KHF 950/990HF Communications TransceiverPILOT’S GUIDEAND DIRECTORY OF HF SERVICESA
INTRODUCTION KHF 950/990 COMMUNICATIONS TRANSCEIVERHigh frequency (HF) communications made easy, that’s what theKing KHF 950/990 HF SSB Transceiver i
SQUELCH/OPTIONAL SELCALSquelch is set by rotating the larger outer concentric knob (lower left)clockwise until background noise can be heard and then
The KFS 594 MODE selector is the larger outer concentric knob(lower right) which provides access to the USB, LSB and AM modesfor either simplex or sem
1. Access direct tune operation. Set the mode selector to thedesired mode (USB, LSB or AM) and check to see that the display isshowing a flashing zer
CHANNEL OPERATION AND PROGRAMMINGThe 19 pilot programmable channels available with the KFS 594Control Display Unit can be easily programmed by the pil
the channel number you have selected. The procedures are onlyslightly different for simplex and semi-duplex channel programming.SIMPLEX CHANNEL PROGRA
Because this is a simplex channel, simply press the STO button asecond time to store the same frequency in the transmit portion ofmemory.After the STO
transmit on the frequency displayed as long as the dash is flashing toindicate you are in the program mode. (It is possible to change thelast digit (o
CLARIFIERA clarifier function is provided by the KFS 594 which can be used toadjust SSB reception in USB or LSB in the channelized mode ofoperation. T
MARITIME RADIOTELEPHONE NETWORK (PUBLIC CORRE-SPONDENCE) CHANNEL OPERATION As explained earlier, all 245 ITU public correspondence channels inthe mari
Change the other two digits in the channel number using the “cursor”and Frequency/Channel control knob for the second “cursor” positionin the same man
IntroductionKHF 950/990 Pilots GuideRev. 0Dec/96High frequency radio opens a world of communication possibilities tothe pilot and his passengers, incl
KFS 594 OPERATIONAL NOTES: 1. It is necessary to retune the antenna coupler whenever the MODEselector knob is changed from one mode to another. Press
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SECTION IV HF COMMUNICATIONS SERVICES DIRECTORYSERVICES AVAILABLE ON HF RADIOHF radio makes available a variety of communication possibilities tothe
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SECTION V ICAO ENROUTE NETWORKSICAO ENROUTE NETWORKS DESCRIPTION OFSERVICESHigh frequency radio communications are used by aircraft to maintaincontac
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Services5-3KHF 950 Pilots GuideRev. 0Dec/96
SECTION VI ARINCOPERATIONAL CONTROL SERVICESDESCRIPTION OF SERVICESARINC HF SSB Services are handled by Long Distance OperationalControl Facilities (
All other traffic which does not reasonably fall into the AcceptableTraffic category.NOTE: The HF LDOCFs operate exclusively in the upper sideband(USB
or the ground operator may relay the message for the crew, ifdesired.If the signal quality is adequate, the operator will advise the aircraft tostand
SECTION I CHARACTERISTICS OF HF SSB COMMUNICATIONS WITH AUTOMATIC LINK ESTABLISHMENT.ACRONYMS AND DEFINITIONSALE Automatic Link EstablishmentAMD Auto
The ground caller should precede each transmission with an “err” or“uhh” to allow the voice operated relay time to complete its switchingfunction.IMPO
Services6-5KHF 950/990 Pilots GuideRev. 0Dec/96MIAMI(NORTH &SOUTH AMERICA)SAN FRANCISCO(CENTRAL & SOUTH PACIFIC)HONOLULU(CENTRAL, WEST &SO
