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Grecom EZ Scan-SD PSR-700, Owner'S Manual

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Grecom EZ Scan-SD PSR-700 Owner'S Manual Download Page 56

Navigates to the EZ Scan-SD

ʼ

s Main Menu

Search Menu

Navigates to the Search Menu

Cancel Changes

Exits the Limit Search Menu without saving any changes

Save Changes

Saves your changes and exits the Limit Search Menu

Attenuator

When checked, attenuation is enabled when using Limit Search. 
Attenuation limits the effective range of Limit Search and may 
help reduce interference from strong local transmitters. Use the 

▶

/II/SEL

 or 

 

keys to toggle Attenuator status.

Zeromatic

Enables or disables the EZ Scan-SD

ʼ

s Zeromatic circuit. 

Zeromatic helps the EZ Scan-SD tune to exact frequencies when 
searching. Use the 

 or

 

 

keys to toggle Zeromatic enabled/

disabled status.

Delay

Enables or disables delay when using the Limit Search feature. 
When delay is enabled, the EZ Scan-SD waits for two seconds 
after a transmission to receive reply traffic before resuming 
search. Use the 

 or

 

 

keys to toggle delay enabled/disabled 

status.

Lo

Sets the lower frequency for the Limit Search frequency range. 
Press the 

 

key, then follow the on-screen instructions to edit 

and save the lower frequency.

Hi

Sets the upper frequency for the Limit Search frequency range. 
Press the 

 

key, then follow the on-screen instructions to edit 

and save the upper frequency.

Storing found CTCSS or DCS codes

Your EZ Scan-SD is able to quickly identify the CTCSS or DCS 
subaudible squelch code used on many conventional radio 

EZ Scan-SD User Manual

!

Page 55

Summary of Contents for EZ Scan-SD PSR-700

Page 1: ...GRECOM PSR 700 EZ Scan SD Owner s Manual ...

Page 2: ...America Incorporated All Rights Reserved OWNERʼS MANUAL Please read before using this equipment IMPORTANT This manual uses the following symbols to emphasize Warnings Notes and Usage Hints WARNING A WARNING symbol is used to indicate possible risk of personal injury or damage to equipment NOTE A NOTE symbol is used to indicate an operational note that relates to the current paragraph of the manual...

Page 3: ...r Off 16 Battery Type Selection 17 Squelch 18 Understanding the Display 18 Display Icons 19 psD Indicators 20 How the EZ Scan SD Works 21 Copyright Notice 21 Getting Started 23 Unpacking the EZ Scan SD 23 Inserting the batteries 23 Attaching the antenna 24 Turning the EZ Scan SD on 24 Battery Charge Indicator 24 Low Battery Warning 25 Listening Safely 25 Traffic Safety 25 Connecting an Optional Ex...

Page 4: ...using 37 Skipping 37 Scan Resume 37 More EZ Scan SD Features 38 EZ Scan SD PC Application 38 SD Card 38 Inserting and removing the SD Card 38 SD Card contents 39 SD Card error messages 40 EZ Scan SDʼs Main Menu 41 V Scanner II Storage System 42 Editing Objects 43 Weather Modes 47 Weather Monitor 47 Weather Priority 47 Dedicated SAME Weather Alert Receiver 48 Skywarn 49 Searching 50 Spectrum Sweepe...

Page 5: ......

Page 6: ...e EZ Scan SD is unlike any other scanner ever produced and we want you to fully understand how it can maximize your enjoyment of the scanning hobby Features Easy to Understand User Interface A simplified keypad and display with familiar Scan Pause Skip and Navigation controls make it easy for you to use your EZ Scan SD The Complete USA RadioReference Database On SD Card The entire USA database fro...

Page 7: ...and receives the traffic Expanded V Scanner II Storage System With the expanded V Scanner II VS II storage system you can use the EZ Scan SD PC application to save up to 200 V Scanner configurations on the SD card which can be recalled at any time in the field using the radioʼs keypad Built in Service Searches Predefined service search ranges make it easy to find activity in your area Audible alar...

Page 8: ...n a circuit different from that to which the receiver is connected This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation Scanning Legally Your scanner covers frequencies used by many differen...

Page 9: ... legal requirement that scanners be manufactured so as to not be easily modifiable to pick up those transmissions Do not open your scanner s case to make any modifications that could allow it to pick up transmissions that are illegal to monitor Doing so could subject you to legal penalties GRE encourages responsible legal scanner use In some areas mobile use of this scanner is unlawful or requires...

