on anywhere above the 21st floor.<br><br>
This went into the "impossible file".... :-D<br><br>
<br>
At 22:56 11/19/2006, you wrote:<br><br>
<br>
<blockquote type=3Dcite class=3Dcite cite=3D"">Radiated Signals Protocol<br=
>
by James M. Atkinson, Granite Island Group<br>
<a href=3D"
http://www.tscm.com/" eudora=3D"autourl">
http://www.tscm.com/</a=
>
<br><br>
The TSCM survey will include a detailed inventory and evaluation of <br>
all electro-magnetic energy present in the area being inspected. This
<br>
inventory will include the use of both spectrum analyzers and search
<br>
receivers, but may also include various broad-band diode detectors <br>
and related systems. However, only calibrated laboratory grade <br>
instruments shall be used to support the determination that an <br>
eavesdropping is not present, with non-calibrated systems being used
<br>
solely as an aid to the calibrated systems.<br><br>
The search for a radiating signal will involve establishing a search
<br>
area that is not greater than 512 cubic feet of space, or 64 square <br>
feet of floor space in an 8 foot wide, by 8 foot deep, by 8 foot high
<br>
area. The search area shall extend to at least 6 feet beyond all <br>
walls, windows and doors surrounding the area being checked. In the <br>
event that there is a false ceiling or high ceiling (above 8 feet) <br>
present, the area above 7 feet shall be considered a separate area <br>
for the purposes of this search. All raised floors deeper then 6 <br>
inches, or wall thicker then 6 inches shall be considered a separate
<br>
area and inspected independent from the surrounding area.<br><br>
A comprehensive Radio Frequency Spectrum Analysis will be conducted <br>
between the frequencies of 30 Hz and 110 GHz for the detection of <br>
clandestine transmitters utilizing conducted or radiated <br>
transmissions paths. Frequencies above 110 GHz shall be performed at
<br>
the discretion of the TSCM specialist.<br><br>
All signals that presented energy above an displayed average noise <br>
floor (DANL) of less than or equal to -160 dBm (1 Hz BW) will <br>
inventoried and evaluated for the presence of any hostile <br>
intelligence, eavesdropping devices, compromising signals, or related
<br>
emissions. Special attention will be paid to any signal which had <br>
energy present in any area, surfaces, or conducted paths in excess of
<br>
-135 dBm (1 kHz BW). Analysis is signals weaker then -160/-135 dBm <br>
shall be at the discretion of the TSCM specialist.<br><br>
Signals which appear above the defined minimally detectable signal <br>
level shall be maintained in an ACCESS, RAPHAEL, or similar database
<br>
program which is capable of multi-dimensional analysis, mapping, or <br>
imaging of the RF spectrum. The database being used shall be <br>
populated in advance of the sweep project with all known transmitters
<br>
operating (or suspected to be operating) within a 5 mile radius of <br>
the project location for transmitters operating with less then 100 <br>
watts of power. For all transmitters operating in excess of 100 watts
<br>
this radius shall be increased to 30 miles, and for all transmitters
<br>
operating above 1 KW this radius shall be increased to 75 miles. The
<br>
radius for the inventory of all signals above 2 GHz shall be 200 <br>
miles irrespective of the transmitter output power. For the purpose
<br>
of power level definitions the output power shall be high higher of <br>
the output of the power amplified, or the effective radiated power, <br>
whichever is higher. This database shall include those signals which
<br>
are known or suspected to be in use by eavesdroppers, and <br>
eavesdropping devices, or which have been historically exploited or <br>
utilized by those in the espionage profession.<br><br>
An immediate high threat indicator shall be used for every known <br>
"house" frequency or band known to be used by the top worldwide
<br>
equipment manufactures for eavesdropping equipment for non-free <br>
oscillating devices. A high threat indicator shall also be mapped <br>
into the database at each point where a eavesdropper operated remote
<br>
control device has been historcically found, or is suspected to
operate.<br><br>
Active pre-amplification will be used on all transducers and antennas
<br>
to overcome the noise figures of all instruments and cables losses to
<br>
ensure accurate and highly sensitive measurements. This active <br>
pre-amplification will resulted in signals being detected involving a
<br>
noise floor below -160 dBm. Specialized filters will be applied to <br>
each band being measured to overcome inter-modulation products, and <br>
to further isolate the frequency being measured.<br><br>
Based on the initial signals inventory, a set of band pass filter <br>
shall be prepared or tuned prior to the start of the on site segment
<br>
of the project to assist in isolating overly strong signals which may
<br>
interfere with making sensitive measurements.<br><br>
