RFP_AP_xx-26_Scope_-_Appendices.pdf
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- Solicitation number
- RFP AP 69-26
- Issued by
- Okaloosa County, Florida
About this file
This Scope of Work and Appendices document supports the Okaloosa County Board of County Commissioners' RFP for Air Traffic Control Tower Equipment Maintenance services at Destin Executive Airport (DTS) in Destin, Florida. The solicitation requests proposals from qualified firms to provide inspection, maintenance, repair, and replacement services for county-owned communications and weather systems (CWS) located at the Air Traffic Control Tower. Proposers must detail past performance, technical qualifications, and resource capabilities relevant to ATCT equipment maintenance. Annual inspections and preventative maintenance are required at a minimum, with all work to be documented in the on-site CWS documentation system. The scope of work appendices establish the technical requirements, performance standards, and operational protocols that contractors must follow when servicing the tower's communications and weather equipment.
The document outlines the specific technical specifications and maintenance requirements for various CWS components at the facility. Contractors must demonstrate experience with similar airport infrastructure systems and possess appropriate certifications for communications and weather equipment maintenance. The work includes diagnostic testing, preventative maintenance scheduling, emergency repair capabilities, and spare parts availability. Proposals should address the contractor's ability to maintain system uptime, respond to service calls, and ensure compliance with Federal Aviation Administration (FAA) standards applicable to Air Traffic Control Tower equipment and operations.
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Appendix A: DTS ATCT Equipment Periodic Maintenance Tasks
Appendix A DTS ATCT Equipment Periodic Maintenance Tasks Item Description Manufacturer Model # Remarks Yearly Periodic Maintenance Required
Voice Communications Switching System Harris Liberty Star Dual Harris Jackboxes at each position
See Appendix B for instructions. Clean all filters and equipment bodies/chassis. Check ground wire and lugs. Check punchdown connections. Check jackboxes and all cab mounted equipment. Contact manufacturer for firmware updates.
Touch Entry Displays Mintronix MP500M 15" display See Appendix B for instructions. Contact manufacturer for firmware updates.
Main Radio Transmitters Jotron TA-7750 See Appendix C for instructions. Contact manufacturer for firmware updates.
Main Radio Receivers Jotron TR-7750 See Appendix C for instructions. Contact manufacturer for firmware updates.
Tunable Backup Base Station ICOM IC- A110B Clean all filters and equipment bodies/chassis. Check antenna and recorder connections, ground wire and lugs. Check punchdown connections. Contact manufacturer for firmware updates.
Tunable Back-up Hand-Held Transceivers ICOM IC-A6 Clean charging connectors, check frequencies
TACO D-5076 Check connectors, see Appendix C for instructions. Check antenna body for damage and wear.
Polyphaser IS-B50LN-C0 Visually inspect for damage. Check ground lugs and clean, replace if necessary.
Coaxial Antenna Cable Times Microwave LMR-400 Visually inspect for wear and damage. .
Cavity Filters Telewave TWPC-1405-2 Contact manufacturer for firmware updates. Check functionality and frequency range.
Recording System Eventide NexGen Recorder 16 channels, RAID1 System Clean the filter screen. Remove dust off of the system. Contact manufacturer for firmware updates.
Interalia SBX2 Clean all filters and equipment bodies/chassis. Check ground wire and lugs. Check punchdown connections. Contact manufacturer for firmware updates.
Motorola CM-200VT Clean all filters and equipment bodies/chassis. Check antenna and recorder connections, ground wire and lugs. Check punchdown connections. Contact manufacturer for firmware updates.
Wolen, LLC AAIU FAA-Approved Clean unit check connections.Contact manufacturer for firmware updates.
Backup Weather Tower Rohn 45G 30 ft high; same as used for AWOS Visually inspect tower for corrosion to include all connections and at foundation. Inspect foundation for cracks or settlement. Inspect grounding.
