Wingfoot 813 amplifier. Grid leak bias is used for operating bias .

Wingfoot 813 amplifier. Grid leak bias is used for operating bias .

Wingfoot 813 amplifier. Mar 2, 2024 · 813 linear amplifier project – w4npn Schematic circuit diagram 813 amplifier description high grid wingfoot click grounded tetrode exciter resolution here gr next impedance input plateAmplifier tubes Sv3auw: rca 813 qrp transmitter!Wingfoot 813 circuit description and schematic diagram. Knowing the proper schematic diagram of a power amplifier can be crucial when it comes to optimizing your audio setup. Homepage van Maarten Ouwehand PG1NCreatie datum : 10/08/2007 @ 22:33 Laatste wijziging : 14/09/2024 @ 22:55 Categorie : Multiband HF Projekten Pagina gelezen 38395 keren Meter Circuit: Metering the plate, screen, and grid currents of an RF amplifier is an important method of monitoring amplifier operation. As manufacturers in the 1940s and 1950s quickly found, robust construction is necessary, particularly when it comes to the local oscillator and Jul 3, 2023 · AA8V Wingfoot 813 Amplifier 1950s 2000s Deskripsi Sirkuit AA8V dan Diagram Skema oleh Greg Latta Amplifier Wingfoot 813 dirancang dan dibuat oleh saya agar cocok dengan Exciter VFO W8EXI Wingfoot. with taps for the following bands: This is the dual 813 grounded grid linear amplifier that was built to mate up with the Octal Tribander. Greg Latta's Electrical Engineering and Amateur Radio Pages Click here for pictures and information on the matching Wingfoot 813 Amplifier If you have any questions or comments, you can send E-Mail to Dr. The best way, if space and money permit, is to use a separate meter for each element, as was done in the Wingfoot 813 Amplifier. Input links are wound over ground ends of grid coils. Needless to say this To the right of the shelf, on the desk, are the meters for the Wingfoot Exciter and the Wingfoot 813 Amplifier. The splitters have F-connector ports, zinc die cast housings, and provide grounding terminals. Greg Latta - Main Page and Front and Side Views The Wingfoot 813 amplifier was designed and built by me to match the W8EXI Wingfoot VFO Exciter. edu Click here for pictures and information on the matching 6146B Linear Amplifier Click here for pictures and information on the Wingfoot VFO 2E26 Exciter Click here for pictures and information on the Wingfoot 813 Amplifier Back to Dr. And what am I? I'm one of the guys who wanted to build my first amplifier and here it is in as much detail Figure 1 – Amplifier Front and side View – Panels Removed The first version of this amplifier started service in the late 1970s and employed a pair of 813 tetrodes arranged in passive grid. At left in dark red is the parasitic surpressor that prevents undesired oscillations in the amplifier. The antenna transmit/receive relay is connected to one outlet, the Wingfoot 813 Amplifier power supply is connected to a second outlet, and a relay to control the T/R input to the Wingfoot 813 Amplifier or another amplifier is connected to a third. The AA8V Wingfoot Amplifier - High Technology of the 's in the 's In an RF amplifier it is necessary to supply DC plate voltage to the tube. The Wingfoot 813 amplifier is always bypassed unless placed in transmit mode by the Wingfoot VFO exciter. Metering the plate, screen, and grid currents of an RF amplifier is an important method of monitoring amplifier operation. By day, Greg is a university physics professor and lecturer, an avid homebrewer of vacuum tube transmitters and receivers, and Aug 22, 2019 · Radio frequency page 15 simple cable tv amplifier circuit wide band rf with input range 10mhz 500mhz eeweb very phantom power edn schematic of the simulated class a where drain scientific diagram 4 circuits next gr front end w8exi wingfoot vfo exciter final and description fundamentals 2019 05 08 microwave journal single chip vhf preamp model Click here for pictures and information on the Wingfoot VFO 2E26 Exciter Click here for pictures and information on the Wingfoot 813 Amplifier If you have any questions or comments, you can send E-Mail to Dr. These are updated on a regular basis so I encourage you to stop back every so often. out 120/240 AC Operation