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SECTION VII ITU MARITIME RADIOTELEPHONE (PUBLIC CORRESPONDENCE) STATIONSDESCRIPTION OF SERVICESA worldwide network of public correspondence stations o
The KCU 951 has 99 pilot programmable channels all of which canbe set for semi-duplex operation. The public correspondence stationsutilize semi-duplex
AT & T COAST STATION COVERAGE MAPCOAST STATION COVERAGE & INFORMATIONThe map above indicates the general areas covered by AT&T’s threecoas
AIRCRAFT REGISTRATIONTo register your aircraft for AT&T High Seas Service call 1-800-752-0279, or you may register by placing a High Seas call, pa
Services7-5KHF 950/990 Pilots GuideRev. 0Dec/96After you give this call, wait for a response. If you don’t hear theshore station within 20 seconds, tr
or home number or any other authorized phone number in the U.S.4. Credit Card Call - the caller indicates that charges will be billed toan AT&T t
COAST STATION KMI-CALIFORNIAAddress:AT&TStation KMIP.O. Box 9Inverness, California 94937For Technical information call: (800) 538-5936 or (415) 66
wave containing the intelligence to be communicated. Both of thesemake HF radio highly useful to aircraft flying over water or desolateland areas whe
COAST STATION WOO - NEW JERSEYAddress:AT&TStation WOOP.O. Box 550, End of Beach AvenueManahawkin, New Jersey 08050For technical information call:
1400 X1600 X1800 X2000 X2200 X XCOAST STATION WOM - FLORIDAAddress:AT&TStation WOM1340 N.W. 40th AvenueFort Lauderdale, Florida 33313For technical
Channels: 403, 802, 1206, 1601 and 2215GMT TRFC WEATHER0300 X0500 X0500 X0700 X0900 X1100 X1300 X X1500 X1700 X1900 X2100 X2300 X XServices7-10KHF 950
MOBILE MARINE RADIO, INC.Mobile Marine Radio, Inc. operates station WLO in Mobile, Alabama.The services provided by WLO and the procedures for utilizi
Traffic ListsTraffic Lists are broadcast on all available WLO channels every houron the hour, or shortly after the hour if the channel is busy on theh
For customers sending messages to aircraft, WLO requires nameand address, telephone number and other necessary information.WLO accepts charge card pay
MARITIME RADIOTELEPHONE CHANNEL DESIGNATIONSServices7-14KHF 950/990 Pilots GuideRev. 0Dec/96Channel Aircraft Receive Aircraft Transmit(400s) (kHz) (k
Services7-15KHF 950/990 Pilots GuideRev. 0Dec/96Channel Aircraft Receive Aircraft Transmit(600s) (kHz) (kHz)601 6501.0 6200.0602 6504.0 6203.0603 6507
*THE AIRCRAFT/SHIP TRANSMIT FREQUENCIES FOR CHAN-NELS 428, 836 and 837 MAY VARY WORLDWIDE. The frequenciesprogrammed into Bendix/King products are tho
Services7-17KHF 950/990 Pilots GuideRev. 0Dec/96Channel Aircraft Receive Aircraft Transmit(1600) (kHz) (kHz)1601 17242.0 16360.01602 17245.0 16363.016
SKYWAVE PROPAGATION - WHICH FREQUENCY TOUSE?As mentioned earlier, HF’s primary method of travel or propagation isvia skywaves which are radio waves th
Services7-18KHF 950/990 Pilots GuideRev. 0Dec/96Channel Aircraft Receive Aircraft Transmit(1800) (kHz) (kHz)1801 19755.0 18780.01802 19758.0 18783.018
Services7-19KHF 950/990 Pilots GuideRev. 0Dec/96Figure 7-11 Maritime Radiotelephone Channel Designations (2200s)2224 22765.0 22069.02225 22768.0 2207
Table 7-13 Maritime RadioTelephone Public Correspondence StationsCOUNTRY NAME OF STATION I.D. CHANNEL NO.ALBANIA DURRES P.T. Radio ZAD 402,805,1206,
Perth Radio VIP 404, 424, 603, 811,1226Rockhampton Radio VIR 424, 603Sydney Radio VIS 405, 417, 424, 603,802, 829, 1203, 1231, 1602, 1610, 2203, 222
Forteleza PPF 819, 821, 828Ilheus Radio PPI 404, 405, 819, 821,824Itajai Radio PPC 404, 405, 819, 821,822Juncao Radio PPJ 404, 409, 419, 819,821,824,