Page 10: ... drive The EZ Scan SD Application installer will then start The EZ Scan SD Application installer will install the following components by default The EZ Scan SD PC Application and help files The currently available frequency database library The current USB cable drivers The following install procedure is used to install the software Screen captures of each screen the user may see while installing...

Page 11: ...base library files that are included in the installer package The user must click on the Accept message before they may install the software Check the accept box and then click the Next button to begin the install Setup Type This screen allows the user to limit what options will be installed A complete install will install all parts of the EZ Scan SD package A custom install will allow the user to...

Page 12: ... Folder This screen allows the user to select the destination folder for the application and the USB Cable install The database library files will be installed in the EZScan DB folder located in the user s My Documents folder regardless of this setting Click Next to continue Select Program Folder This screen allows the user to set the name of the folder used to store shortcuts in the Start menu Cl...

Page 13: ...mputer When this process completes click the Next button to continue Completing the Install This is the final screen shown to the user during the install If the option to install the USB Cable drivers was selected a DOS window with the install will be shown briefly while this screen is visible If the Run EZ Scan SD now checkbox is checked the EZ Scan SD Application will be started when the Finish ...

Page 14: ... are provided to help you get familiar with your EZ Scan SD controls and display EZ Scan SD Front View Squelch Control Keypad Speaker PC IF DC Power Jack BNC Antenna Connector Headset Connector Main Power Figure 1 EZ Scan SD front view EZ Scan SD User Manual Page 13 ...

Page 15: ... the EZ Scan SD on and off Press briefly to toggle the backlight on and off SCAN PAUSE SELECT Key The SCAN PAUSE SELECT key II SEL controls EZ Scan SDʼs Scan and Pause modes and is used in menus to select enable or disable options UP Arrow Key The UP Arrow key is used to increase the volume when the EZ Scan SD is scanning or monitoring objects When browsing objects the key scrolls up through objec...

Page 16: ...to resume scanning when the EZ Scan SD is scanning or monitoring objects and is stopped on an active object while scanning without locking out or skipping the object When browsing objects the key scrolls down through the Scanlists When using menus or the Library the navigates backward or out to the previous menu or Library listing or level MENU Key The MENU key provides access to additional functi...

Page 17: ...riods of time Like many modern portable electronic devices the EZ Scan SD exhibits a very low level battery drain when powered off The Main Power Off switch isolates the batteries from the EZ Scan SD completely which will prevent this low level battery drain It is not necessary or recommended to use the Main Power Off switch on a routine basis Most batteries will self discharge long before they ar...

Page 18: ...ery compartment The Battery Type Selection switch is used to select standard disposable alkaline batteries or rechargeable NiMH batteries Setting the Battery Type Selection switch to the correct option for the batteries you are using selects the appropriate low battery detection threshold for the type of batteries in use and enables in radio charging for rechargeable NiMH batteries WARNING ALKALIN...

Page 19: ... best when the gate is set so that it is closed when no transmissions are present but able to open when a transmission occurs The ideal setting for the squelch control is between 11 and 12 oʼclock If you find that you are missing some transmissions try setting the squelch control further counterclockwise If you find that the EZ Scan SD seems to be scanning very slowly or stopping on frequencies wi...

Page 20: ... activity on an enabled object The LCD includes a row of icons at the top that provides information about the status of the EZ Scan SD while monitoring an object Figure 6 provides an example of an individual object display S G II County Police Channel psD Police North Figure 6 EZ Scan SD Channel Object display Display Icons In the Individual Object displays a row of icons at the top of the display...

Page 21: ...charged External power indicator Indicates that the EZ Scan SD is being powered by an external source Present when the EZ Scan SD is connected to external power and Battery Type Selection switch is set to ALKA or when the EZ Scan SD is connected to external power and Battery Type Selection switch is set to NI MH and the charge cycle has completed psD Indicators In the Individual Object displays th...

Page 22: ... more information about the RadioReference database please visit http www radioreference com To use the EZ Scan SD you first browse the Library to find things that you want to monitor We call these things scannable objects or simply objects As you find objects in the Library that you want to add to the collection of objects that your radio will scan you import them from the Library to the EZ Scan ...