This 813 linear started as a single tube amp. Which by the way, you typically get around 700 watts out. The amplifier operates straight through on all bands and is grid-block keyed. They are used to control the sound output and to provide adequate power to the sound system. It is intended for SSB operation only TS830S L41 rewinding - Free download as PDF File (. cl/Electron/50Wamp/50Wamp. A low cost 600 watt ultra-linear amplifier for 40, 20, 17, 15, 12, and 10m This compact little amplifier is the brain-child of Pat Murdoch, ZL1AXB, in Auckland, New Zealand. doc), T$e small oil in series wit$ t$e plate lead is a parasiti s#ppressor0 w$i $ $elps. Greg Latta, AA8V The 813 beam power tubewas very popular with amateur radio operators following WW II. It is the same physical size and features identical styling. Grid leak bias is used for operating bias The AA8V Wingfoot Amplifier - High Technology of the 's in the 's - by The bias supply provides operating and cutoff bias for the tube. edu Oct 19, 2024 · Ended single tube wiring diagram amplifier schematic Cary 805 cad amplifier schematic audio 300b tube diagram power813 linear amplifier Tube stereo circuit amplifier el34 schematic amp diagram circuits power watt audio vacuum watts seekic gr next 20w valves tubeampK2vco 813 class-c rf amplifier. Oct 5, 2017 · 3 1 Ghz High Power Amplifier Circuit Scientific Diagram Simple 300 Watt Power Amplifier Circuit Using Transistors Wingfoot 813 Circuit Description And Schematic Diagram High Power 250 Watt Mosfet Dj Amplifier Circuit Homemade Projects Class D Power Amplifier Electronics News Simplified Circuit Diagram Of The Integrated Power Amplifier With Sep 19, 2024 · Hf 813 linear amplifier An 813 amplifier project 813 triode se amp circuit amps circuits power full supply voltage gr next itself simple Two 813 tube linear. The desk contains an Automatic T/R System and the remote mode control for the Wingfoot Exciter. This home was built in 1960 and last sold on 2025-06-03 for $--. Filament and bias transformers are in the Wideband class-A low-power amplifier by IN3OTD The amplifier is quite simple; the drain supply is 12 V and the quiescent drain current is mA, which is obtained with a gate bias around 3. Philips; Eindhoven 815 (2) Technical Specifications. Visits visitors visitors online. This document summarizes the specifications of indoor RF splitters from the PAS SPL series for CABD/CATV network solutions. The first coil is 3" diameter coil with 0. The Ameritron AL-572 is a commercial amplifier with an output of 1000W on CW and 1300W PEP on SSB. Nov 4, 2019 · The AA8V Wingfoot Amplifier - High Technology of the 's in the 's In an RF amplifier it is necessary to supply DC plate voltage to the tube. e. A second 813 was added. Here are a few Sep 29, 2024 · Alternating …. 1 are enclosed in the box at lower center. This keeps the meter near ground potential and keeps high voltages off of the meter. On receive, R5 does the biasing, and puts the 813's into cutoff. It is a pair of 2E26 beam tubes in one glass envelope, designed for RF transmitting use. Mar 14, 2015 · And so, I hate to disappoint people, but when I'm operating most of my two transmitters, when I'm using the Wingfoot VFO transmitter and the 813 amplifier that go with it, I'm using a 10-tech Jupiter as the receiver. p. txt) or read online for free. At the time I received the exciter from Jim Trutko, W8EXI, I also received an amplifier that Jim had been working on years earlier. Instead, I am going to try a little known, but apparently very efficient circuit known as a "bifilar tuned input" circuit. Introduction: Building a receiver such as the 6x2 receiver is a formidable project and should not be entered into lightly. Supply amplifier linear voltage high hf schematic power radio parts list rf Wingfoot 813 circuit description and schematic diagram. Greg Latta - Typical Operating Conditions The AA8V Wingfoot 813 Amplifier - High Technology of the 1950's in the 2000's - by Dr. Below are listed some of the special features that make this transmitter so different from others of its era. Key points: 1) The amplifier operates in a grounded-grid configuration with the screen grids and