Frobisher Bay Coast VFF 407, 603, 812, Guard Radio 1201, 1634Goose Bay Coast VFZ 408Guard RadioHalifax Coast VCS 413, 418, 605, 823,Guard Radio 1
1201, 1208, 1221, 1230, 1603, 1621, 1632, 2212, 2218, 2221DENMARK Lyngby Radio OYZ 401, 403, 409, 415,418, 420, 421, 424,426, 603, 605, 606,801, 808,
Services7-25KHF 950/990 Pilots GuideRev. 0Dec/96809, 829, 1206, 1209, 1213, 1216, 1224, 1227, 1230, 1606, 1611, 1614, 1615, 1623, 1636, 1638, 2204, 22
GUINEA- Bissau Radio J5M 13, 426, 802, 813,BISSAU 1203, 1615, 1635HONG KONG Cape D’Aguilar Radio 411, 417, 606(Hong Kong Radio)ICELAND Hornafjoerdur
1629, 2203Khark Radio EQQ 410, 604, 1220Khoramshahr Radio EQK 408, 604, 824, 1625, 2205Lavan Radio EQR 420, 604Nowshahr Radio EQO 420, 604Shahpoor Rad
phere. One of the best things the pilot can do to assure the best pos-sible HF communications, based on existing HF propagation condi-tions, is to se
KENYA Mombasa Radio 5ZF 414,822KIRIBATI Tarawa Radio T3T 411, 814(Republic of)KOREA Seoul Radio HLS 401, 419, 602, 605,(Republuic of) 803, 827, 1213,
1222, 1604, 1614, 1621, 2221, 2225, 2238Ciudad del Carmen XFB 404, 413, 421, 606,Campeche Radio 809, 821, 826, 1209, 1221, 1222, 1604, 1614, 1621, 22
Services7-30KHF 950/990 Pilots GuideRev. 0Dec/96Mazatlan, Sinaloa XFL 403, 408, 601, 604,Radio 606, 809, 821, 826,1209, 1221, 1225, 1604, 1621, 2221,
Services7-31KHF 950/990 Pilots GuideRev. 0Dec/96NETHER- Scheveningen PCG 405, 407, 410, 419,LANDS Radio 421, 602, 606, 805,806, 821, 826, 1207, 1213,
Services7-32KHF 950/990 Pilots GuideRev. 0Dec/96PAPUA NEW Port Moresby Radio P2M 409, 417, 604, 805GUINEARabaul Radio P2R 409, 417, 604, 805,1225PHIL
REUNION S. Denis Reunion FFD 404, 418, 819, 824(French Dept.)SAMOA Pago Pago Radio KUQ 408, 806, 1232, (American) 1638SAMOA Apia Radio 5WA 603, 820,
SWEDEN Goteborg Radio SAG 401, 403, 409, 418,420SAB 424, 603, 605, 801,803, 808, 811, 818,825, 827, 829, 1203, 1210, 1211, 1214, 1215, 1217, 1219, 122
1602, 1606, 2206GKV 426, 822, 826, 1224, 1228, 1230, 1623, 2227, 2229GKU 816, 819, 1611, 1615, 1618, 2212, 2220GKW 831, 1232, 1632, 1637, 1640U.S.S.R.
Services7-36KHF 950/990 Pilots GuideRev. 0Dec/961202, 1203, 1229, 1602, 1603, 1624, 2214, 2223, 2228, 2236Fort Lauderdale, WOM 403, 412, 417, 423,Flor
SECTION VIII TIME & FREQUENCY STANDARD BROADCAST STATIONSDESCRIPTION OF SERVICESA worldwide network of high frequency radio stations has beenesta
quencies are likely to be the most effective. The closer a frequency isto the MUF, the better it is likely to be.The effect of solar disturbances incl
Among the services provided by these stations are:• Time Announcements• Geophysical Alerts• Omega Navigation System Status Reports• GPS Status Announc
be considered generally equivalent to the more well known“Greenwich Mean Time” (GMT).The most frequent sounds heard on WWV and WWVH are the puls-es th
During periods of geomagnetic disturbances, the window of usablefrequencies is likely to shift rapidly.As the K index goes up and geomagnetic disturba
siderable difficulty getting through. With few exceptions, the higherthe solar flux and the lower the A and K index values (level of geo-magnetic dist
If there are no warnings in the designated areas, the broadcasts willso indicate.The ocean areas involved are those for which the U.S. has warningresp
TIME AND FREQUENCY STANDARD SERVICESWORLDWIDEWWV and WWVH are two of the stations broadcasting time and fre-quency standard signals around the world.