VHF Radio Antennas
Airport Terminal Info. System
(ATIS)
Item Description Manufacturer Model # Remarks Yearly Periodic Maintenance Required
Radio Link Teledesign TS4000 FAA Approved UHF radio link Clean and check connections. Verify functionality. Verify frequency as required by the FCC. Contact manufacturer for firmware updates.
Setra Model 370 Verify readings with ASOS. Recalibrate if required. Contact manufacturer for firmware updates.
RM Young Model 61002
Backup Wind Sensor RM Young Model 05103 Check bearings and calibrate speed and direction.
Backup Wind Indicators RM Young Model 06201 Contact manufacturer for firmware updates.
RM Young Model 41382LC Clean and verify function
RM Young Model 43407 Clean and verify function
RM Young Model 46203 Not Specified but required by FAA for Temp and Dewpoint Sensor Clean and verify function
Uninterrupted Power Source Tripp-lite APS2424 Replace batteries on first trip then every two (2) years.
Signal Light Gun PPS SLG LED-based aviation signal light gun offer increased performance and reliability; sold to FAA, US Navy and US Air Force
Verify function and battery life. Verify battery allows full charge.
Headsets Plantronics SHS1890-25 & H31CD 25 ft. cords Check functionality
Handsets Walker PTS-500-OP3-00 Check functionality
Microphones Shure 104-C Check functionality
Administrative Telephones AT&T Model 1040 Check functionality
Traffic Counter Denominator 6 segment Check functionality Binoculars Bushnell 175007 Check functionality
Controller Chairs Domore ESD 3312 Visually inspect for wear and function
GPS Digital Clock Receiver ESE ES-101 Verify sychronization with VCCS, recorder and ATIS. Contact manufacturer for firmware updates.
Digital Clock Dislays ESE LX-993U Contact manufacturer for firmware updates.
Cab Window Shades Solar Screen FAA Spec 2470b Clean per manufacter's recommendations. Check functionality.
Airfield Lighting Control Panel (ALCP) ADB Safegate Contact manufacturer for firmware updates. Check functionality of all lights/NAVAIDs
Backup Altimeter Setting Indicator/Sensor
Backup Temperature and Dewpoint Sensor
Appendix B: VCCS Maintenance Instructions
Frequentis Canada ATM
Maintenance Manual Liberty-STAR 3-1
Chapter 3 Maintenance
3.1 Introduction
This chapter contains information on the maintenance and calibration of the Liberty-STAR 3 and its associated assemblies.
3.2 Preventative Maintenance Procedures
Recommended routine maintenance activities are limited to monthly, semi-annual and annual checks. The LS3 is constantly monitoring its components, including T1/E1 loops, H100 networks, CE and PE hardware modules, 2-wire and 4-wire circuit interfaces and power supplies.
Anomalies are reported at the SMART and an audible alarm can be triggered. Modules employ telltale LEDs to give an immediate visual indication of their status. However, checks must be done periodically to ensure that the system continues to function normally.
System checks:
• Monthly
View SMART fault indicators
Confirm status display of CE module LEDs
Touch Screen cleaning
• Semi-annually
Touch Screen calibration
• Annually
Position Checks
General Housekeeping
3-2 Liberty-STAR Maintenance Manual
3.2.1 Monthly Maintenance Activities
• View SMART fault indicators
• Confirm status display of CE module LEDs
• Touch Screen cleaning
3.2.1.1 View SMART Fault Indicators
• List of tools required
None
• Objectives
To verify that all the monitored components are working properly.
• Preliminary Set Up
If required, logon to the SMART (Maintenance level).
• Procedure
At the bottom of the SMART display, confirm that the following messages are displayed:
“Server is active”
“Connected to COP”
On the Menu bar, select Diagnostics/Status. This opens the Diagnostic Status
Screen. Refresh the diagnostics then confirm that no indicators are red (no fault indications).
• Corrective Action in Case of Failure
Refer to Chapter 5, for the meaning of all of the indicators.