Page 23: ...essly prohibited The RadioReference database is developed and maintained by unpaid volunteers who are dedicated scanning hobbyists The accuracy of the Library data is subject to errors in the user submitted data reported to RadioReference and also to the system configuration changes that a radio system operator may make from time to time Field testing the Library data for accuracy is not feasible ...

Page 24: ...or non rechargeable alkaline batteries or NI MH for rechargeable NiMH batteries Insert two AA batteries taking care to ensure that the batteries are inserted according to the polarity diagram shown inside of the battery compartment Replace the battery compartment door by placing it back over the batteries and sliding it upward gently until it locks in place WARNING Never operate the EZ Scan SD wit...

Page 25: ...e the antenna from its protective plastic wrapper Align the slots on the antennaʼs BNC male connector with the posts on the EZ Scan SDʼs BNC female connector and slide the antenna in place then rotate the antennaʼs BNC connector 1 4 turn clockwise until it snaps in place NOTE If desired you may also connect a mobile or base station antenna equipped with a BNC male connector to the antenna connecto...

Page 26: ...To protect your hearing follow these guidelines when you use headphones Insert the headphone plug into the HEADPHONE jack and set the volume to zero before putting on your headphones With the headphones on adjust the volume to a comfortable level Avoid increasing the volume once you set it Over time your sensitivity to a volume level decreases so volume levels that do not cause discomfort might da...

Page 27: ...ntact overhead power lines If the antenna touches a power line touching the antenna mast cable or guy wires can cause electrocution and death Call the power company to remove the antenna DO NOT attempt to do so yourself WARNING Outdoor antennas must be properly grounded to prevent static buildup and lightning damage Article 810 of the National Electrical Code ANSI NFPA 70 provides information abou...

Page 28: ... might provide more comfortable listening Plug the speaker cableʼs 1 8 inch 3 5 mm mini plug into the EZ Scan SDʼs HEADPHONE jack Using AC Power You can power the scanner using an optional AC USB power adaptor and the supplied USB power data cable To power the scanner using an AC USB power adaptor connect the USB plug end of the supplied USB power data cable to the AC USB power adapter and connect...

Page 29: ...can SD from the external power supply To access the PC IF PWR connector use your fingernail or a miniature screwdriver to open the switch cover at the bottom of the cover as shown in Figure 7 To close the cover press it down against the housing until it snaps into place Figure 7 PC IF jack cover WARNING Always use the USB cable included with your EZ Scan SD when connecting your scanner to a comput...

Page 30: ...USB power cable and your vehicleʼs engine is running you might hear electrical noise from the engine while scanning This is normal Some external USB power supplies may generate RF noise that can interfere with the EZ Scan SDʼs reception Browsing the Library Picking Objects and Importing to Scanlists Overview Programming the EZ Scan SD consists of three basic steps and youʼll follow these steps eac...

Page 31: ...s state emergency management agencies highway departments state parks and departments of forestry etc If you wish to explore Agencies for these types of users scroll to Agencies and press the key to proceed to the next step RadioReference uses Counties Cities to group radio systems that are used in a local county or independent city If you wish to explore the radio systems used in counties and ind...

Page 32: ...u system For counties and independent cities there will typically be three options to choose from Agencies Categories and Systems The association of objects with each of these groups depends a lot on how the RadioReference volunteers decide to group the information they submitted to the RadioReference database Youʼll likely find businesses airports attractions authorities and other non governmenta...

Page 33: ...u can continue to browse the Library and pick as many objects for importing to Scanlists as you like We suggest that first time users start out with small groups of picked objects for importing This will ultimately help keep your setup manageable and easy to use Importing Objects to Scanlists This last step in the process is very important as it determines how the objects youʼve picked from the Li...

Page 34: ...or best performance A conventional frequency is nothing more than plain old radio consisting of a single radio frequency that is typically broadcast from a single radio tower or building rooftop radio site When browsing the EZ Scan SDʼs library you will most often find conventional frequencies in the Categories or Agencies sub levels beneath States or Cities Counties Youʼll know youʼve browsed to ...

Page 35: ...e more than one site but they still use the same frequency so there are no special considerations for programming these in the EZ Scan SD On the other hand trunked radio systems consist of one or more discrete sites strategically located throughout the service area of the system to provide the desired level of coverage Each site has its own set of frequencies One type of trunked radio system techn...

