Robuta

https://ham-ant.com/antenna/NorCal_W6JJZ_BLT_Tuner NorCal W6JJZ BLT Tuner Design, Diagram & Free Guide C2, C3 140/80 Polycaps with sections in parallel, Be sure to set trimmers to 0., L1 = 16T on T106-2, Tapped E 8T to Ground, L2 = 12T centered around gro... design diagram freenorcalblttunerguide https://ham-ant.com/antenna/Off-Center_Fed_Dipole_for_40m_20m_10m Off-Center Fed Dipole for 40m 20m 10m Design, Diagram & Free Guide The Off-Center Fed Dipole for 40m 20m 10m is a classic half-wave dipole antenna for amateur radio. It provides reliable omnidirectional coverage and is ... design diagram freecenterfeddipoleguide https://ham-ant.com/antenna/ZS6BKW_G5RV_G5RV-junior_G5RV-mini_antenna ZS6BKW G5RV G5RV-junior G5RV-mini antenna Design, Diagram & Free Guide ZS6BKW: 12.20 mtr 450 Ohm ladder line. 2x 13.75 mtr dipole antenna, G5RV: 9.30 mtr 450 Ohm ladder line. 2x 15.55 mtr dipole antenna, G5RV junior: 5.30 m... antenna design diagramjuniorminifreeguide https://ham-ant.com/antenna/9--1_unun_for_random_wire_-_Wire_Length_SWR_Reference_Table 9:1 unun for random wire - Wire Length SWR Reference Table Design, Diagram & Free Guide design diagram freereference tableununrandomwire https://ham-ant.com/antenna/Elongated_Quad-Loop_Antenna_G3BDQ Elongated Quad-Loop Antenna G3BDQ Design, Diagram & Free Guide The Elongated Quad-Loop Antenna G3BDQ is a loop antenna for amateur radio operation. Loop antennas provide directional gain with a compact footprint, ma... design diagram freeelongatedquadloopantenna https://ham-ant.com/antenna/Random_Length_Multiband_Dipoles Random Length Multiband Dipoles Design, Diagram & Free Guide You can also enjoy multiband performance without traps, coils, fans or other schemes. Simply cut two equal lengths of stranded copper wire. These are go... design diagram freerandomlengthmultibandguide https://ham-ant.com/antenna/Cayman_Quad_Antenna_for_20m Cayman Quad Antenna for 20m Design, Diagram & Free Guide Cayman Quad antenna specifically for the 20-meter band. The 'Cayman' likely refers to a particular design variation of a Cubical Quad antenna, possibly ... design diagram freecaymanquadantennaguide https://ham-ant.com/antenna/Tee_Antenna Tee Antenna Design, Diagram & Free Guide The Tee Antenna is a classic wire antenna with a vertical section and horizontal top arms, forming a T shape. It's commonly used for low-frequency trans... antenna design diagramteefreeguide https://ham-ant.com/antenna/Half_Rhombic_Unidirectional_Vertical_for_20m_to_6m Half Rhombic Unidirectional Vertical for 20m to 6m Design, Diagram & Free Guide The Half Rhombic Unidirectional Vertical for 20m to 6m is a vertical antenna for amateur radio providing omnidirectional coverage on 20m, 6m. Low takeof... design diagram freehalfunidirectionalverticalguide https://ham-ant.com/antenna/Modified_G5RV_Antenna_for_160m Modified G5RV Antenna for 160m Design, Diagram & Free Guide The Modified G5RV Antenna for 160m is a G5RV-style multiband dipole antenna covering 160m, 60m. Originally designed by Louis Varney (G5RV), this design ... design diagram freemodifiedantennaguide https://ham-ant.com/antenna/Dual_Band_Ribbon_J-Pole_for_2m_70cm Dual Band Ribbon J-Pole for 2m 70cm Design, Diagram & Free Guide A dual-band J-Pole antenna built with ribbon cable, specifically for simultaneous operation on the 2-meter and 70-centimeter (VHF/UHF) amateur radio ban... design diagram freedual bandribbonpoleguide https://ham-ant.com/antenna/Collinear_Franklin_Antenna Collinear Franklin Antenna Design, Diagram & Free Guide The Collinear Franklin Antenna is a collinear antenna with vertically stacked elements providing high gain in the horizontal plane. Ideal for VHF/UHF re... antenna design diagramcollinearfranklinfreeguide