K6620321X70LINEAR AMPLIFIER

HF/50 MHz Linear aMpLiFire VL-2000 Operating Manau L VERTEX STANDARD CO., LTD. 4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan VERTEX STANDARD US Headquarters 10900 Walker Street, Cypress, CA 90630, U.S.A. YAESU UK LTD. Unit 12, Sun Valley Business Park, Winnall Close Winchester, Hampshire, SO23 0LB, U.K. VERTEX STANDARD HK LTD. Unit 1306-1308, 13F., Millennium City 2, 378 Kwun Tong Road, Kwun Tong, Kowloon, Hong Kong VERTEX STANDARD ( AUSTRALIA ) PTY., LTD. Tally Ho Business Park, 10 Wesley Court, East Burwood, VIC, 3151 Contents General Description ...................................................................................................................................................................1 Front Panel Controls & Switches ...............................................................................................................................................2 Rear Panel Connectors & Switches ...........................................................................................................................................4 Installation & Interconnections .................................................................................................................................................6 FTDX9000 Series ...........................................................................................................................................................6 FTDX5000 ......................................................................................................................................................................7 FT-2000/D ......................................................................................................................................................................8 FT-950 .............................................................................................................................................................................9 FT-450/D ......................................................................................................................................................................10 FT-897/D ......................................................................................................................................................................11 FT-857/D .......................................................................................................................................................................12 Multi Connection ..........................................................................................................................................................13 General Transceiver .....................................................................................................................................................14 Operation .................................................................................................................................................................................16 Preparations ..................................................................................................................................................................16 Linear Amplifier Operation..........................................................................................................................................17 Automatic Antenna Tuner Operation ...........................................................................................................................18 SO2R (Single Operator Two Radios) Feature ..............................................................................................................19 ANTENNA DIRECT Feature ......................................................................................................................................19 Trouble Shooting......................................................................................................................................................................20 Specifications ...........................................................................................................................................................................21 1 VL-2000 Operating Manual Congratulations! You are now the owner of the Yaesu VL-2000 Linear Amplifier, which brings you leading-edge technol- ogy for the ultimate in operating convenience and reliability. We appreciate your investment in Yaesu equipment, and wish you many years of satisfying operation using your new amplifier! The VL-2000 is an all-solid-state linear amplifier operating on the 160 through 6 meter amateur bands at a power output level of 1500 Watts on all modes*. The VL-2000 includes a built-in antenna tuner with 470 memories for tuning data, and microprocessor control of the tuning circuitry. The VL-2000 features input jacks for two different exciters, as well as five antenna jacks for connection of antennas for different bands. The separate VP-2000 Power Supply Unit provides the +48 Volts required by the PA transistors, as well as all required control voltages for the amplifier. The VL-2000 normally is powered via 220 Volt AC mains, although it can be operated, at the 500 Watt level, from 120 Volt AC power. We encourage you to read this manual thoroughly before beginning installation and operation of your VL-2000 Linear Amplifier. The details regarding proper installation and operating advice contained in these pages will help you derive maximum satisfaction from your new Yaesu equipment. Be certain to observe all due safety precautions when using this high-power device! General Description Supplied Acce SS orie S Item Quant Ity Antenna Cable (T9101600) ..................................................................................................................................1 Control Cable (T9101599) ...................................................................................................................…

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March 10, 2011 Federal Communications Commission Authorization and Evaluation Division, 7435 Oakland Mills Road Columbia, MD 21046 USA Re: FCC ID: K6620321X70 VL-2000 Gentlemen: Part 15.19 Compliance Statement is placed on the rear of case. Sincerely, Vertex Standard Co., Ltd. Yukimasa Tomita Executive Managing Officer Engineering Division

March 10, 2011 Federal Communications Commission Authorization and Evaluation Division, 7435 Oakland Mills Road Columbia, MD 21046 USA Re: FCC ID: K6620321X70 VL-2000 Gentlemen: A. Part 15.21 Compliance Statement Drawing: B. Part 15.21 Compliance Statement Drawing Location: In OPRETING MANUAL (location on inside ) Sincerely, Vertex Standard Co., Ltd. Yukimasa Tomita Executive Managing Officer Engineering Division 20mm Part 15.21: Changes or modifications to this device not expressly approved by Vertex Standard could void the user’s authorization to operate this device. 95mm