Page 36: ... refine your selection Press the key at the System name To view and pick sites scroll to Sites and press the key You can pick every site and let the EZ Scan SD do the work for you finding the best site to use or you can speed things up by selecting the sites that are close to your location To view and pick talkgroups scroll to Categories and press the key and either pick entire Categories to selec...

Page 37: ... and using the EZ Scan SD much easier To name a Scanlist navigate to the Scanlists menu as described above and press the key to edit the name Follow the on screen instructions to change the Scanlist name Monitoring Imported Objects Browsing Scanlists and Objects You can easily browse the objects and Scanlists you have created in the EZ Scan SD Press the MENU key until the Main Menu is displayed Sc...

Page 38: ...ped and you will not receive further transmissions on the object until it is un skipped You can un skip all skipped objects by selecting Restore Skipped from the Main Menu or you can review your skipped objects by browsing the objects in Scanlists and un skip them one at a time by pressing the SKIP key again An objectʼs skip status is indicated by the s character on the right side of the the objec...

Page 39: ...EZ Scan SD PC Application SD Card Your EZ Scan SD ships with a 2 GB SD Card already formatted installed and ready for use You can remove the SD Card from the EZ Scan SD and connect it to your computer where you can access the card with the EZ Scan SD PC Application and update the Library edit the EZ Scan SDʼs configuration and stored objects optimize the card and reformat the card if necessary You...

Page 40: ...E Always use the EZ Scan SD PC Application to format the SD Card to ensure that the card is properly formatted for best performance in the EZ Scan SD SD Card contents The SD Card that the EZ Scan SD uses can be inserted into any SD Card slot on a computer or external SD Card adapter where you can use the EZ Scan SD PC Application to modify the configuration update the Library optimize the card for...

Page 41: ...V Scanner folder number nnn where nnn may range from 001 to 200 DB Contains the Library MTMP Contains various temporary files used by the EZ Scan SD while it is running STMP Contains various temporary files used by the EZ Scan SD while it is running WARNING Modifying these directories or their contents is not recommended and may cause the EZ Scan SD to malfunction or may result in loss of programm...

Page 42: ...ptions are available in the Main Menu Scan Begins scanning of imported objects in enabled Scanlists Use the or II SEL keys to activate Scan mode Browse Objects Enters Scanlist Browse mode which allows you to browse the objects that you have imported into Scanlists Use the or II SEL keys to activate Scanlist Browse mode Scanlists Accesses the Scanlists utility to enable disable or rename Scanlists ...

Page 43: ... Scanner option from the Main Menu then scrolling to the desired VS II configuration using the keys Press the II SEL key to activate the selected VS II configuration Any changes that you have made to the current VS II or default configuration will be automatically saved to the SD Card before the selected VS II configuration is loaded With the EZ Scan SD all V Scanner folder creation and management...

Page 44: ...ress the key to toggle values or proceed to the next step The following options are available in the Object Menu Store SQ code Only appears when the MENU key is pressed while monitoring a conventional channel that is set for CTCSS or DCS search mode Selecting Store sq code stores the value of the found CTCSS or DCS code into the record for the conventional channel and subsequent transmissions must...

Page 45: ...ts with Priority enabled Priority Mode must be enabled from the Main Menu to use the Priority feature Use the II SEL or keys to toggle Priority status Priority status is indicated in the object displayʼs psD indicator p indicates that priority is not enabled for the object and P indicates that priority is enabled for the object Delay Enables or disables delay for the selected object When delay is ...

Page 46: ...is set to Flash Each object uses a 32 step Flash Pattern Each step in the 32 step flash pattern defines whether the backlight is on or off for the durations specified in the On Time and Off Time settings below The 32 step Flash Pattern consists of eight blocks with four steps for each block The Flash Pattern within a four step block is defined using the characters 0 9 and A F Figure 8 illustrates ...

Page 47: ...or Flash Pattern On Time and Off Time When the object is active the LED backlight will flash on and off at a rate of one flash per second with each flash lasting half a second Flash Pattern 88888888 On Time 50 Off Time 50 This combination causes the LED backlight to come on for a half second every two seconds Flash Pattern A8A8A8A8 On Time 1 Off Time 5 This combination creates an interesting strob...