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SECTION IX VOLMETSVOLMET broadcasts are routine reports of meteorological informa-tion for aircraft in flight. These broadcasts are made on VHF as we
This way you don’t have to page through the list of all ground stationssearching for a reference to the airport for which you want a forecast.Other ag
SECTION X EMERGENCY FREQUENCIESINTERNATIONAL DISTRESS FREQUENCYThe frequency 2182 kHz has been designated as an InternationalDistress Frequency. It i
There are even times when solar disturbances improve the usabilityof higher frequencies in the HF band, particularly in equatorialregions. Another ph
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SECTION XI SHORTWAVE BROADCASTSSHORTWAVE BROADCASTSAt various times the flight crew or passengers may find it desirable tomonitor a shortwave radio b
21570, 21680, 21740Austria Vienna 5945, 6155, 9770,15360, 15410, 15560, 17860, 21575, 21610, 21740Bagladesh Dacca 11765, 15285, 15375, (Radio Banglad
China (Nationalist) Taipei 9600, 9685, 9765, 11725, 11745, 11825, 11860, 15225, 17890Congo Brazzaville 3232, 4765, 15210Costa Rica San Jose 5055, 964
(Radio Deutsche Welle) 6100, 6185, 7130, 7150, 7210, 7225, 7285, 9545, 9565, 9650, 9690, 9700, 9735, 9765, 11765, 11785, 11850, 11905, 11945, 11965 15
11810, 11875, 11925, 15110, 15165, 15190, 15205, 15235, 15335, 15387, 17705, 17875, 21695Indonesia Djakarta 11790, 15200Iran Tehran 9022Iraq Baghdad 9
Monaco Monte Carlo 7105, 7245, 9525, 9640Mozambique Lourenco 3265, 4855, 6005(Radio Mozanbique) MarquesNepal Kathmandu 3424, 5005(Radio Nepal)Nethe
Portugal Lisbon 6025, 9740, 11935, 15340, (Radio Portugal) 17880Romania Bucharest 5990, 7195, 9570, 9690, (Radio Bucharest) 11735, 11790, 11830, 11840
Turkey Ankara 6185, 7170, 9515, 11955, 15135, 17775Uganda Kampala 6030, 9515, 9730, 15325(Uganda Broadcasting Corp.)United States, Red Luion, PA 1518
(Radio Kiev) 7150, 7175, 7215, 7260, 7320, 9580, 9635, 9800, 11600, 12000, 15100, 15240, 15265, 15780, 16190, 17870, USSR Moscow 4860, 5900, 5920, 59
Description1-7KHF 950/990 Pilots GuideRev. 0Dec/96Frequency (kHz)4000 8000 12000 16000Propagation (Miles)Min Max Min Max Min Max Min MaxHours After Su
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SECTION XII MANUAL AND ALE PROGRAMMINGTo use ALE, the databases in both the receiving and transmittingradios must be setup properly. The following
PROGRAMMING FREQUENCYIf the receive and transmit frequency are the same, the communica-tion type is set to R&T. If different receive and transmit
6. Other addresses: All other addresses that this radio calls7. Network slot times: If a star net type of call is to be used then the slot times mus
The table below shows the three data types and the sub-pagesbeneath each.Note: To exit a sub-page press the CLR key.Data TypeMessage There are 10 rece
AMD TRANSMIT MESSAGESAMD transmit messages can be programmed in two ways. Duringnormal operation an AMD message can be programmed on theSEND page. A
CallTime Amount of time the call is transmitted. This must be set longer than the maximum time ittakes for any called radio to go through its scan li
next interval.7. Repeat steps 5 and 6 until all intervals are set properly.8. Move the cursor to the first field “Interval”9. Select “Enables” with
and channel page. There are 23 channel groups available. Eachgroup can contain from 1 to 100 channels. The contents of a channelgroup can be revie
ters depends on the address type. The second lines acts as a win-dow into a list of parameters that must be entered. After the operatormakes an entr