https://ham-ant.com/antenna/Simple_and_best_DX_Antenna_20M_band_G7UNF Simple and best DX Antenna 20M band G7UNF Design, Diagram & Free Guide The Simple and best DX Antenna 20M band G7UNF is an amateur radio antenna design for 20m operation. Refer to the diagram and construction details below ... design diagram freesimplebestdxantenna https://ham-ant.com/antenna/Extended_Folded_Marconi_Antenna_for_160m_to_6m Extended Folded Marconi Antenna for 160m to 6m Design, Diagram & Free Guide The Extended Folded Marconi Antenna for 160m to 6m is a Marconi-style vertical antenna with top loading for improved efficiency. A classic design for 16... design diagram freeextendedfoldedmarconiantenna https://ham-ant.com/antenna/Piggyback_Antenna_for_10m Piggyback Antenna for 10m Design, Diagram & Free Guide The Piggyback Antenna for 10m is an amateur radio antenna design for 10m operation. Refer to the diagram and construction details below for build specif... design diagram freepiggybackantennaguide https://ham-ant.com/antenna/Mini_Folded_Vertical_Monopole_Antenna_for_160m_80m_40m Mini Folded Vertical Monopole Antenna for 160m 80m 40m Design, Diagram & Free Guide A miniature folded vertical monopole antenna designed for multiband operation on 160m, 80m, and 40m. Its 'folded' design allows for a shorter physical h... design diagram freeminifoldedverticalmonopole https://ham-ant.com/antenna/Full-wavelength_Sky_wire_loop_TA4LYL Full-wavelength Sky wire loop TA4LYL Design, Diagram & Free Guide Four-loop antenna or full-wavelength loop antenna, 80-10M, 2:1-Balun, 160-10M, 4:1-Balun design diagram freefullwavelengthskywire https://ham-ant.com/antenna/4--1_versus_9--1_UNUNs_Random_Wire_Antenna_Lengths_VE3EED 4:1 versus 9:1 UNUNs Random Wire Antenna Lengths VE3EED Design, Diagram & Free Guide 4:1-Balun versus 9:1 UNUNs - Which One Should I Use?, 9:1-Balun, The Best Random Wire Antenna Lengths Random wire lengths you should and should not use!... design diagram freeversusrandomwireantenna https://ham-ant.com/antenna/L-Network_Antenna_Tuner_Johnson L-Network Antenna Tuner Johnson Design, Diagram & Free Guide High Z to Low Z, --- L --- C -- GND, High impedance antenna(ps: Long-wire), Low Z to High Z, --- C --- L -- GND, L network antenna tuner could be implem... design diagram freenetworkantennatunerjohnson https://ham-ant.com/antenna/Antenna_Selection_Matrix Antenna Selection Matrix Design, Diagram & Free Guide the 100-foot vertical half-rhombic antenna is the best choice because it provides the highest gain at the required take-off angle., , Ground Wave, Sky W... design diagram freeantennaselectionmatrixguide https://ham-ant.com/antenna/Final_Amplifier_Pi-Network_Tuner_W8EXI Final Amplifier Pi-Network Tuner W8EXI Design, Diagram & Free Guide The Final Amplifier Pi-Network Tuner W8EXI is an antenna tuning unit (ATU) for matching antenna impedance to your transceiver. Supports efficient power ... design diagram freepi networkfinalamplifiertuner https://ham-ant.com/antenna/70MHz_Slim_Jim_constructed_with_450Ohm_Balanced_Feeder_M0UKD 70MHz Slim Jim constructed with 450Ohm Balanced Feeder M0UKD Design, Diagram & Free Guide Here is a working 4m Slim Jim constructed out of 450Ω Ladder line, the stuff with the solid core, Overall Length = 295.1cm, , Solder together at top and... design diagram freeslim jimconstructedbalancedfeeder https://ham-ant.com/antenna/QRP-Matchbox_sym-unsym_10-Watt_Tuner_DK6SX QRP-Matchbox sym-unsym 10-Watt Tuner DK6SX Design, Diagram & Free Guide Balun, TRi. Amidon-Ringkern T80 2. Pilge2° WidgAnz. bei 12. Wag, Versuche zeigten, dass Anpassung bei Z = 3 is 2000 Ohm., Auch bei zusätzl. kap. Belastu... design diagram freeqrpmatchboxsymwatt https://ham-ant.com/antenna/uSDX_micro_Software_Defined_Transceiver uSDX micro Software Defined