Signals will be gathered with both wide band antennas, and resonant,
<br>
or quasi resonant antennas. In the case of the later the instruments
<br>
will automatically track, tune, and adjust the antenna to resonance <br>
as the measurement is being made. This will insure that the antenna <br>
is at or close to resonance at the proper electrical point, and that
<br>
an extraordinarily high level of sensitivity and isolation of the <br>
signal is achieved. Various resolution bandwidths between 1 Hz and <br>
above 200 MHz will applied to all signals to allow further signal <br>
analysis. Peak hold, quasi peak detection, and other functions will <br>
be used to detect the presence of spread spectrum, frequency hopping,
<br>
or other signals, which may be covert in nature and used for <br>
eavesdropping. Space Domain Analysis, Doppler shift, and pseudo <br>
Doppler shift methods will be utilized to determine the source of all
<br>
RF energy that presents a signal above -160 dBm.<br><br>
All signals which presented a signature of a rasterized, chirped, <br>
hopped, burst, or repetitive nature wil evaluated via raster analysis
<br>
and identification. For the duration of the entire project a wide <br>
band observation of the spectrum between 9 kHz and 12.4 GHz shall be
<br>
maintained at all times. This shall be in the form of a real-time <br>
spectrogram or rising raster where the observed RF spectrum appears <br>
as frequency on the X axis, time on the Y axis, and amplitude on the
<br>
Z axis. The time axis shall refresh or retrace at least once every 5
<br>
uS so that the raster "climbs" or collects a full range of
<br>
frequencies at least every 5 uS. Multiple instruments may be used at
<br>
the discretion of the TSCM specialist, but every effort should be <br>
made to observe the spectrum in at least 3 GHz segments. Each 3 GHz <br>
of spectrum shall create a data set of at least 65,536 sample points
<br>
with a bandwidth filter of not greater then 200 kHz per point. Each <br>
datapoint shall consist of at least 12 bits of data for each
sample.<br><br>
The spectrogram and inventory shall take place for at least 72 <br>
continuous hours (3 days) prior to the actual TSCM service being <br>
initiated, then shall take place for the duration of the TSCM <br>
activity, but at least 72 additional hours (3 days) in additional to
<br>
the first 72 hours. The entire spectrum (to at least 12 GHz) will be
<br>
observed via a passive spectrogram for 3 days (72 hours) or more <br>
prior to any TSCM activity from a number of positions ( at least <br>
three positions) outside of the targeted facility, but within a three
<br>
mile radius (15,000 feet), but not closer then 1,500 feet, and <br>
certainly not close enough to be detectable by the eavesdropper. <br>
Whenever possible a laboratory grade passive, fixed spectrogram <br>
system shall be introduced into the facility far in advance of any <br>
TSCM service, and used to maintain a full time long term watch on the
<br>
RF spectrum (30 Hz to 110 GHz) and shall be used to supplement the <br>
external spectrograms.<br><br>
All normal TSCM services shall involve a project of 10 work days, or
<br>
two weeks in duration, whichever is longer. The spectrogram shall be
<br>
started at least three days before this time, and shall continue, <br>
uninterrupted for the full duration of the TSCM service so that a <br>
minimum of 408 hours of spectrum surveillance and logging is <br>
completed prior to any opinion being rendered as to the existence or
<br>
absence or any hostile devices or activities, or before the TSCM team
<br>
departs the location being evaluated.<br><br>
In an optimal scenario a full time, long term, permanent spectrogram
<br>
system shall be installed into the area to be protected, with <br>
antenna's being scattered inside the area of greatest concern, and <br>
disguised as harmless structural elements or furnishings. An <br>
identical, but mobile version of the fixed system shall then be <br>
duplicated and installed into at least one completely mobile vehicle,
<br>
capable of completely standalone off-site operation for three days <br>
(72 hours). When possible, three or more external systems shall be <br>
operated in parallel outside of the area of concern, plus a fixed <br>
system inside the area to be inspected.<br><br>
Once the areas external to the site to be inspected have been <br>
monitored for at least 72 hours (three days) a man portable system <br>
shall be brought into the area to be inspected, or a portion of the <br>
permanently installed spectrogram system shall be allocated for <br>
portable use in the area to be inspected in detail. The area to be <br>
inspected shall them be divided into cubes, not to exceed 512 cubic <br>
feet each (8 ft x 8 ft x 8 ft) and the antenna for the spectrogram <br>
system left in the center of each of these areas for at least 15 <br>
minutes or more to map out all RF energy in the area being inspected.