If an indicator is red, clicking on it will open a lower level screen, which will normally provide more detailed information about any problem.
Investigate all indicated faults. Attempt to relate any error indications with known discrepancies, such as a position temporarily out of service, etc.
• Check-out Steps
After any corrective action, confirm that the affected indicator has changed to green.
Maintenance Manual Liberty-STAR 3-3
3.2.1.2 Confirm Status Display of CE Module LEDs
Depending on system size, the Central Equipment (CE) may contain Master Shelves, Master and
Slave Shelves or a Compact Chassis.
Each of the modules in the Central Equipment cabinets has red and green LEDs to indicate the module status. Refer to Chapter 3 for the meaning of each of the module LED meanings.
• List of tools required
None
• Objectives
To verify that the LED indications on the CE modules and ancillary equipment such as channel banks, Aculab, RSS, GPS, clock, recorder, UPS, IP mux, fiber mux or echo canceller, Ethernet switch etc, reflect the state for correct operation of the system.
• Preliminary Set Up
None
• Procedure
On each shelf, confirm that the status lights reflect the operational status of the system. There should not be any red LEDs on during normal system operation.
• Power supply LED
Check that the power supply LEDs are not off or very dim.
• Ancillary Equipment
Check that all indications on the ancillary equipment are in accordance with the correct indications as detailed in the documentation supplied with the equipment.
• Corrective Action in Case of Failure
Relate any error indications to known discrepancies. If for instance a position is turned off, normally two COPs will indicate an alarm by displaying a red External
E1/T1 Link LED, wink, flash or on. This is the correct indication for the known condition. Investigate all unexplained error indications. Refer to Chapter 5.
3.2.1.3 Touch Screen Cleaning
• Activate clean mode on the TED to disable the touch capability.
• Follow the screen manufacturer’s recommended cleaning process.
• Deactivate clean mode on the TED.
3-4 Liberty-STAR Maintenance Manual
3.2.2 Semi-Annual Maintenance
• Touch Screen calibration
It may be necessary to recalibrate the touch screen alignment on a periodic basis especially after a position computer is connected to a different screen. The means of calibrating the screen varies by screen manufacturer and the manufacturer’s calibration procedures should be followed. The procedure below is provided to show the typical type of calibration steps required.
If the screen has been in use, it is recommended to clean it before commencing the calibration. After cleaning, launch the calibration process.
1. Close the TED application.
2. Locate the screen manufacturers calibration utility under the MS Windows environment.
Launch the utility and follow the manufacturer’s instructions.
3. After the calibration restore the TED to service and validate the touch screen operation.
3.2.3 Annual Maintenance Activities
• Position Checks
• General Housekeeping
3.2.3.1 Position Checks
The following procedures will confirm the operation of the major functions of the position. The fact that a position can be put into maintenance mode and a test invoked from the position gives high confidence that the PACs, PAC loop and COPs are working normally.
The position must be put into maintenance mode in order to access the position tests. In maintenance mode, the user cannot activate any position assigned resources unless those resources are also in maintenance mode. The complete detailed procedures for the Position
Function Tests are contained in Chapter 5.
• List of tools required
None
• Objectives
To verify that the positions are available and working properly.
• Preliminary Set Up
If required, logon to the SMART
Place the position under test into maintenance mode.
• Procedure
Maintenance Manual Liberty-STAR 3-5
Run test [04], VOLUME test, to verify that the headset and speaker volume controls are working properly.
Run test [05], SENSE test, to confirm that the insertion of a headset/handset/handmic will be sensed at all jackboxes.
Run test [21], TONE test, to verify the operation of the speaker and the headset/handset at all jackboxes.
Run test [22], MIC test, to verify the operation of the headset/handset/handmic at all jackboxes.
Run test [23], PTT test, to verify the operation of the PTT switches on all headset/handset/handmic and foot switches at all jackboxes.
• Corrective Action in Case of Failure
Refer to Chapter 4, Fault Analysis; each procedure describes a suggested corrective action if the test does not pass.