Transceiver Design, Diagram & Free Guide Digital All Mode 5W Class-E HF transceiver 3.5-54 Mhz, uSDX is a simple and experimental (Class-E driven) SSB and CW SDR transceiver. It can be used to ... design diagram freesoftware definedmicrotransceiverguide https://ham-ant.com/antenna/Quick_Delta_Loop_10mt_onda_completa_Antena_EA1HBX Quick Delta Loop 10mt onda completa Antena EA1HBX Design, Diagram & Free Guide The Quick Delta Loop 10mt onda completa Antena EA1HBX is a delta-shaped full-wave loop antenna. The triangular configuration provides good gain and a lo... design diagram freequickdeltalooponda https://ham-ant.com/antenna/W3EDP_Antenna W3EDP Antenna Design, Diagram & Free Guide ‡ On 20 Meters it is 1.5 wavelengths, ‡ On 40 Meters it is 5/8 wavelength, ‡ On 80 Meters it is slightly less than 3/8 wavelength, , You will need:, ‡ 1... antenna design diagramfreeguide https://ham-ant.com/antenna/swr_indicator_circuit_schematic_PD7MAA swr indicator circuit schematic PD7MAA Design, Diagram & Free Guide swr indicator, A perfect match is indicated by a bright shining LED , suitible for QRP only. Can be mounted in any QRP tuner at the antenna output. design diagram freeswrindicatorcircuitschematic https://ham-ant.com/antenna/Random_Wire_Antenna_All_Bands Random Wire Antenna All Bands Design, Diagram & Free Guide Random Wire Antenna is a non-resonant length of wire used for operation across all amateur radio bands. It requires an antenna tuner and a good ground s... design diagram freerandomwireantennabands https://ham-ant.com/antenna/multiband_end_fed_20.35m-110uH-2.39m_10.1m-34uH-1.85m multiband end fed 20.35m-110uH-2.39m 10.1m-34uH-1.85m Design, Diagram & Free Guide multiband end-fed, Loaded (Inductive Loading), Portable, 80-40-20-15-10m, 20.35m-110uH-2.39m, 40-20-10m, 10.1m-34uH-1.85m, , 110uH coil: 260 turns 1mm. ... design diagram freemultibandendfedguide https://ham-ant.com/antenna/multi_band_WH2T_mini_super_loop_antenna multi band WH2T mini super loop antenna Design, Diagram & Free Guide This antenna works as a Full Wave Loop on 80 Meters and also works as a 2 wavelength open loop or Bi-Square on the 40 Meter band, multiband. The gain is... antenna design diagrammulti bandminisuperloop https://ham-ant.com/antenna/Three-rings_swr_Meter_detector_circuit_schematic Three-rings swr Meter detector circuit schematic Design, Diagram & Free Guide The Three-rings swr Meter detector circuit schematic is an amateur radio antenna design for HF spectrum operation. Refer to the diagram and construction... design diagram freethreeringsswrmeter https://ham-ant.com/antenna/Coax_Loss_Due_to_SWR_at_Antenna Coax Loss Due to SWR at Antenna Design, Diagram & Free Guide The Coax Loss Due to SWR at Antenna is an amateur radio antenna design for HF radio operation operation. Refer to the diagram and construction details b... antenna design diagramcoaxlossdueswr https://ham-ant.com/antenna/Inductance-Loaded_Shortened_Dipole_for_160m Inductance-Loaded Shortened Dipole for 160m Design, Diagram & Free Guide The Inductance-Loaded Shortened Dipole for 160m is a physically shortened dipole using loading coils to achieve electrical resonance. Perfect for 160m, ... design diagram freeinductanceloadedshorteneddipole https://ham-ant.com/antenna/Simple_SWR_Meter_Circuit_Reflectometer Simple SWR Meter Circuit Reflectometer Design, Diagram & Free Guide SWR Reflectometer Bridge Circuit, The circuit for a simple VSWR meter, SWR bridge or reflectometer consists of a few components and can be relatively si... design diagram freesimpleswrmetercircuit https://ham-ant.com/antenna/1--9_VOLTAGE_BALUN_VK6YSF 1:9 VOLTAGE BALUN VK6YSF Design, Diagram & Free Guide The 1:9 balun can be used to connect a balanced or unbalanced feed line to a balanced(ladder