ATC-601 Spec Sheet
Avionics
ATC-601
Mode S/A/C Transponder Ramp Test Set
The ATC-601 performs
Mode S/A/C
transponder tests
required by Federal
Aviation Regulations
Accurate measurement of
transponder transmitting frequency,
power and receiver sensitivity
AUTO TEST minimizes test time
Tests include Flight ID, Tail Number
decode and UELM/DELM data link
Non volatile storage for two sets of
test data
Operating range of 0 to 300 feet
from the aircraft under test
Dump test data to printer via RS-232
Built-in self test
LCD display with automatic backlight
Tripod mountable directional antenna
2 hour battery operation
FCC Type Acceptance approved
Two-year limited warranty
ATC-601
The ATC-601 performs the ATC
transponder test required by the revised
Federal Aviation Regulations (91.172 and
Part 43, Appendix F as amended August 18,
1990) for Mode S, A, and C transponders.
The ATC-601 provides a comprehensive
‘AUTO TEST’ function which allows the
operator to verify and certify the operation
of Mode S/A/C transponders with little or
no intervention once the test has been
commanded.
Tests may be individually run for
diagnostic fault finding purposes during
routine maintenance.
The ATC-601 is environmentally
packaged to operate in all weather
conditions and protected against the shock
and vibration encountered during ramp use.
OPERATION
Setup Menu
The set up menus are used to program
parameters for power and sensitivity
measurements, RS-232 parameters, test
data storage, recall and data dump.
Auto Test
The AUTO TEST screen is selected with
the ‘AUTO TEST’ key. When initiated with the
‘RUN/STOP’ key, this test runs through 23
discrete tests in approximately 30 seconds.
If the required operating modes pass,
this completes the ‘Part 43, Appendix F’
requirements.
The detailed results of
individual tests conducted during AUTO
TEST are stored in memory and may be
reviewed by using the ‘SELECT’ keys. Once
selected the test may be initiated by the
‘RUN/STOP’ key, and will continue to run
until the ‘RUN/STOP’ key is pressed again.
ATCRBS Reply Test
Mode S UF0 Test
Mode S UF11 Test
Mode S UF20 Test
Squitter Test
Reply Delay Test
Flight ID Test
http://www.ifrinternational.com
ATC-601
1
ATC-601
Mode S UELM Test
Mode C
P1 to P2
P1 to P3
Mode S
P1 to P2
P1 to P3
Range
0.10 to 4.88 sec
Accuracy
±10 ms
2.00 s (± 50 ns)
21.00 s (± 50 ns)
REPLY DELAY
ATCRBS
Intermode Pulse Spacing
Mode A
P1 to P3 8.00 s (± 50 ns)
P1 to P4 10.00 s (± 50 ns)
Mode C
P1 to P3 21.00 s (± 50 ns)
P1 to P4 23.00 s (± 50 ns)
Power
V2.01/2.1 Firmware
REPLY DELAY
REPLY JITTER
ATCRBS REPLY
SLS LEVEL
ATCRBS ONLY ALL-CALL
MODE S ALL-CALL
INVALID MODE S ADDRESS
SPR ON/OFF
MODE S UF0
MODE S UF4
MODE S UF5
MODE S UF11
MODE S UF16
MODE S UF20
MODE S UF21
SQUITTER
FREQUENCY
DIVERSITY
MTL DIFFERENCE
POWER
FLIGHT ID
UELM
DELM
MODE S AND ATCRBS/MODE S ALL CALL
Range
125.00 to 131.00 µs
Accuracy
±100 ns
DIVERSITY ISOLATION
Range
0 to >20 dB (depending on Antenna range)
Antenna Range
1.83 m (6 feet) to 28.96 m (95 feet)
Accuracy
± 3 dB
General
CALIBRATION INTERVAL
1 year
BATTERY OPERATION
Duration 2 hours before recharge at 25°C
Automatic Shutoff After 15 minutes of non-use
Transition time
≤80 ns
Phase Shift
180 (±10)
AMPLITUDE LEVELS
SLS Level (P2)
-9 dB (±1 dB) and 0 dB relative to P1 level
NOTE: SLS Level is automatically controlled in the
SLS LEVEL Test.