Description1-8KHF 950/990 Pilots GuideRev. 0Dec/96Frequency (kHz)4000 8000 12000 16000Propagation (Miles)Min Max Min Max Min Max Min MaxHours After Su
on the second line.6. Push the VAR knob (PUSH CHAR), to place the cursor into character mode. The CLR key, VAR knob and the CRSR knob can now be use
(TW) which is 130.67 msec. The default response time is 30 andthis should be long enough for all units except those that must perform a tune before t
12. Press the ENT key. The response time is displayed.13. The response time is programmed in intervals of Triple Word (TW) which is 130.67msec. Set
10. Press the ENT key. The associated self is displayed.11. Select the self address to use when calling this address. This is the address that this
Any Call Allows a call to multiple stations without having to know their entire address. The generic type of All Call is “@@?”. This type of address
SECTION XIII APPENDICESAPPENDIX A: GEOPHYSICAL ALERT BROADCASTSVOICE MESSAGE FORMATS FOR GEOPHYSICALALERTS ON WWVA. Solar-terrestrial indices for (mo
(ended at ____UT)C. The forecast for the next 24 hours follows: (includes any of the following)1. (X) Solar activity will be (very low) (low) (moderat
radio bursts or SID observed or expected.Moderate: Eruptive regions on the solar disk; fewer than five class M x-ray events with centimetric radio bur
B.6. Satellite Proton Event: A proton enhancement detected by earth orbiting satellites with a measure flux of at least 10 protons cm-2S-1ster-1at ≥
onds), etc.issued when appropriate.3. Technical notes and other publications of the Time & FrequencyDissemination Group issued when published.Also
INTRODUCTION KHF 950/990 COMMUNICATIONS TRANSCEIVER . . . . . .ISECTION ICHARACTERISTICS OF HF SSB WITH ALE . . . . . . . .1-1ACRONYMS AND DEFINI
WHY SINGLE SIDEBAND IS IMPORTANT IN HFCOMMUNICATIONSAs mentioned earlier, there are two characteristics of HF SSB com-munications which allow long ran
APPENDIX D: FCC APPLICATION FOR AIRCRAFTRADIO STATION LICENSETo legally operate an aircraft radio station on aeronautical enroutefrequencies (128.825
AAlliedSignal, Inc.Commercial Avionics Systems400 North Rogers RoadOlathe, KS USA 66062-1294TELEX 669916 KINGRAD • FAX: 913-791-1302Telephone: 913-768
WARNINGInformation subject to the export control laws. This document, which includesany attachments and exhibits hereto, contains information subject
Description1-10KHF 950/990 Pilots GuideRev. 0Dec/96SINGLE SIDEBAND OPERATIONBy electronically eliminating the carrier wave and one sideband, asingle s
SIMPLEX AND SEMI-DUPLEX OPERATIONThe KHF 950/990 is capable of both simplex and semi-duplex opera-tion.Simplex operation means that communication sign
SCANNING - All available stations continuously and rapidly scantheir receivers through their channels, seeking ALE calls. At anytime, a calling stati
Description1-13KHF 950/990 Pilots GuideRev. 0Dec/96ALE relieves you of the burden of trying to manually detect andcompensate for random changes in the
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SECTION II KHF 950/990 SYSTEM DESCRIPTION.The KHF 950/990 is a solid-state HF single sideband transceiver sys-tem. The KHF 950 system can be controll
Description2-2KHF 950/990 Pilots GuideRev. 0Dec/96DisplayThe display screen is capable of displaying 2 lines of 16(upper or lower case) characters. In
KFS 594 CONTROL DISPLAY UNITThe KFS 594 (Figure 2-2) provides the pilot with access to 19 pro-grammable channels plus a full 280,000 operating frequen