line) or unbalanced antenna, but it cannot be used for an u... design diagram freevoltagebalunguide https://ham-ant.com/antenna/Wire_Lengths_For_9--1_Ununs_Feet Wire Lengths For 9:1 Ununs Feet Design, Diagram & Free Guide 9:1-Balun, Recommended wire lengths and typical SWR values for Unun models 9130, 9132, and 9135. It includes a table showing SWR levels for various wire... design diagram freewirelengthsfeetguide https://ham-ant.com/antenna/80m_square_horizontal_Loop_Antenna_80metres_to_10metres 80m square horizontal Loop Antenna 80metres to 10metres Design, Diagram & Free Guide Thanks to Rick, DJ0IP for publishing details of this antenna., provides great gain at higher angles for 80 and 40 metres as well as very good gain 20 me... design diagram freesquarehorizontalloopantenna https://ham-ant.com/antenna/Calculated_Frequencies_of_Tuned_Long-Wire_Antennas Calculated Frequencies of Tuned Long-Wire Antennas Design, Diagram & Free Guide With increasing length, the antenna gain in the longitudinal direction of the antenna wire increases. At the same time, the vertical angle of elevation ... design diagram freecalculatedfrequenciestunedlong https://ham-ant.com/antenna/High_Gain_Rhombic_Antenna_for_70cm High Gain Rhombic Antenna for 70cm Design, Diagram & Free Guide The High Gain Rhombic Antenna for 70cm is a rhombic antenna — a large, diamond-shaped directional antenna providing high gain over a wide frequency rang... design diagram freehighgainantennaguide https://ham-ant.com/antenna/G5RV_vs_ZS6BKW_SWR_Summary_and_Conclusions G5RV vs ZS6BKW SWR Summary and Conclusions Design, Diagram & Free Guide zs6bkw vs g5rv, The only band where the G5RV has good SWR is on 20M., The G5RV has a better match on 80M due to its longer length., The ZS6BKW has a lar... design diagram freevsswrsummaryconclusions https://ham-ant.com/antenna/100-ft_Coax_Loss_Due_to_Frequency 100-ft Coax Loss Due to Frequency Design, Diagram & Free Guide 100Ft(30.48M) Coax Loss Due to Frequency, 8,8A,10A,213, 9913.9086.9096, LMR-400, 100ft=30.48M, RG/UCABLE, Frequency In Megahertz, LMR-240, LMR-600, LMR-... design diagram freeftcoaxlossdue https://ham-ant.com/antenna/T-tuner_circuit_schematic T-tuner circuit schematic Design, Diagram & Free Guide in order to minimize the need to retune and maximize the power rating of a tuner, it is necessary to tune or match with the minimum possible operating q... design diagram freetunercircuitschematicguide https://ham-ant.com/antenna/Antennes_LIVRE_F5AD_X_Quad Antennes LIVRE F5AD X Quad Design, Diagram & Free Guide The Antennes LIVRE F5AD X Quad is a quad antenna with loop elements mounted on a cross-shaped boom. Provides higher gain per element than a Yagi with a ... design diagram freeantenneslivrequadguide https://ham-ant.com/antenna/Trap_Quarter-Wave_Antenna_for_160m_80m_40m Trap Quarter-Wave Antenna for 160m 80m 40m Design, Diagram & Free Guide The Trap Quarter-Wave Antenna for 160m 80m 40m uses resonant trap circuits to isolate antenna sections for multiband operation. Covers 160m, 40m, 60m ef... design diagram freetrapquarterwaveantenna https://ham-ant.com/antenna/Moxon_for_28MHz_SM0DTK Moxon for 28MHz SM0DTK Design, Diagram & Free Guide This antenna is very smal but works very fine. The 1 mm insulated wire is inside the fishing rods. Excellent front to back and gain is nice for such a s... design diagram freemoxonguide https://ham-ant.com/antenna/EndFed_Random_Wire_EFRW-Antenna_1--9_balun EndFed Random Wire EFRW-Antenna 1:9 balun Design, Diagram & Free Guide The specificity of Long wire antenna using a 1:9 Transformer(9:1-Balun) is mostly:, The antenna is not resonant and working in aperiodic way , means hav... design diagram freerandomwireantennabalun https://ham-ant.com/antenna/4--1_Balun_Transformer_G4NSJ 