• Check-out Steps
If a module is replaced because of a failed test, re-run the applicable test.
3.2.3.2 General Housekeeping
• General visual inspection:
On an annual basis conduct a visual inspection of the cabinets and positions to ascertain that the equipment and wiring is in good condition.
• Fan check:
There are a number of fans in the central equipment and ancillary equipment for example; 2U position, Central Equipment cabinet, power supply fan, server and
PCs. On an annual basis check that these are still rotating and are not excessively noisy, and the air inlet is not obstructed.
• Filter and vents clean up:
There are filters and vents in the cabinet doors, 9U CE, 3U CE power supply, 2U positions, servers and PCs, and some ancillary equipment.
On an annual basis, these should be cleaned to remove dust and unwanted objects.
Appendix C: Jotron Radio and Antenna Maintenance
Preventive Maintenance Procedure
TR-77xx with Accessories
Preventive Maintenance Procedure, TR-77xxx v.C
Project name:
Document title:
Preventive Maintenance Procedure
C 04.03.11 Matching with O&I manual Stig Svendsen
B 17.03.10 Issue project Commissioning
Roger Kleppan
A 18.07.09 Issue project Commissioning
Stig Svendsen
Rev Issue Date
Reason for Issue Made by Checked by Approved by
Project no:
Contract no:
Customer Doc.no:
Jotron File Name:
Jotron File no:
LIST OF CONTENTS
Preventive Maintenance Procedure ......................................................................... 1-1 TR-77xx with Accessories ....................................................................................... 1-1 1 List of Abbreviations and Definitions 2 Introduction
3 General
3.1 Long-term benefits of preventive maintenance include:
4 Maintenance Considerations
4.1 Jotron Equipment
4.2 Environment
4.3 Levelling of Operation Hours (Main/Standby systems)
4.4 Logging and Monitoring
5 Preventive Maintenance Schedule
6 Maintenance procedures
6.1 Cleaning
6.2 Environmental Check
6.3 Power Backup Test (if present)
6.4 Parameter Monitoring
6.5 Performance measurement
6.5.1 VHF Receivers
6.5.2 VHF Transmitters
6.5.3 UHF AM Receivers
6.5.4 UHF AM Transmitters
6.6 Frequency Check
6.7 Filter Control
6.8 Standby Radio Test (for Main/standby systems)
6.9 Swap M/S Radio
6.10 Installation Check
7 Supporting documents
8 Appendix
8.1 Preventive Maintenance Log
8.2 VHF Receiver Test Results Form
8.3 VHF Transmitter Test Result Form
8.4 UHF Receiver Test Results Form
8.5 UHF Transmitter Test Results Form
1 List of Abbreviations and Definitions Radio Receiver, Transmitter or transceiver SAT Site Acceptance Test FAT Factory Acceptance Test preFAT Factory Acceptance Test held by Jotron before, or instead of FAT.
BITE Built In Test Equipment UPS Un-interrupted power supply ppm Part per million, used for frequency tolerance.
(ie. 1ppm = 127hz for a 127Mhz frequency) VCCS Voice Communication and Control System
2 Introduction This document is a general description of how to perform preventive maintenance on Jotron equipment. It is not a detailed description on how to perform the various tasks.
As a prerequisite, the maintenance personnel need to be well familiar with the various disciplines that are described here, to use this procedure. The customer is responsible for approving implementation or adaptations of this procedure into their current maintenance and quality system. The procedure requires qualified decisions on several items and should NOT be used without this approval.
3 General Preventive maintenance (PM) is in this procedure:
The care and servicing by personnel for the purpose of maintaining equipment and facilities in satisfactory operating condition by providing for systematic monitoring, inspection, detection, and correction of incipient failures either before they occur or before they develop into major defects.
Preventive maintenance is conducted to keep equipment working and/or extend the life of the equipment. It includes monitoring, tests, measurements, adjustments, and parts replacement, performed specifically to prevent faults from occurring.