Description2-4KHF 950/990 Pilots GuideRev. 0Dec/961STHFOFFTELAMUSBLSBA3JA3AVOLSQ2236CHMHZKHZKFS 594 inA3J (or A3A)MODEMairitimeradiotelephone ITUchann
Table of ContentsToc-2KHF 950/990 Pilots GuideRev. 0Dec/96SECTION III OPERATING THE KHF 950/990 . . . . . . . . . . . . . . . . . . . . . .3-1KHF
KCU 951 CONTROL DISPLAY UNITThe KCU 951 (Figure 2-4) provides the pilot access to 99 program-mable channels plus a full 280,000 operating frequencies
KHF 950 REMOTE UNITSKAC 952 POWER AMPLIFIER/ANTENNA COUPLERThe KAC 952 Power Amplifier/Antenna Coupler unit (Figure 2-6) ismounted near the HF antenna
KTR 953 RECEIVER/EXITERThe KTR 953 remote unit (Figure 2-6) contains the receiver and theexciter for the KHF 950. The exciter is a transmitter which p
ADDITIONAL KHF 950 INSTALLATION OPTIONSWhile the standard KHF 950 system requires a wire antenna of only10 feet, shorter wire antennas as well as “shu
SINGLE KHF 950 SYSTEM CONFIGURATION (SHUNT ORSHORT WIRE ANTENNAS)Description2-9KHF 950/990 Pilots GuideRev. 0Dec/96KTR 953B*KCU 951 Control Display Un
KHF 990 REMOTE UNITSKAC 992 PROBE/ANTENNA COUPLERThe KAC 992 Probe/Antenna Coupler (Figure 2-9) is a combinedWhip Antenna and Coupler designed to aut
KTR 993 RECEIVER/EXITER/AMPLIFIERThe KTR 993 (Figure 2-10) HF Transceiver contains thereceiver/exciter, RF power amplifier, Lowpass filters, and contr
SINGLE KHF 990 SYSTEM CONFIGURATIONDescription2-12KHF 950/990 Pilots GuideRev. 0Dec/96*KCU 951 Control Display UnitKTR 993Receiver/Exciter/AmplifierKA
SECTION III OPERATING THE KHF 950/990KHF 950/990 GENERAL OPERATING INFORMATIONPREFLIGHT INSPECTIONDuring preflight walk around inspection, it’s impor
CAUTION: When performing a ` radio check on the ground,make certain that all personnel are clear of the HF antennabefore transmitting. SERIOUS RF BURN
ALE MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-18ALE IDLE STATES . . . . . . . . . . . . . . . . . . . . . . . . .
Using the KCU 951 or KFS 594, if the system detects a fault duringtransmission or during the tuning of the antenna coupler, the frequen-cy digits on t
KCU 1051 CONTROL DISPLAY UNIT OPERATIONThis section describes the KCU 1051 Control Display Unit controlsand display. The ALE database is preloaded as
CURSOR (CRSR)The cursor is moved by rotating the CRSR knob (Figure 3-3). Thecursor moves from one field to the next field when in the field cursormod
CLEAR (CLR)The CLR key (Figure 3-5) cancels changes made to the active field orexits a programming page..ENTER (ENT)The ENT key (Figure 3-6) stores ch
MESSAGE (MSG)The MSG key (Figure 3-7) displays the message page where systemmessages, and ALE, digital messages (AMDs) can be reviewed.The MSG key dis
KCU 1051 DISPLAY AND CONTROL OPERATIONThis section describes the user interface to the HF system.This is a brief explanation of the operation of the
Operation3-9KHF 950/990 Pilots GuideRev. 0Dec/96Bold= Cursorable fieldALE scan 100RDUSTOFF6ALE Calling 12TDUSTOFF6ALE Linked 12R1DUSTOFF6ALE MsgRcv 5D
DATA STORE AND RECALL WITH THE CLR AND ENT KEYS.The CLR and ENT keys are used for data entry. The ENT key caus-es the changes made to the field under
example, the sequence can be described as follows:1. The operation / interval page is displayed.2. Move the cursor over the interval value field3. Use
The Message flag is reset when the Message page is viewed. Themessage flag is also reset for AMD messages and Sounds if theENT, CLR, or SCAN key is p
ENABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-34ENABLE AUTOMATIC SOUNDING . . . . . . . . .3-35ENABLE LQA IN CALL . .