4:1 Balun Transformer G4NSJ Design, Diagram & Free Guide The 4:1 Balun Transformer G4NSJ provides impedance matching and common-mode current suppression for antenna systems. Essential for connecting balanced a... design diagram freebaluntransformerguide https://ham-ant.com/antenna/Wall_Loop_20m_PD7MAA Wall Loop 20m PD7MAA Design, Diagram & Free Guide This max size open loop antenna for 14 MHz with a totall circumference of 6m. (19.68 feet) is designed to attach to a wall . Not sutable for reenforced... design diagram freewallloopguide https://ham-ant.com/antenna/Vertical_Rhombic_Antenna Vertical Rhombic Antenna Design, Diagram & Free Guide The Vertical Rhombic Antenna is a vertical antenna for amateur radio providing omnidirectional coverage on HF radio operation. Low takeoff angle makes i... antenna design diagramverticalfreeguide https://ham-ant.com/antenna/DK7ZB_MTFT-UnUn_4--1_9--1_16--1 DK7ZB MTFT-UnUn 4:1 9:1 16:1 Design, Diagram & Free Guide The DK7ZB MTFT-UnUn 4:1 9:1 16:1 provides impedance matching and common-mode current suppression for antenna systems. Essential for connecting balanced ... design diagram freeununguide https://ham-ant.com/antenna/Dutch_sloper_PD7MAA_6.5m-6.5m_40m_20m_7m_12m-10m Dutch sloper PD7MAA 6.5m-6.5m 40m 20m 7m 12m-10m Design, Diagram & Free Guide The Dutch sloper PD7MAA 6.5m-6.5m 40m 20m 7m 12m-10m is a sloper antenna — a wire antenna sloping downward from a single elevated support point. Provide... design diagram freedutchguide https://ham-ant.com/antenna/G7FEK_Limited_Space_46-ft_multi_band_Antenna_80m_40m_30m_17m_15m_12m G7FEK Limited Space 46-ft multi band Antenna 80m 40m 30m 17m 15m 12m Design, Diagram & Free Guide A 46 ft multiband antenna for small gardens that works well on 80 meters, Portable, Main bands (@~50 ohm) are 80m / 40m / 30m / 17m / 15m / 12m, Other b... design diagram freemulti bandlimitedspaceft https://ham-ant.com/antenna/G7UNF_9--1_Transformer_450-500ohm G7UNF 9:1 Transformer 450-500ohm Design, Diagram & Free Guide The G7UNF 9:1 Transformer 450-500ohm is an amateur radio antenna design for various HF bands operation. Refer to the diagram and construction details be... design diagram freetransformerguide https://ham-ant.com/antenna/Wire_Lengths_For_9--1_Ununs_Meter Wire Lengths For 9:1 Ununs Meter Design, Diagram & Free Guide 9:1-Balun, Recommended wire lengths and typical SWR values for Unun models 9130, 9132, and 9135. It includes a table showing SWR levels for various wire... design diagram freewirelengthsmeterguide https://ham-ant.com/antenna/Short_Top_Band_160m_Antenna Short Top Band 160m Antenna Design, Diagram & Free Guide C1: 2X 300 Pf, 2kV, split stator capacitor, 2mm (5/64 in.) plate spacing. Used in series results in 150 pF, 4kV. , , L1: 53 uH, 47 turns of well ins... antenna design diagramshorttopbandfree https://ham-ant.com/antenna/End-Fed_Half_Wave_Antenna_Coupler_EFHW End-Fed Half Wave Antenna Coupler EFHW Design, Diagram & Free Guide A dipole can be fed anywhere along its length. A centre feed gives around 70Ω. A ‘Windom’ type off centre fed dipole (fed 38% along its length) provides... design diagram freeendfedhalfwave https://ham-ant.com/antenna/VHF-2m-band_Moxon_beam_antenna_backpack_foldable VHF-2m-band Moxon beam antenna backpack foldable Design, Diagram & Free Guide Work in progress - Changelog:, 2019-06-20: Recent tests: Use a slightly thicker wire (1 mm²) for better bandwidth and easier tuning, 2019-05-05: Slightl... design diagram freevhfbandmoxonbeam https://ham-ant.com/antenna/2_turns_Windom_balun_for_kW_range_OH7SV 2 turns Windom balun for kW range OH7SV Design, Diagram & Free Guide Surplus ferrite rod from OH7XE, AL=47nH/tum, I=160mm. d=9mm, 2 x 20 turns. 