March 10, 2011 Federal Communications Commission EQUIPMENT APPROVAL SERVICES P. O. Box 358315 Pittsburgh, PA 15251-5315 Attention: Authorization and Evaluation Division Reference: FCC ID: K6620321X70 VL-2000 Pursuant to Sections 0.457 (d)(1)(ii) and 0.459 of the Commission’s Rules, the Applicant hereby requires confidential treatment of some of the information accompanying this Application, as listed below: ・ Block Diagram ・ Schematics ・ Circuit Description These materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457 (d)(1)(ii), disclosure of the Application and all accompanying documentation will not be made before the date of Grant for this Application. Sincerely, Vertex Standard Co., Ltd. Yukimasa Tomita Executive Managing Officer Engineering Division

FCC ID:K6620321X70 Vertex Standard Co., Ltd. 1 VL-2000 External Photos View of Front View of Back FCC ID:K6620321X70 Vertex Standard Co., Ltd. 2 View of Top View of Bottom FCC ID:K6620321X70 Vertex Standard Co., Ltd. 3 View of Left View of Right FCC ID:K6620321X70 Vertex Standard Co., Ltd. 4 VP-2000 External Photos View of Front View of Back FCC ID:K6620321X70 Vertex Standard Co., Ltd. 5 View of Top View of Bottom FCC ID:K6620321X70 Vertex Standard Co., Ltd. 6 View of Left View of Right FCC ID:K6620321X70 Vertex Standard Co., Ltd. 7 View of Control Cable (BAND DATA, ALC) View of Power Cable (48 V / 12 V)

VL 2000-VL 2000- LABEL DRAWING Vertex Standard Co., Ltd.VertexStandardCo.,Ltd. ID / Part 15.19 and CAUTION drawings ID drawing Part 15.19 and CAUTION drawings Label location VL 2000- FCC ID: K6620321X70 VERTEX STANDARD COLTD.,. MADE IN JAPAN VL 2000- FCC ID: K6620321X70 VERTEX STANDARD COLTD.,. MADE IN JAPAN VP 2000- VERTEX STANDARD COLTD.,. MADE IN JAPAN VERTEX STANDARD COLTD.,. MADE IN JAPAN 1D000010 1D000001