COMMON DISPLAY FORMATSThe top line of the display has the format shown (Figure 3-11) below.It is divided into three fields 1) Operation / Mode, 2) S
OPERATION / MODE FIELDThe Operation / Mode field controls which page is displayed. Thereare four top level pages accessible through the Operation / M
LARGE DATA FIELDSArrows on the second line indicate that the data within the field islarger than the display.. For items that are longer than 16 char
In manual operation mode four types of channels are available:• 1 frequency agile• 100 programmable manual channels• 100 ALE channels• 245 fixed ITU
INITIAL MANUAL CHANNELThe initial channel used when changing from ALE to MAN modedepends on the current ALE state. If the ALE state is linked, then t
This display indicates that the unit is in receive on ITU channel 2510.Rx is indicated because the receive and transmit frequencies are dif-ferent.ALE
formed. If the radio is not scanning then a call is performed on theselected channel only.ALE MODE DISPLAYSSSSSSS state .### * channel number ALE ch
ALE IDLE SCANNINGALE IDLE NOT SCANNINGALE CALL IN PROGRESS TO ADDRESS DISPLAYEDON LINE 2The Calling state (Figure 3-19) is initiated by pushing the mi
ALE LINKED TO ADDRESS DISPLAYED ON LINE 2 This state indicates that the radio is linked to another ALE radio. TheALE address listed on the second lin
ALE SOUND RECEIVED FROM ADDRESS DISPLAYED ON LINE 2This state (Figure 3-22) is displayed while receiving sounds. Theradio will remain in this state
KFS 594 CONTROL DISPLAY UNIT OPERATION . . . . . . .3-62KFS 594 CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . .3-62OFF/VOLUME . . .
SEND PAGEThe selections available on the SEND page are: Transmit an AMDmessage, perform a Link Quality Analysis (LQA), or perform a sound.The transmi
SEND SOUND AS PAGE (BROADCAST A SOUND)The cursor can be placed on line two to select the self address tosound as. The sound starts when the ENT ke
SYSTEM TESTThis selection allows the operator to initiate the system test, or Built inTest (Figure 3-28). Pressing ENT starts the test. The test rep
will display the knob or key action on the second line. Pressing CLRtwice will exit the keyboard test.SYSTEM REVNUMThe software revision numbers are
AAAAAAAA * ALE address to review scores for.### * Channel numberT Transmit signal scoresSS SINAD score BB Bit error rateR Received signal scoresCC Com
Program * selection Program ALE database selectionPPPPPPPPPPP * Sub-page Messages, Operation, Channel, Address* Cursorable fieldsThere are four types
PROGRAM MESSAGES The system program page (Figure 3-34) provides access to the mes-sage page. When Message is selected on the system program page,pres
REV RX (REVIEW RECEIVED AMD MESSAGES)The message index can be changed to review all of the receive mes-sages.Messages longer than 16 characters can be
DEL RX (DELETE AMD RECEIVED MESSAGE WITH ALLSELECTED) When “ALL” is selected the second line changes to indicate thatpressing the ENT key will delete
parameter sub-pages. The sub-pages return to this page when theCLR key is pushed to exit the page. The three sub-pages are:• Interval Set intervals•
AT&T HIGH SEAS COAST STATIONS . . . . . . . . . . .7-6A FEW VITAL FACTS . . . . . . . . . . . . . . . . . . . . .7-6COAST STATION KMI-CALIFORNI
IIIIIIIII * Interval type ActvLim, ScnRate, Sound, CallTimeXX * IntervalUUU unit of measure* Cursorable fieldsActivity Limit Time-Out Period (ActvLim)
cycle time of any radio that will be called. The scan cycle time is thelength of time a radio takes to go completely through its scan list.The scan c
Enable Automatic Sounding (NORMALLY DISABLED)(AutoSound)When Sounding is enabled, the system will sound at the time intervalset in the sound interval
Enable Numeric Digit Roll Over (NORMALLY ENABLED) (Roll Over)When enabled digit roll over causes numerical entries to ‘roll over’from minimum to maxim
PROGRAM CHANNELThe system program page (Figure 3-44) provides access to the ALEchannel pages. When ‘Channel’ is selected on the system programpage, p
CHANNEL GROUPS (ChGrp)The Channel Group Page is a Program Channel Sub-Page. Thispage is used to enter or examine the channel groups (Figure 3-46).A c
SCAN-LIST (Scan-List)The Scan-List Page is a Program Channel Sub-Page. This page isused to select the channel group used for the receive scan list.