<br>
Each cube shall be monitored for a minimum of 15 minutes, or 450,000
<br>
sweeps between 9 kHz to 12 GHz, whichever is highest.<br><br>
Special care shall be taken with measurements below 500 kHz to ensure
<br>
that the antenna being used is optimal for the frequency being <br>
measured, with high nickel and cobalt/low iron devices being used to
<br>
ensure that the antenna is either at resonance or near resonance at <br>
the frequency begin measured. Further, all surfaces in the area being
<br>
inspected shall be evaluated by placing a swept tuned nickle/cobalt <br>
antenna in moving contact or near contact with the wall, floor, <br>
surface, or linear surface area for at least 15 seconds per linear <br>
meter, with a 30 percent overlap on each pass. A single pass or <br>
multi-antenna cluster shall be used at resonance for 60 Hz, a second
<br>
for (swept) voice band between 300 Hz and 3000 Hz, third for (fixed)
<br>
15 or 15.734 kHz, and a fourth (fixed) for 32.767 kHz. A swept <br>
broadband 25 kHz to 400 kHz probe shall be used in addition to four <br>
band specific probes. These probes shall first be used in the <br>
horizontal plane, then the vertical orientation, and then in a <br>
diagonal orientation with a 30 percent overlap on each pass.<br><br>
All raw data from each of these positions shall then be combined into
<br>
a central project database, and each signal evaluated on an <br>
individual basis prior to any opinion being rendered. All operator or
<br>
equipment errors shall be so noted in the database, but such data <br>
shall not be discarded, deleted, or otherwise removed from the data
set.<br><br>
Non linear junction detectors, remote controls, burst stimulators, <br>
nor any other radiating device shall be used until the first 400 <br>
hours of monitoring has been completed, and an initial opinion has <br>
been formally rendered regarding the results of the passive <br>
monitoring segment of the project. Once the active RF segment of the
<br>
project has been entered great care will need to be taken ensure that
<br>
the stimulus signals are accurately captured and annotated in the <br>
spectrogram and spectral database and correlated to the response
signals.<br><br>
Every effort shall be made to utilize laboratory grade COTS test <br>
equipment for all measurements, and all equipment shall be in current
<br>
calibration, and confirmed to be fully operation prior to each <br>
project, and then again confirmed to be fully functional every 4 <br>
hours or less. Cable lengths shall be as short as possible, and great
<br>
care shall be taken to maintain the cables away from any signal <br>
source that may create in interfering signal.<br><br>
All equipment shall be allowed to "warm-up" for at least 30
minutes <br>
prior to being used for measurement, and when possible shall be <br>
locked to a disciplined common time reference shared by all equipment
<br>
on site, and phase locked to the time base to enhance all <br>
measurements. All equipment shall be brought to ambient room <br>
temperature either by leaving the equipment in the room to passively
<br>
reach room temperature, or a forced air, or pad may be used. Once <br>
room temperature is reach, only then shall the warm-up period or 30 <br>
minutes begin. Care shall be taken not to operate the equipment <br>
outside of the manufactures specifications for calibrated <br>
measurements either in the temperature or humidity ranges.<br><br>
All measurements shall be repeated on two or more independent, but <br>
identical instruments, and when possible operated by two different <br>
controllers or TSCM specialists. Any significant deviation between <br>
measurement results shall be immediatly resolved, and all <br>
measurements repeated three times. At no time shall the measurements
<br>
be discarded, even in the event of a wide deviation in the
datasets.<br><br>
<br><br>
<br>
---------------------------------------------------------------------------=
-------------------------<br>
James M.
Atkinson &=
nbsp; &nbs=
p;
Phone: (978) 546-3803<br>
Granite Island
Group &nbs=
p; &=
nbsp;
Fax: (978) 546-9467<br>
127 Eastern Avenue
#291  =
;
Web:
<a href=3D"
http://www.tscm.com/" eudora=3D"autourl">
http://www.tscm.com/</a=
>
<br>
Gloucester, MA
01931-8008  =
;
E-mail:
<a href=3D"mailto:jm..._at_tscm.com" eudora=3D"autourl">mailto:jm..._at_tscm.com<=
/a>
<br>
---------------------------------------------------------------------------=
-------------------------<br>
World Class, Professional, Ethical, and Competent Bug
Sweeps, and<br>
Wiretap Detection using Sophisticated Laboratory Grade Test
Equipment.<br>
----------------------- Copyright 2006, Granite Island Group <br>
-------------------------<br><br>
<br><br>
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Received on Sat Mar 02 2024 - 00:57:24 CST