Page 48: ...on the weather frequencies However the included flex antenna is optimized for general purpose scanning If you use this scanner as your only means for receiving weather alerts please check to be sure you are receiving a clear signal on the flex antenna or switch to an external antenna that gives you clear reception of a local NOAA weather broadcast Weather Monitor The EZ Scan SDʼs Weather Monitor m...

Page 49: ... will sound an alarm display the alert type and monitor the alert Up to 10 SAME FIPS location codes can be stored in the EZ Scan SD To use Dedicated SAME Weather Alert Receiver mode first you should program at least one SAME location code for your city county or state With the default factory setup SAME mode will alert on any SAME message received if no SAME location codes are entered A list of SA...

Page 50: ...cated SAME Weather Alert Receiver Mode After you have entered information for one or more SAME locations press the key to activate Weather Monitor mode and select the strongest weather transmitter for your area Press the SKIP key to toggle between SAME Standby and Normal Weather Monitor mode When Standby mode is selected the EZ Scan SD will monitor the selected weather channel for SAME alerts that...

Page 51: ...the Search option Press the key to proceed to the Search menu Scroll to the Spectrum Sweeper option and press the key to proceed to the next menu Select All Bands to perform a Spectrum Sweeper search on all common land mobile radio bands or select Public Safety to perform a faster Spectrum Sweeper search on frequency ranges commonly used for public safety communications The EZ Scan SD will immedia...

Page 52: ... disabled status Special Mode Spectrum Sweeper sweeps through frequency ranges in 1 MHz blocks looking for transmissions from nearby strong signal sources When Special Mode is enabled Spectrum Sweeper will skip any 1 MHz block where you have skipped five or more frequencies using the SKIP key Special Mode is useful when you are close to many high power transmitters that are close together in frequ...

Page 53: ...nt radio services Service Search is a good way for you to receive activity on local frequencies To use Service Search press the MENU key to access the Main Menu then use the key to scroll down to the Search option Press the key to proceed to the Search menu Scroll to the Service Search and press the key to to proceed and select the type of Service Search you wish to perform To block reception of u...

Page 54: ...z 33cm Band 1240 1300 MHz 23cm Band CB Searches the Citizens Band radio frequencies Marine Searches the VHF FM marine radio band FRS GMRS MURS Searches the FRS GMRS MURS DOT and STAR radio frequencies The MENU key can be used while any Service Search is active to set the following parameters Main Menu Navigates to the EZ Scan SDʼs Main Menu Srvc Srch Menu Navigates to the top Service Search Menu C...

Page 55: ...de Use the or keys to change Frequency Ranges For Service Searches that utilize frequency ranges this option allows you to control which ranges are searched The Frequency Ranges option is available in the Public Safety Aircraft and Amateur Radio Service Searches Use the key to enable or disable frequency ranges Limit Search Your EZ Scan SDʼs Limit Search feature allows you to configure a customize...

Page 56: ...the or keys to toggle Zeromatic enabled disabled status Delay Enables or disables delay when using the Limit Search feature When delay is enabled the EZ Scan SD waits for two seconds after a transmission to receive reply traffic before resuming search Use the or keys to toggle delay enabled disabled status Lo Sets the lower frequency for the Limit Search frequency range Press the key then follow t...

Page 57: ...he conventional channel press the MENU key When a CTCSS or DCS code is found by the search feature Store sq code appears as the top menu item Selecting this menu item stores the found CTCSS or DCS code in the record for the conventional channel and once the code is stored the scanner will only stop on transmissions that have a matching CTCSS or DCS squelch code present NOTE The Settings menu Main ...

Page 58: ...he objects you have already programmed to the latest version of the Library data so you never have to worry about missing changes that may be made in the RadioReference data from time to time To use this feature first connect your EZ Scan SD to an external power supply The EZ Scan SD will not begin the Update from Library process unless the radio is connected to an external power source Once the r...

Page 59: ...st reception Attenuator in use on weak signals Check performance with and without attenuator activated use setting with best reception Strong signal overload from nearby transmitter Check performance with and without attenuator activated use setting with best reception Loose or defective antenna Inspect antenna and connectors and correct any problems found Incorrect modulation mode selected Ensure...

Page 60: ...supplied USB cable should be used only when charging the EZ Scan SD upgrading firmware or using the CCDump feature Birdie Frequencies Every scanner has birdie frequencies Birdies are signals created inside the scannerʼs receiver which may interfere with transmissions on the same frequencies If you program a frequency and hear only noise on that frequency it may be a birdie If the interference is n...