1mm cu parallel winding design diagram freeturnswindombalunkw https://ham-ant.com/antenna/Broadband_Antenna_Quarter-Wave_Balun_for_80m Broadband Antenna Quarter-Wave Balun for 80m Design, Diagram & Free Guide broadband antenna for the 80-meter band, specifically designed to work with an L-4 balun. The L-4 balun is likely a specialized, high-power, broadband i... design diagram freebroadbandantennaquarterwave https://ham-ant.com/antenna/Dual_Band_Dipole_Antenna_for_17m_10m Dual Band Dipole Antenna for 17m 10m Design, Diagram & Free Guide The Dual Band Dipole Antenna for 17m 10m is a classic half-wave dipole antenna for amateur radio. It provides reliable omnidirectional coverage and is i... design diagram freedual banddipole antennaguide https://ham-ant.com/antenna/Three-wire_winding_1--1_Balun_FT-50-43 Three-wire winding 1:1 Balun FT-50-43 Design, Diagram & Free Guide 1:1-Balun, FT-50-43, Coaxial 2310, , SWR: 500KHz-120MHz, 1.1, 145Mhz, 1.2, 200MHz, 1.5 design diagram freethreewirewindingbalun https://ham-ant.com/antenna/G7UNF_Limited_space_Antenna_for_40m-30m-20m G7UNF Limited space Antenna for 40m-30m-20m Design, Diagram & Free Guide The G7UNF Limited space Antenna for 40m-30m-20m is an amateur radio antenna design for 20m, 30m, 40m operation. Refer to the diagram and construction de... design diagram freelimitedspaceantennaguide https://ham-ant.com/antenna/GAWANT-7_for_7-14MHz_Shinagawa_Antenna GAWANT-7 for 7-14MHz Shinagawa Antenna Design, Diagram & Free Guide The GAWANT-7 for 7-14MHz Shinagawa Antenna is an amateur radio antenna design for 14m operation. Refer to the diagram and construction details below for... antenna design diagramshinagawafreeguide https://ham-ant.com/antenna/Compact_Moxon_antenna_for_10MHz_7dB-gain_SM0DTK Compact Moxon antenna for 10MHz 7dB-gain SM0DTK Design, Diagram & Free Guide This antenna only needs 2 trees or masts to be hanged up in the air. It works nice with about 7 dB gain and 15 dB F/B hanging 12 meters above ground. Mo... design diagram freecompactmoxonantennagain https://ham-ant.com/antenna/Portable_QRP_L-tuner_WB3GCK Portable QRP L-tuner WB3GCK Design, Diagram & Free Guide A Simple and Flexible Tuner for QRP, L-network antenna tuner, Homemade, For portable QRP work, I often use either an end-fed half-wavelength wire or a q... design diagram freeportableqrptunerguide https://ham-ant.com/antenna/G7UNF_SIMPLE_ANTENNA_TUNER G7UNF SIMPLE ANTENNA TUNER Design, Diagram & Free Guide The G7UNF SIMPLE ANTENNA TUNER is an antenna tuning unit (ATU) for matching antenna impedance to your transceiver. Supports efficient power transfer acr... design diagram freesimpleantennatunerguide https://ham-ant.com/antenna/HF_multi_band_DELTA_LOOP_balun_2-1_I6IBE HF multi band DELTA LOOP balun 2-1 I6IBE Design, Diagram & Free Guide 20-30 low angle of radion for DX, 2:1-Balun, 1:2 Balun Per antenna, multiband DELTA-LOOP design diagram freemulti bandhfdeltaloop https://ham-ant.com/antenna/Tri-band_Delta_Loop_Antenna_for_80m_-_40m_-_30m Tri-band Delta Loop Antenna for 80m - 40m - 30m Design, Diagram & Free Guide The Tri-band Delta Loop Antenna for 80m - 40m - 30m is a delta-shaped full-wave loop antenna. The triangular configuration provides good gain and a low ... design diagram freetribanddeltaloop https://ham-ant.com/antenna/T-mag_Antenna_PD7MAA T-mag Antenna PD7MAA Design, Diagram & Free Guide The T-mag Antenna PD7MAA is an amateur radio antenna design for 7m operation. Refer to the diagram and construction details below for build specificatio... design diagram freemagantennaguide https://ham-ant.com/antenna/Additional_Coax_Loss_Due_to_SWR Additional Coax Loss Due to SWR Design, Diagram & Free Guide Additional loss caused by standing waves. Find the line loss when perfectly matched in the vertical column; read across for the actua SWR. Find the