CLEAR TUNES FROM ALL TUNED CHANNELS (Clear Tunes)The Clear Tunes Page is a Program Channel Sub-Page. This pageis used to mark all stored ALE and Manu
PROGRAM ADDRESSThe system program page provides access to the ALE address page.When ‘Address’ is selected on the system program page, pressingthe ENT
The address types :SELF Address this radio will respond to.SINGLE Address for a single ALE station.StarNET Star network of addresses that must be pro
ALE CHANNEL DATABASE . . . . . . . . . . . . . . .12-7PROGRAMMING ALE CHANNELS . . . . . .12-7PROGRAMMING CHANNEL GROUPS . .12-7PROGRAMMING THE
• Slot Time: Self slot time for responding to network calls.The slot time is the amount of delay, in TWs.(130.67 msec.), before the radio responds wit
ChanGroup:Self ID:Resp Time:Slot## SINGLE ADDRESS ENTRYThe pages below show the entry of a SINGLE type of ALE address.The address is entered on the se
Response TimeThe next field is the response time. This is the amount of time inTWs that the unit will wait for a response, before going on the nextch
The following shows the generic address for the special addresstypes ALLCALL, ANYCALL and WILDCARD. In these types of callsthe “?” character can be r
Received ALE messages are available for review under the ALE_RXselection (Figure 3-59). They are shown in order from the newest tothe oldest message.
KCU 1051 OPERATIONS SUMMARYThe basic operations for the KDC 1051 are HF SETUP, RECEIVEALE CALL, ANSWER ALE CALL, PLACE ALE CALL, PERFORMLINK QUALITY
5. PERFORM LINK QUALITY ANALYSIS (LQA). Set Cursor overOps. field (Figure 3-62) with CRSR knob. Select SEND with VARknob. Select LQA by placing cur
For prestored channelsSet Cursor over channel number with CRSRknob. Select channel with VAR knob.For new frequencySet Cursor over frequency with CRSR
When the KHF 950/990 is first turned on with the KCU 951, and haswarmed up the system “wakes up” and display the last frequencytransmitted if the FREQ
band suppressed carrier mode of emission is not used to transmitSELCAL signals, therefore ARINC HF ground station transmittersswitch to the AM mode wh
This Page Intentionally Left BlankTable of ContentsToc-8KHF 950/990 Pilots GuideRev. 0Dec/96
The MODE button is used to select transmission and receptionmode. Momentary depression of the MODE button cycles the KHF950/990 from upper sideband (U
preset channels by the pilot at any time, on the ground or in flight, toincrease the convenience of frequency selection when HF use isrequired. NOTE:
NOTE: Although normally disabled, the KCU 951 also has the capa-bility of being internally enabled by aircraft wiring so that dial-like“borrow/carry”
CHANNEL OPERATION AND PROGRAMMING 2If channel programming is required, it is necessary to activate theprogram mode once you are in channelized operati
3. Receive only. The pilot programs a frequency in receive, butleaves the transmit portion of the preset channel blank. The transmit-ter is locked ou
1. Stow the “cursor” if a frequency digit is flashing. The cursor isstowed by twisting the larger concentric knob until no frequency digitis flashing
SIMPLEX CHANNEL PROGRAMMINGWhen you program a simplex frequency in a channel, both thereceiver and transmitter will be tuned to the same frequency.Pro
SEMI-DUPLEX CHANNEL PROGRAMMINGSemi-duplex operation uses one frequency for receiving and anotherfor transmitting. The KCU 951 has semi-duplex capabil
6. Press the STO switch again and the transmit frequency is nowstored. These steps can be repeated to program other channels atthis time, or you can
KFS 594 CONTROL DISPLAY UNIT OPERATIONKFS 594 CONTROLSThe controls on the KFS 594 are: OFF/VOLUME knob, SQUELCHknob, MODE selector knob, Frequency/Cha
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