FCC ID:K6620321X70 Vertex Standard Co., Ltd. 1 VL-2000 Internal Photos View of VL-2000 without TOP COVER View of PA UNIT with Heat sink (Side-A) FCC ID:K6620321X70 Vertex Standard Co., Ltd. 2 View of PA UNIT (Side-B) View of PA UNIT Block FCC ID:K6620321X70 Vertex Standard Co., Ltd. 3 View of ATT UNIT with Shield Case View of ATT UNIT with heat sink (Side-A) FCC ID:K6620321X70 Vertex Standard Co., Ltd. 4 View of ATT UNIT (Side-B) View of COMB UNIT (Side-A) FCC ID:K6620321X70 Vertex Standard Co., Ltd. 5 View of COMB UNIT (Side-B) View of LPF UNIT (Side-A) FCC ID:K6620321X70 Vertex Standard Co., Ltd. 6 LPF UNIT (Side-B) View of LPF / COMB UNIT with Shield Case FCC ID:K6620321X70 Vertex Standard Co., Ltd. 7 View of DET/NETWORK UNIT（Side-A） View of DET/NETWORK UNIT without Shield Cover（Side-A） FCC ID:K6620321X70 Vertex Standard Co., Ltd. 8 View of DET/NETWORK UNIT（Side-B） View of TUNNER CPU UNIT（Side-A） FCC ID:K6620321X70 Vertex Standard Co., Ltd. 9 View of TUNNER CPU UNIT（Side-B） View of NETWORK / TUNNER CPU UNIT with Shield Case (Side-A) FCC ID:K6620321X70 Vertex Standard Co., Ltd. 10 View of NETWORK / TUNNER CPU UNIT with Shield Case (Side-B) View of VL_9TR UNIT（Side-A） FCC ID:K6620321X70 Vertex Standard Co., Ltd. 11 View of VL_ 9TR UNIT（Side-B） View of VL_ 9TR UNIT with Shield Case and ATT UNIT FCC ID:K6620321X70 Vertex Standard Co., Ltd. 12 View of VL_ 9TR UNIT with Shield Case and ATT UNIT View of VL_VDD UNIT（Side-A） FCC ID:K6620321X70 Vertex Standard Co., Ltd. 13 View of VL_VDD UNIT（Side-B） View of VL _CONT UNIT（Side-A） FCC ID:K6620321X70 Vertex Standard Co., Ltd. 14 View of VL _CONT UNIT（Side-B） View of TRX UNIT (Side-A） FCC ID:K6620321X70 Vertex Standard Co., Ltd. 15 View of TRX UNIT (Side-B） View of DISPLAY-UNIT（Side-A） FCC ID:K6620321X70 Vertex Standard Co., Ltd. 16 View of DISPLAY-UNIT （Side-B） 10 KEY-UNIT Side- A Side- B METER SW (ID / VDD) Side- A Side- B FCC ID:K6620321X70 Vertex Standard Co., Ltd. 17 METER SW (PO / SWR) Side- A Side- B METER LED (ID / VDD) Side- A Side- B METER LED (PO / SWR) Side- A Side- B FCC ID:K6620321X70 Vertex Standard Co., Ltd. 18 VP-2000 Internal Photos View of VP-2000 without TOP COVER View of VP_DCCONT UNIT (Side-A) FCC ID:K6620321X70 Vertex Standard Co., Ltd. 19 View of VP_DCCONT UNIT (Side-B) View of TERMINAL UNIT (Side-A) FCC ID:K6620321X70 Vertex Standard Co., Ltd. 20 View of TERMINAL UNIT (Side-B) View of CONNECTOR UNIT (Side-A) FCC ID:K6620321X70 Vertex Standard Co., Ltd. 21 View of CONNECTOR UNIT (Side-B) View of FAN_CTRL UNIT (Side-A) FCC ID:K6620321X70 Vertex Standard Co., Ltd. 22 View of FAN_CTRL UNIT (Side-B) View of VP_SELECT UNIT (Side-A) FCC ID:K6620321X70 Vertex Standard Co., Ltd. 23 View of VP_SELECT UNIT (Side-B) View of POWER SUPPLY UNIT X3 Parallel Connection (48 V) FCC ID:K6620321X70 Vertex Standard Co., Ltd. 24 View of POWER SUPPLY UNIT X 1 (+12 / -12 V)

VERTEX STANDARD CO., LTD, 1 Explanation for VL-2000 / VP-2000 / FT-2000 Sittings (1D000010) Please see to Operating Manual Page 6 Excitation Transceiver FT-2000 Settings (BAND DATA ,EXT ALC and TX REQ Connection) Note: This FT-2000 is AC 120V Operation. VERTEX STANDARD CO., LTD, 2 VL-2000 Normally Connection of Rear Panel BAND DATA to ACC 1 SW SELECT REMOTE ON DIRECT OFF SO2R OFF (ALC 2 VR is minimum Position) Note: Please keep Power ON order operation of VL-2000 ① TX OPERATE SW OFF (VL-2000 Panel) ② POWER SW ON (VL-2000 Panel) VERTEX STANDARD CO., LTD, 3 ALC 1 VR is effective (The setting of pre-set position at Vertex Standard) Note: ALC VR is adjustable for Test. Please refer to Operating Manual Page 16 Please attach a correspond AC plug, Note: The power supply plug please be careful about ground terminal