While preventive maintenance is generally considered to be worthwhile, there are risks such as equipment failure or human error involved when performing PM, just as in any maintenance operation.
3.1 Long-term benefits of preventive maintenance include:
Reveal aging before faults occur.
Improved system reliability.
Decreased cost of replacement parts.
Decreased system downtime.
Better spares inventory management.
Hands on experience with the equipment
4 Maintenance Considerations
4.1 Jotron Equipment
Jotron wants to underline that the recommended preventive maintenance for the equipment is outlined in the equipment manual. This procedure is made as a suggestion, and service, to organizations that requires a more extensive maintenance program than the one stated in the equipment manual. Your organization is free to implement as much as needed of this procedure or expand it on your own discretion.
Jotron Transceivers and accessories are designed to operate with a high degree of accuracy and reliability over a long period of time. This is obtained by modern design and careful components selection. In general the Jotron equipment does not need very close follow-up and the mean time between failures is high. This leads to a situation where maintenance personnel in general get little hands-on experience with the equipment. Therefore a more extensive maintenance plan that is strictly needed may be implemented to give the personnel regular hands on experience with the equipment.
4.2 Environment
The operating environment is an important factor when it comes to long an unproblematic operation of the equipment, in particular the ambient temperature, in the equipment room temperature, is a critical factor and should preferably be kept below 23 degrees Celsius. The equipment room temperature should be monitored preferably with Alarm on to high temperature.
Dust and humidity should also be controlled to ensure reliable and durable operation of the equipment.
4.3 Levelling of Operation Hours (Main/Standby systems)
If you have a system with a Main and Standby Radio (RX,TX or Transceiver), it will give a prolonged life time on the units to level the operating hour for the Main and Standby radios so that they get approximately the same operating hours during the life span of the radios. This may be obtained by physically switching the location of the Main and Standby radios every one or two years. If you have a VCCS or Audio Remote Control unit (ARC MkII) in your system, you can do the switching from this unit more frequently, preferably during the Standby Radio Test (se below).
4.4 Logging and Monitoring
Logging of performance parameter over time will give vital information of development of potential problems or degrading of the system. Logging is therefore an important that part of the preventive maintenance procedure. If you have installed the RACS software, you will have an online monitoring and logging of your system in respect to Alarms, and it will also give you remote access to Radio BITE for maintenance logging. Performance logs have to be evaluated for deviations and changes regularly.
All systems delivered from Jotron holds a preFAT, FAT or SAT report with information that can be a reference for the maintenance program.
5 Preventive Maintenance Schedule Jotron suggests that the following activities are performed as indicated in the table.
For more details se chapter 6.
Some of the activities during Preventive Maintenance require interference with operation and must be coordinated or made in cooperation with responsible operational personal.
The table is based on a good and stable operations environment. If you have a more demanding environment or there are seasonal or occasional challenges to the environment, you may need to make adaptations to the Preventive Maintenance Schedule.
The customer may, on their own discretion, alter the sequence or interval of the Preventive Maintenance items outlined in the table, to adapt them to the customer’s current maintenance and quality system.
During FAT or SAT there may be established special procedures or tests that are documented in the reports. If this is the case you should implement these FAT/SAT procedures in your maintenance program as well.
Preventive Maintenance Schedule
Equipment
Checks and Intervals
Every 6 moths Every Year Every two years
Radio transceivers Parameter monitoring
Standby Radio Test
Cleaning
Power Backup Test
Performance measurement
Environmental check
Frequency Check (for 8,33kHz channel and 5 carrier offset operations only)
Frequency Check
Swap M/S Radio
Installation check
Filter and Antenna systems
Cleaning
Filter Control
Installation check
Audio/Control units and Accessories
Cleaning
Power Backup Test
Installation check
6 Maintenance procedures
6.1 Cleaning
- Turn OFF the unit.
- Disconnect all plugs.
- Vacuum clean cooling inlets and surfaces.
Note!