beam forming plates at zero DC and RF potential KB3TTP 800+ WATT LINEAR AMPLIFIER AND POWER SUPPLY PROJECT Introduction. D6 - D8 are glitch protection diodes for the meters in case of a negative going High voltage spike. But sometimes, during pileups or when propagation is closed you have difficulties to work some remote stations or to get good reports exceeding 53-55. The AA8V Wingfoot 813 Amplifier - High Technology of the 1950's in the 2000's - by Dr. frostburg. The AA8V Wingfoot Amplifier - Free download as Word Doc . Introduction The 2X-813 homebrew linear amplifier shown in Figure 1 was constructed to complement my Octal Tri-Bander Transceiver described elsewhere on the kg7tr. A Feb 15, 2024 · Amplifier linear watt ultra cost low schematic radio ham circuit pat 813 input band two tuning diy compactSiwire: 810 amplifier circuit daigram 813 linear amplifierSchematic circuit diagram 813 amplifier description high grid wingfoot click tetrode grounded gr exciter next resolution here impedance plate screen. The anode panel meter carried 3kV! The amplifier and power unit Apr 10, 2025 · GRID DIP METER (GDO) Part1; History + LEADER LDM-815 Teardown and Tests Supply amplifier linear voltage high hf schematic power radio parts list rf Wingfoot 813 circuit description and schematic diagram. Google Ads. GE Ham News 813 GG Article - Free download as PDF File (. There was also a power supply for the amplifier on a This document provides a detailed circuit description and schematic diagram for the Wingfoot 813 amplifier from the 1950s. The AL-572 is always bypassed unless placed in the transmit mode by the TenTec Jupiter. The circuitry is unusually complex and the physical construction is unique. Wingfoot T/R Relay And Wingfoot VFO Exciter: This circuit is under:, circuits, Wingfoot 813 Circuit Description and Schematic Diagram l26909 The input impedance of a grounded grid amplifier is typically several hundred ohms. Bottom view of the all-purpose 813 amplifier. Greg Latta - Bias Supply Circuit Description and Schematic Daigram Dr. This document provides details on the design and operation of a grounded-grid linear amplifier using two GL-813 tubes connected in parallel. I originally bought the piece at auction because of the rack-mount cabinet in which it was installed but became intrigued by what seems to be a relatively simple circuit, a parallel wired pair of 813 tubes in a grounded-grid A low cost 600 watt ultra-linear amplifier for 40, 20, 17, 15, 12, and 10m This compact little amplifier is the brain-child of Pat Murdoch, ZL1AXB, in Auckland, New Zealand. pdf), Text File (. We would like to show you a description here but the site won’t allow us. html Click here for pictures and information on the Wingfoot VFO 2E26 Exciter Click here for pictures and information on the Wingfoot 813 Amplifier Back to Dr. It was also dangerous (more dangerous than this one). Meter Circuit: Metering the plate, screen, and grid currents of an RF amplifier is an important method of monitoring amplifier operation. Click here for pictures and information on the Wingfoot VFO 2E26 Exciter Click here for pictures and information on the Wingfoot 813 Amplifier Back to Dr. Sep 14, 2017 · 4x15 Watt Quad Audio Amplifier The Design Of Car Audio Power Amplifier Under Repository Circuits 20548 Next Gr Lm12 High Power Audio Amplifier Circuit 60 100w Wingfoot 813 Circuit Description And Schematic Diagram 300 1200w Mosfet Amplifier For Professionals Projects Circuits High Power 2200w Amplifier Circuit Electronics Projects Circuits Dec 30, 2023 · [diagram] 12v amplifier diagramTba 810 ic mono amplifier Wingfoot 813 circuit description and schematic diagram3. After much thought the decision was made to use a single Beam Power Tube wired in the not so famous G2DAF configuration. Jun 24, 2024 · 813 transmitter schematic am schematics rig 128k phoenix arizonaSchematic circuit diagram 813 amplifier description high grid wingfoot click grounded tetrode exciter resolution here gr next impedance input plate Amplifier linear projectPtt external transmitter am accessory control notes. No expense was spared in its construction. Greg Latta's Electrical Engineering and Amateur Radio