1 VL-2000/VP-2000 Semi-Conductor Parts ListFCC ID: K6620321X70 VL-2000 Parts Code Device NameDescriptionOty. Val PA-UNIT Q1,Q2,Q3,Q4 FETVRF29338 U1ICTL431C2 U2ICNJM78L08A2 IC51ICLM35DZ2 IC52ICNJM3404AM2 ISO,ISO2,ISO3 PhotoCouplor TLP521-16 Q5Transistor 2SC1815GR2 D1,D2,D3,D4 Diode1S2076A8 D5,D6DiodeSF344 LED1LEDTLRE50T(F)2 RT1THERMISTOR 158-402-830072 U30EEPROM 24LC256-I/STG1 U14,U18ICNJM7805A2 U15,U36ICAD5262BRUZ202 U8ICAD5318ARUZ1 D5,D7,D8Diode1S2076A3 D2,D3,D4,D6,D9,D10,D 12,D13,D14,D15,D16,D 18,D19,D20,D21,D22,D 23,D24,D28,D29 Diode1SS35220 Q1Monolithic AMP ERA-5+1 D1LEDTPL-930B-TB1 U10RS232-IC MAX1406CWE1 U31,U32ICNJU3716M2 U1,U24ICNJU3754V2 U13ICLF347M1 U3,U6,U12 ICNJM2734V3 OPT6Photo-Moss AQZ205D1 OPT4,OPT5 Photo-Moss G3VM351A2 OPT1,OPT2,OPT3 OPT7,OPT8,OPT10 PhotoCouplor TLP621(GR)6 OPT9Photo-Moss G3VM353A1 U7PIC ICPIC12F683-I/P1 U5PIC ICPIC18F8722-I/P1 U11,U16,U17,U19,U20, U21,U23,U26,U27,U28, U37,U39,U40,U41 Transistor RN1101F-TE85L,F14 U38Reset IC TCM809JVLB7131 U33,U34,U35 ICTD62083AFNG3 U4ICTL431CLP1 U2ICTC74VHCT14AF1 U8PIC IC18F8722-I/PT1 U10,U11EEPROM 24LC256-I/ST2 U5ICTA7805AF1 U7ICNJM79L05UA1 U3ICAD5262BRUZ201 U6ICMAX1406CWE1 U1ICLMV324MT1 U12Reset IC TCM809JVLB7131 D1,D2,D3LEDSLP-278B3 U2,U4,U9ICTD62083AF3 CPU-UNIT ATU_CPU UNIT Vertex Standard Co.,Ltd. 2 VL-2000/VP-2000 Semi-Conductor Parts ListFCC ID: K6620321X70 VL-2000 Parts Code Device NameDescriptionOty. Val D17,D18,D19,D20 Diode１N57114 D21,D22Diode1N40022 D1-D8Diode1N40028 U5ICADG451BR1 LP1-LP4LEDGM5BW01300A4 D1,D2,D3,D4,D5,D6,D7 ,D8,D9,D10,D11,D12,D 13,D14,D15,D16,D17,D 18,D19,D20,D21,D22,D 23,D24,D25,D26,D27,D 29 LEDSML-310VTT8628 U11,U12ICRN14232 U6ICNJU3714V1 U3ICNJU3716M1 U2,U4ICNJU3754V2 U1ICNJM3404AV1 D1-D4Diode1N57114 D5-D21Diode1N400219 D1Diode1N40021 D1,D2Diode1N57112 U2ICPIC12F683-I/P1 U1IC７８L051 Q1FET２SJ5041 Q2Transistor 2SC18151 D1-D4DiodeCMS154 D5LEDTPL-930B-TB1 VDD UNIT DISPLAY UNIT 9TR UNIT ATT UNIT COMB UNIT ATU_NETWORK UNIT LPF UNIT Vertex Standard Co.,Ltd. 3 VL-2000/VP-2000 Semi-Conductor Parts ListFCC ID: K6620321X70 VL-2000 Parts Code Device NameDescriptionOty. Val VP-2000 Parts Code Device Name DescriptionOty. VAL DC CONT UNIT U1PIC ICPIC16F88-I/P1 U2IC78L051 U3ICLM35DT1 Q3MOS-FET 2SJ5041 Q4Transistor 2SC18151 QI,Q2,Q6PhotoCouplor TLP521-13 Q5PhotoCouplor TLP521-21 D1,D4,D5,D6,D7,D 8Diode1S2076A6 D3DiodeHZ5C11 D9,D10DiodeCMS152 LED1LEDTPL-930B-TB1 D1Diode1S2076A1 ZNR1VaristorERZV20D4711 U2PIC ICPIC12F683-I/P1 U1IC78L051 U3ICLM35D1 Q1MOS-FET 2SJ5041 Q2Transistor 2SC18151 D1,D2,D3,D4 DiodeCMS153 D4LEDTPL-930B-TB1 SELECT UNIT PWM_FAN_CARL UNIT Vertex Standard Co.,Ltd.