Do not over-speed the cooling fans during vacuum cleaning.
- Clean all metal surfaces using a humid rag to remove dirt and dust.
- Clean the knobs and connectors.
- Connect all plugs.
- Turn ON the unit.
Note!
Do not use pressurized air for cleaning as this may damage the equipment and it just moves the dirt around.
6.2 Environmental Check
- Ambient temperature in equipment room (Record)
- Humidity in equipment room
- Dust in equipment room
6.3 Power Backup Test (if present)
- Disconnect AC mains power (ie. trip a circuit breaker) to simulate AC failure.
- Observe operation on batteries/UPS for 5 minutes
6.4 Parameter Monitoring
- Record the following information from the Transmitter BITE:
1. Forward Power (while transmitting).
2. Reflected Power (while transmitting).
3. VSWR (while transmitting).
4. Temperature
- Record the following information from the Receiver BITE:
1. RSSI (while receiving from a reference transmitter).
2. AGC voltage (while receiving from a reference transmitter).
3. LNA current (while receiving from a reference transmitter).
4. Temperature
Note!!
A reference transmitter is an ordinary transmitter that is used for every recording to get a comparable result over time. The Transmitter must be attenuated/de-rated so it does not overflow the receiver RSSI scale.
6.5 Performance measurement
Measure, record and compare performance data in accordance to tables below.
(See “Test Procedure TR-7000 VHF/UHF AM Transceiver” for details)
Use calibrated test equipment for this test/adjustment.
6.5.1 VHF Receivers
Test Test Conditions Tolerance
Sinad 1 KHz, 1 V, 30% modulation, CCITT filter >10 dB
S/N 1 KHz, 100 V, 30% modulation, CCITT filter >40 dB
AF level 1 KHz, 100 V, 90 % modulation, No Filter (50 kHz LP) -10dBm 3dB
Distortion 1 KHz, 100 V, 90 % modulation, No Filter (50 kHz LP) 5 %
Unit VHF RECEIVER Test results Comment
ID
Test Freq [MHz]
Sinad 1 µV [dB]
S/N 100 µV [dB]
AF
Level [dBm]
Distortion
6.5.2 VHF Transmitters
Output power No modulation
VHF: 50 W 1 dB (40 – 63 W)
VHF: 25 W 1 dB (20 – 32 W)
Modulation index -10 dBm, 1kHz 80 %
Distortion -10 dBm, 1kHz 5 %
Frequency deviation No modulation 1 ppm
Unit VHF TRANSMITTER Test results Comment
ID
Test Freq.
[MHz]
Output Power [W]
Mod.
Index
Distortion
Freq.
Deviation [Hz]
6.5.3 UHF AM Receivers
Sinad 1 KHz, 1,5 V, 30% modulation, CCITT filter >10 dB
S/N 1 KHz, 1mV, 30% modulation, CCITT filter >40 dB
AF level 1 KHz, 100 V, 70 % modulation 0 3dBm
Distortion 1 KHz, 100 V, 90 % modulation 5 %
Unit UHF RECEIVER Test results Comment
Freq.
(MHz)
Sinad
1.5 µV (dB)
S/N 1 mV (dB)
AF
Level (dBm)
6.5.4 UHF AM Transmitters
Output power No modulation 25 W 1 dB (20 – 32W)
Modulation index 0 dBm, 1kHz, 80 %
Distortion 0 dBm, 1kHz 5 %
Frequency offset No modulation 1 ppm
Unit UHF TRANSMITTER Test results Comment
Freq.
(MHz)
Output Power (W)
Mod.
Index
Distortion
Freq.
(Hz)
6.6 Frequency Check
Use calibrated test equipment for this test/adjustment.
- Check Receiver frequency accuracy (+/- 1 ppm) on a high, medium and low frequency.
- Adjust LO to exact frequency if necessary (for 77xx radios only).
- Check Transmitter frequency accuracy on a high, medium and low frequency.
- Adjust LO to exact frequency if necessary (for 77xx radios only).