figu... design diagram freeadditionalcoaxlossdue https://ham-ant.com/antenna/Resonant_Lengths_of_Long_Wire_Antennas_vs_Frequency Resonant Lengths of Long Wire Antennas vs Frequency Design, Diagram & Free Guide Long wire Antenna Length vs Frequency, Random Wire Antennas, Scatter graph of wire lengths 'L' in metres to be avoided based on multiples of 1/2 wave le... design diagram freeresonantlengthslongwire https://ham-ant.com/antenna/MFJ-902-902H_Travel_Tuner_SCHEMATIC MFJ-902-902H Travel Tuner SCHEMATIC Design, Diagram & Free Guide T-Tuner, T-NETWORK TUNERS, Balanced line, Ladder line, operate 80 through 10 Meters, anywhere with any transceiver, use any coax fed or random wire ante... design diagram freemfjtraveltunerschematic https://ham-ant.com/antenna/Very_Restricted_Space_Antenna_for_80m Very Restricted Space Antenna for 80m Design, Diagram & Free Guide The Very Restricted Space Antenna for 80m is an amateur radio antenna design for 80m operation. Refer to the diagram and construction details below for ... design diagram freerestrictedspaceantennaguide https://ham-ant.com/antenna/ZS6BKW_Other_versions_Antennas ZS6BKW Other versions Antennas Design, Diagram & Free Guide with a 450 Ohm type. The final ZS6BKW antenna is a 2 × 13.75 m dipole fed with a 12.2 m long 450 Ohm ribbon line. The feeding point here is also 50 Ohm.... design diagram freeversionsantennasguide https://ham-ant.com/antenna/Pi-Network_Antenna_Tuner_Johnson Pi-Network Antenna Tuner Johnson Design, Diagram & Free Guide As the name implies, the Pi network antenna tuner circuit resembles the Greek letter π. It is similar to the Pi tank used in vacuum tube radio in yester... design diagram freepi networkantennatunerjohnson https://ham-ant.com/antenna/6m_MOXON_type_antenna_YU1QT_gain-10.2dBi 6m MOXON type antenna YU1QT gain-10.2dBi Design, Diagram & Free Guide 6m MOXON type antenna made by Andra YU1OT, Wire 1,5mm sq, Copper PVC coated, Portable, SWR is 1.03, free space gain is from 10.2dBi, , DIMENSION's in m,... design diagram freemoxontypeantennagain https://ham-ant.com/antenna/Pacific_Antenna_Mini_SWR_Indicator_circuit_schematic Pacific Antenna Mini SWR Indicator circuit schematic Design, Diagram & Free Guide QRP, Homemade, Mini SWR Indicator visually shows the match between an antenna and transmitter. Simply adjust your antenna or tuner for the minimum LED b... design diagram freepacificantennaminiswr https://ham-ant.com/antenna/mini_Z-Match_tuner_circuit_schematic_PD7MAA mini Z-Match tuner circuit schematic PD7MAA Design, Diagram & Free Guide The QRP 160-6 m. mini Z-Match with a T130-2 toroid in a matal cabinet. Polyvaricons are used for tuning within qrp limits. By switching a 270-500 pF ca... design diagram freeminimatchtunercircuit https://ham-ant.com/antenna/Proposed_G7FEK_Variant_by_Jouko-OH5RM Proposed G7FEK Variant by Jouko-OH5RM Design, Diagram & Free Guide In this modification Juko has used a shorted ¼ wave stub to isolate the vertical section at 10Mhz. This converts the operation from a horizontal Zepp st... design diagram freeproposedvariantguide https://ham-ant.com/antenna/Understanding_Difference_4--1_baluns_vs_4--1_ununs Understanding Difference 4:1 baluns vs 4:1 ununs Design, Diagram & Free Guide The Understanding Difference 4:1 baluns vs 4:1 ununs provides impedance matching and common-mode current suppression for antenna systems. Essential for ... design diagram freeunderstandingdifferencevsguide https://ham-ant.com/antenna/Indoor_Magnetic_Loop_Antenna_for_30m_to_6m Indoor Magnetic Loop Antenna for 30m to 6m Design, Diagram & Free Guide The Indoor Magnetic Loop Antenna for 30m to 6m is a small magnetic loop antenna designed for efficient HF operation in limited space. 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