Page 61: ...rmal temperature environments Handle the scanner carefully do not drop it Keep the scanner away from dust and dirt and wipe it with a damp cloth occasionally to keep it looking new Service and Repair If your scanner is not performing as it should contact your dealer or GRE America for assistance Modifying or tampering with the scannerʼs internal components can cause a malfunction and might invalid...

Page 62: ...the EZ Scan SD operates with a simplified display that only shows object and Scanlist names To see more information about objects disable this option This option must be unchecked to view detailed frequency talkgroup ID or CTCSS and DCS squelch code information Priority Mode Enables Priority Mode Objects that are with Priority enabled in the Object Menu will be checked more frequently for activity...

Page 63: ...ime the backlight stays on Welcome Text 1 5 Sets the text displayed on five lines of the display when the EZ Scan SD is first turned on Blink Time 1 2 For alternating display elements controls the amount of time each item is displayed Show Radio ID When enabled displays the individual Radio ID if it is available for trunk radio systems that use the Radio ID feature PC IF CCDump When enabled sends ...

Page 64: ...TG Disp Sets the display format for talkgroup IDs EZ Scan SD User Manual Page 63 ...

Page 65: ...z 5 kHz FM 220 0000 224 9950 MHz 5 kHz FM 225 0000 379 999375 MHz 6 25 kHz AM 380 0000 419 987500 MHz 12 5 kHz FM 420 0000 450 000000 MHz 5 kHz FM 450 00625 469 99375 MHz 6 25 kHz FM 470 00000 512 00000 MHz 6 25 kHz FM 764 00000 781 996875 MHz 3 125 kHz FM 791 00000 796 996875 MHz 3 125 kHz FM 806 00000 823 987500 MHz 12 5 kHz FM 849 00000 868 987500 MHz 12 5 kHz FM 894 00000 939 987500 MHz 12 5 k...

Page 66: ...AD UNLESS OTHERWISE NOTED VHF Low 0 2 µV VHF Aircraft 20 dBq AM 0 5 µV VHF High 137 174 MHz 0 3 µV VHF High 216 300 MHz 0 5 µV UHF Low 300 406MHz 0 6 µV UHF UHF T 406 512 MHz 0 4 µV UHF High 764 960 MHz 0 4 µV 1240 1300 MHz 0 5 µV SQUELCH SENSITIVITY BAND CENTER Threshold AM FM 0 5 µV Tight S N N AM 20 dB FM 25 dB SPURIOUS REJECTION VHF High at 154 1 MHz 40 dB Except Primary image SIGNAL TO NOISE ...

Page 67: ...ANTENNA IMPEDANCE 50 Ohms TEMPERATURE RANGE Operate Need not meet spec 10 C 60 C SPEAKER Built in 36 mm 8 Ohms dynamic speaker OPERATING VOLTAGE DC 2 4 Volts AA cell x 2 pcs Ni MH Batteries DC 3 Volts AA cell x 2 pcs ALKALINE Batteries EXT POWER AND CHARGE VOLTAGE USB Power DC 5V 500mA DIMENSIONS Approximately 4 15 16 x 2 5 16 x 1 127 x 60 x 27 mm HWD WEIGHT Approximately 6 7 oz 190g without anten...

Page 68: ...urchase receipt must be supplied or validated Warranty Registration must be on GRE database either by mail or through online when requesting for service Equipment must be sent to GRE America at the owner or dealer s expense and will be returned via surface carrier at no cost to the owner This warranty is strictly limited to the terms indicated herein and no other warranties or remedies thereunder ...

Page 69: ...or the radio communications community RADIOREFERENCE COM IS THE WORLD S LARGEST RADIO COMMUNI CATIONS WEBSITE WITH A COMPLETE FREQUENCY AND TRUNKED RADIO SYSTEM DATABASE COME SEE WHAT FREE SERVICES WE HAVE TO OFFER TO THE COMMUNITY COME SEE WHY WE ARE THE 1 RESOURCE FOR THE RADIO COMMUNICATIONS COMMUNITY t 5IF 3BEJP3FGFSFODF DPN 8FC TFSWJDF UP BMMPX TPGUXBSF BQQMJDBUJPOT UP QSPHSBN B TDBOOFS EJSFD...

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