UUT Measurements (replies)
XMTR POWER (AT 1090 MHz)
EFFECTIVE RADIATED POWER (ERP)
Signal Generator
Range
+48.5 to +57 dBm (71 to 500 watts)
Output
1030 MHz DCXO controlled 10 kHz
Level
-57 to -7 dBm typically, into 50 Ω (Automatically
controlled to determine receiver sensitivity [MTL] for
the selected range and 4 dB typically, higher than
MTL for test interrogations)
TEST ANTENNA
Accuracy
±2 dBm
DIRECT CONNECTION - PEAK PULSE POWER
Range
+46.5 to +59 dBm (45 to 800 watts)
Accuracy
1 dB
VSWR
1.5:1
Gain
10 dB typical, specified on the antenna
Range 1.83 meters (6 feet) to 91.44 (300 feet)
Interrogation Test Signals
Rate
235 Hz PRF (±5 Hz)
Interlace Ratio
MTL Interrogations to test interrogations
ATCRBS 2:1
Mode S 8:1
Modes A, C, S, Intermode
NOTE: The ATC-601 Interrogates with the mode(s)
necessary to run selected test.
ATCRBS/Mode S Pulse Spacing
Mode A
P1 to P2 2.00 s (± 50 ns)
P1 to P3 8.00 s (± 50 ns)
Accuracy
±100 ns
PHASE MODULATION
Specification
Pulse Characteristics
Range
1.80 to 7.00 µs
Pulse Widths
Mode A, C, S, Intermode
P1, P2, P3 0.80 s
Mode S
P6 (Short) 16.25 s
P6 (Long) 30.25 s
Intermode
P4 (Short) 0.80 s
P4 (Long) 1.60 s
All Modes
Accuracy ± 50 ns
Rise Time 50 to 100 ns
Fall Time 50 to 200 ns
Individual Tests
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
SQUITTER PERIOD
2.00 s (± 50 ns)
21.00 s (± 50 ns)
AC SUPPLY
103.5 to 129 VAC, 207 to 253 VAC, 47.5 to
420 Hz, ≤+10% of the nominal voltage
30 watts (used to recharge battery)
ENVIRONMENTAL
Temperature
-20 to 55°C
Relative humidity
≤80% for temperatures up to 31°C decreasing
linearly to 50% at 40°C (Non-condensing)
Altitude
≤4000 meters (13,124 feet)
ELECTROMAGNETIC COMPATIBILITY
Complies with the limits in the following standards:
EN 55011 Class B
EN 50082-1
SAFETY
Complies with EN 61010-1 for class 1 portable
equipment and is for use in a pollution degree 2
environment. The instrument is designed to operate
from an installation category 1 or 2 supply.
DIMENSIONS
284 mm (11.2 in) W; 361 mm (14.2 in) D;
279 mm (11 in) H
Resolution
0.1 dB
XMTR FREQUENCY
WEIGHT
13.7 kg (30 lb)AC
Range
1087 to 1093 MHz
Versions and Accessories
Accuracy
50 kHz
When ordering please quote the full ordering
information
Resolution
10 kHz
RECEIVER SENSITIVITY
Direct Connection - Minimum Triggering Level
(MTL)
Range
-67 to -79 dBm
Ordering
Number
601-110
601-110-C
601-220
601-220-C
Accuracy
±2 dB
RADIATED FIELD STRENGTH (MTL)
Range
-69 to -77 dBm into 0 dBm antenna (-77 dB W/m2
to -85 dB W/m2 )
IFR Americas, Inc., 10200 West York Street, Wichita, Kansas
67215-8999, USA. E-mail: info@ifrsys.com
Tel: +1 316 522 4981 Toll Free USA: 1 800 835 2352 Fax: +1 316 522 1360
Versions
ATC-601 Transponder Mode S Ramp Test
Equipment
ATC-601 Transponder Mode S Ramp Test
Equipment with Certificate of Calibration
ATC-601, 220 VAC operation
ATC-601, 220 VAC with Certificate of
Calibration
Accessories (Supplied)
RF Coax Cable
Antenna Shield
Operators Manual
Operators Guide
Line Cord
Directional Antenna
Tripod
Omni-Directional Antenna
IFR Ltd, Longacres House, Norton Green Road, Stevenage, Herts
SG1 2BA, United Kingdom. E-mail: info@ifrinternational.co.uk
Tel: +44 (0) 1438 742200 Freephone UK: 0800 282 388 Fax: +44 (0) 1438 727601
As we are always seeking to improve our products, the information in this document gives only a general indication of the product capacity, performance and suitability, none of which shall form part of any
contract. We reserve the right to make design changes without notice. All trademarks are acknowledged. Parent Company IFR Systems, Inc. © IFR Ltd. 1999.
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ATC-601
http://www.ifrinternational.com
Part no. 46891-032
Revision A
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