6.7 Filter Control
- Receiver filter:
1. Replace the Receiver with a transmitter.
Note!
If this is a combined system with several receivers, you have to disconnect these receivers and install a 50 ohm load in their place.
2. Measure the output power form the transmitter and compare it with the output power out of the filter.
3. Evaluate the result towards the preFAT, FAT or SAT documentation.
4. Tune the filter if the filter loss has increased.
(See “Tuning procedure for simple filter systems” for more details).
- Transmitter and Transceiver filter:
1. Measure the output power form the transmitter and compare it with the output power trough the filter.
2. Evaluate the result towards the preFAT, FAT or SAT documentation.
3. Tune the filter if the filter loss has increased. (See Tuning procedure for simple filter systems).
6.8 Standby Radio Test (for Main/standby systems)
This test will verify that the automatic switching to the Standby unit is OK
- Force alarm on the Main Radio
- Check that the system switches to the standby radio
- Make a live voice check on the Standby Radio
6.9 Swap M/S Radio
- Swap location of the Main and Standby radio to level operating hours.
- Voice test the radios after swapping them.
Note!!
If you have a VCCS or ARC, you can use the Main/STBY switch on the ARC to swap functions on the M/S radios
6.10 Installation Check
- Inspect cabinet wiring and indoor system cabling for damage or potential damage from animal, water and heat.
- Check the KRONE and other connections for corrosion or damage and lose cables.
- Check all system related components including batteries/UPS, air-conditioning and heating system for damage or potential damage from animal, water, heat, dirt/dust and intrusion.
- Evaluate the operational status of the support systems like batteries, air-conditioning and heating system.
- Check Antennas, connectors, brackets, external cabling and Lightning protectors for corrosion, damage or potential damage from animal, water, heat, dirt/dust, ice and snow.
- Renew Water Proof protection on external connectors.
7 Supporting documents
1. Test Procedure TR-7000 VHF AM Transceiver
2. Test Procedure TR-7000 UHF AM Transceiver
3. Tuning procedure for simple filter systems
Pete Deeks Placed Image
8 Appendix
8.1 Preventive Maintenance Log
Equipment
Check sign-off
Every 6 moths Every Year Every two years
Check Date/Sign. Check Date/Sign. Check Date/Sign.
Radio transceivers
Parameter monitoring
Frequency
Check
Power Backup
Swap M/S Radio
Standby Radio Test
Performance measurement
Installation check
Environmental
Frequency
Check (8,33kHz & 5 carr.)
Filter and Antenna systems
Filter
Control
Audio/Control units and Accessories
Power Backup
8.2 VHF Receiver Test Results Form
Unit VHF RECEIVER Comment
Freq [MHz]
Sinad 1 µV [dB]
S/N 100 µV [dB]
AF
Level [dBm]
8.3 VHF Transmitter Test Result Form
Unit VHF TRANSMITTER Test results Comment
Freq.
[MHz]
Output Power [W]
Mod.
Index
Distortion
Freq.
[Hz]
8.4 UHF Receiver Test Results Form
Unit UHF RECEIVER Test results Comment
Test Freq.
(MHz)
Sinad
1.5 µV (dB)
S/N 1 mV (dB)
AF
Level (dBm)
8.5 UHF Transmitter Test Results Form
Unit UHF TRANSMITTER Test results Comment
Test Freq.
(MHz)
Output Power (W)
Mod.
Index
Distortion
Freq.
(Hz)
| REQUEST FOR QUALIFICATIONS (RFQ) & RESPONDENT’S ACKNOWLEDGEMENT |
| NOTICE TO RESPONDENTS |
| PROPOSAL REQUIREMENTS |
| PROPOSAL #: RFP XXX-AP |
| SCOPE OF WORK |
| SELECTION CRITERIA: |
| Air Traffic Control Tower Equipment Maintenance at the Destin Executive Airport (DTS) |
File details come from the government source that posted it. Updated .