Page 1 of 11 REPORT ON Radio testing of the YAESU VL-2000 In accordance with ANSI/TIA-603, FCCPart 15, FCCPart 97 March 2011Report number TA000981 Vertex Standard Co., Ltd. GENERAL INFORMATION TRANSMITTERS （1000 W @ 50MHz) This report was prepared by Vertex Standard Co., Ltd. Chief Test En gineer En gineering Division T/A Section Vertex Standard Co., Ltd. Report number TA000981Page 2 of 11 48[V] Vertex Standard Co., Ltd. FCC ID: TRADE NAME: HF / 50MHz Liner Amplifie r 1D000010 Drain Current:63[A] POWER OUTPUT RATING: 1.8 1500, 54 VL-2000 K6620321X70 MANUFACTURER: TYPE OF EMISSION: FREQUENCY RANGE: VOLTAGE RQUIREMENTS: SERIAL NUMBER: SPECIFICATION ARE REFERENCED: [MHz] [W] SSB, CW, AM, FM, RTTY [W] [Ω] [Ω] YAESU MODEL NAME: INPUT IMPEDANCE (INPUT): MAXIMUM POWER RATING: EUT DESCRIPTION: DC+48 V, +12 V, -12 V to OUTPUT IMPEDANCE (RF): Drain Voltage: Date 18 / March /2011 Test performed by Shigemitu Takahashi 50 50 3000 ANSI/TIA-603, FCCPart 15, FCCPart 97 Vertex Standard Co., Ltd. Page 3 of 11 11.81.9001.9001500 W 23.53.7503.7501500 W 377.1507.1501500 W 41010.12510.1251500 W 51414.15014.1501500 W 61818.11018.1101500 W 72121.20021.2001500 W 824.524.90024.9001500 W 92829.10029.1001500 W 105052.00052.0001000 W 11 12 13 14 15 16 17 18 19 20 VL-2000 Test Frequncy Settings Power Report number TA000981 Transmit Frequency [MHz] TEST BAND No Receive Frequency [MHz] Glow on BAND LED Vertex Standard Co., Ltd. NAME OF TEST:R.F. Power Output (Conducted) SPECIFICATION: 47 CFR 2.1046 (a), Part 97,313 GUIDE: ANSI/TIA/EIA-603, Paragraph 2.2.1 TEST EQUIPMENT: As per attached page The EUT was connected to a resistive coaxial attenuator of normal load impedance, and the modulated output power was measured by means of an R.F. power meter. Note 1:Input/Output Ratio: Not to exceed 15 dB Note 2:Gain [dB]= 10 log (output power / Input power) Note 3:The amplifier is NOT capable of operation freqences between 26-28MHZ 14.2 Freqency [MHz] 54.0 Output Power [W]Input Power [W] 7.150 MEASUREMENT PROCEDURE 1. 1.900 59.0 13.41485.068.0 Report number TA000981Page 4 of 11 Gain[dB] 1496.014.4 3.75056.01482.0 1486.014.0 1008.010.5 57.01489.014.2 14.15057.01495.014.2 10.125 18.11063.01483.013.7 21.20060.51489.013.9 64.01479.013.6 29.100 MEASUREMENT RESULTS 52.00089.0 24.900 Vertex Standard Co., Ltd. ALC (6)DUMMY LORD BIRD Model-8890 (ser:2099) One year after 2010.10.9 (5) RF DUMMY LORD TESTER (3) TEST SAMPLE- 2011.1.10 VL-2000 / VP-2000 - (3) Test Sample (4) (3) Power Supply TRANSMITTER POWER CONDUCTED MEASUREMENTS TEST 1: R.F. POWER OUTPUT＆GAIN (1) Test Sample (2) (2) POWER METER TOKYO HI-POWER (ser:1004001) ROHDE NRT (ser:102462) (1) ＴEST SAMPLE EXCITER (4) POWER METER Description FT-2000（0G610040） Calibration Date - Instruments (5) Next Calibration - One year after Report number TA000981Page 5 of 11 One year after 2010.4.8 One year after 2010.11.18 BIRD Model-43 (ser:196556) (6) Vertex Standard Co., Ltd. NAME OF TEST:Unwanted Emissions (Conducted) SPECIFICATION: 47 CFR 2.105, FCC Part97.307 GUIDE: ANSI/TIA/EIA-603, Paragraph 2.2.13 TEST EQUIPMENT: As per attached page The emissions were measured for the worst case as follows: (a): within a band of frequencies defined by the carrier frequency. (b): from the lowest frequency generated in the EUT and to at least the 10th harmonic of the carrier frequency, or 40GHz, whichever is lower. The magnitude of spurious emissions that are attenuated more than 20dB below the permissible value need not be specified. MEASUREMENT RESULTS: FREQUENCY OF CARRIER, MHz=1.8 to 50MHz (all amateur BAND) SPECTRUM SEARCHED, GHz=0 to 10 x Fc ALL OTHER EMISSIONS=>= 20dB BELOW LIMIT MEASUREMENT PROCEDURE 3. 1. 2. Report number TA000981Page 6 of 11 Vertex Standard Co., Ltd. ALC One year after One year after (7) COAXUAL ATTENUATOR ROHDE RBU-30 (ser:892) 2011.1.10 - (4)(5)(6) 2010.10.09 Page 7 of 11 (7)(8) TEST 2: OUT-OF-BAND SPURIOUS TRANSMITTER SPURIOUS EMISSION (2) POWER METERBIRD Model-43 (ser:196556) Description (3) Test Sample ROHDE NRT (ser:102462) (3) Power Supply (2) Calibration Date - Next Calibration - 2010.12.20 One year after (6) COAXUAL ATTENUATOR (1) Test Sample (5) COAXUAL ATTENUATOR One year after (1) ＴEST SAMPLE EXCITERFT-2000 （0G610040） - (3) TEST SAMPLEVL-2000 / VP-2000 (4) POWER METER (8) SPECTRUM ANALYZERADVANTEST R3267(ser:95090123) Report number TA000981 Instruments One year after TAMAGAWA CFA-01 BIRD 8329-300 (ser:101401432) 2010.11.12 2010.10.09 2010.10.25 One year after Vertex Standard Co., Ltd. NAME OF TEST:Unwanted Emissions (Conducted) LIMIT's, dBc:Below 30 MHz：-(13+10xLOG(P)) = -44.8 dBc (P=1500 Watts) Above 30 MHz：(50 MHz P=1000 Watts) note: - under -85dB 8th 9th 10th 4th 5th 6th 7th 6th 7th 8th 9th 2nd 3rd 4th 5th 8th 9th 10th 2nd 3rd 4th 5th 6th 7th 8th 4th 5th 6th 7th 9th 10th 2nd 3rd 8th 9th 10th 2nd 3rd 4th 5th 6th 7th 8th 4th 5th 6th 7th 2nd 3rd - Carrier Frequency [MHz] - 33.750 22.500- Emission Frequency[MHz] Spurious Attenuation[dB] 7.500-78.0 - 10.1250 Emission Frequency[MHz] - 50.625- 60.750- 11.250-75.5 15.000- 18.750- 37.500 Spurious Attenuation[dB] 20.250-76.8 30.375-81.7 40.500 Carrier Frequency [MHz] 3.7500 26.250- 30.00015.200- -17.100 13.300- 7.600- 9.500 70.875- 81.000- 91.125- 101.250- Carrier Frequency [MHz] 18.1100 Emission Frequency[MHz] Spurious Attenuation[dB] 36.220-76.1 54.330-75.7 72.440- 90.550- 108.660- 126.770- 144.880- 162.990- 181.100-141.500-10th 127.350- 113.200- 99.050- 84.900- 70.750- 56.600- 42.450-74.4 28.300-65.82nd 3rd 14.1250 71.500- Emission Frequency[MHz] Spurious Attenuation[dB] 10th 57.200- 50.050 Carrier Frequency [MHz] 64.350- - 9th Emission Frequency[MHz] Spurious Attenuation[dB] 42.900- 14.300-80.9 21.450- 28.600- 35.750- Carrier Frequency [MHz] 7.1500 -19.000 -79.8 11.400- 3.800-72.1 5.700-70.8 Carrier Frequency [MHz] 1.9000 Page 8 of 11Report number TA000981 Emission Frequency[MHz] Spurious Attenuation[dB] = -60 dBc Vertex Standard Co., Ltd. LIMIT's, dBc:Below 30 MHz：-(13+10xLOG(P)) = -44.8 dBc (P=1500 Watts) Above 30 MHz：(…

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