Pages The AA8V Wingfoot 813 Amplifier - High Technology of the 1950's in the 2000's - by Dr. The 2 x 813 version involved much re-building especially underneath but is now in regular use will good results. Nov 3, 2024 · 811a stereo amplifier Schematic circuit diagram 813 amplifier description high grid wingfoot click tetrode grounded gr exciter next resolution here impedance plate screen813 / gm70 amplifier with bartolucci transformers Cary audio cad-805Tube stereo circuit amplifier el34 schematic amp diagram circuits power watt audio vacuum watts seekic gr next 20w valves tubeamp. HF The AA8V Wingfoot 813 Amplifier - High Technology of the 1950's in the 2000's - by Dr. Greg Latta - Plate and Plate/Screen Supply Circuit Description and Schematic Daigram The W8EXI Wingfoot VFO Exciter - High Technology in the 1950's - by Dr. Section 4 (Middle Section of Photo): On the desk, in the middle of the photo, are the meters for the Wingfoot VFO Exciter and Wingfoot 813 Amplifier. That amplifier worked well but the power supply eventually failed making a mess. The AA8V Wingfoot 813 Amplifier - High Technology of the 1950's in the 2000's - by Dr. Mar 9, 2015 · Amateur radio has its renaissance men that include Greg Latta, AA8V. It is the identical physical size and shares the same mechanical construction techniques for the cabinets, panel labeling and meter faces. The chassis work, transformer and choke mounting for the screen/plate supply, and much of the wiring was done by Jim. Greg Latta's Electrical Engineering and Amateur Radio Pages If you have any questions or comments, you can send E-Mail to Dr. It covers 40 - 10 meters including WARC bands (12 and 17 meters). 25" spacing. The AA8V/W8EXI 6CL6 One-Tube Transmitter - Interior PhotosClick here for pictures and information on the Wingfoot VFO 2E26 Exciter Click here for pictures and information on the Wingfoot 813 Amplifier 50W LDMOSFET HF linear amplifier for the Red Pitaya by XQ2FOD https://ludens. This project is presented by me for all you HAM's out there either who would like to build your first amplifier or for the veteran who's seen it all. Greg Latta at The 813 Beam Power Tube and 813 Data Sheets Wingfoot 813 Amplifier Pages By Dr. Greg Latta - Tank Coil Information The Wingfoot 813 amplifier power supply was designed and built partly by Jim Trutko, W8EXI, and me. Greg Latta - Transformer T1 Primary Circuit Description and Schematic Daigram Click here for pictures and information on the Wingfoot 813 Amplifier If you have any questions or comments, you can send E-Mail to Dr. Wingfoot Amplifier by AA8V Designed around the popular in the 's beam power tetrode, the amplifier was unfinished and incomplete. ru 3 prong 240v plug wiring diagram. This home-brew amp with two 813 tubes for the final was made by an unknown amateur radio operator (ham) some years ago. This is known as a "bifilar tuned input". The Wingfoot 813 Amplifier is a homebrew amplifier for the 80m, 40, 30m, and 20m bands with an output of 250W. Greg Latta - Power Supply, Interior, and Back Views The parts from the 813 amplifier were used to build a new matching amplifier, dubbed the Wingfoot 813 Amplifier, that was placed on the air in the summer of 2000. How to select a tube HF amplifier ? (I) Imagine that all your ham shack is invaded with rigs and accessories, that your antenna, beam, vertical or wire is performing, proved by your hundreds QSLs received from far DX stations. p out AM - 40 Carrier/160 p. Greg Latta - Inrush Delay Circuit Description and Schematic Daigram To the right of the shelf, on the desk, are the meters for the Wingfoot Exciter and the Wingfoot 813 Amplifier meters. The amplifier uses a Wingfoot 813 beam power tetrode tube and was designed As you can see, this is a typical 813 amplifier schematic with the exception of the input circuit. When the remote control is placed in "Spot" or "Operate" the following thus happen: 1. Homepage van Maarten Ouwehand PG1NCreation date : 10/08/2007 @ 22:33 Last update : 14/09/2024 @ 22:55 Category : Multiband HF Projects Page read 37815 times Meter Circuit: Metering the plate, screen, and grid currents of an RF amplifier is an important method of monitoring amplifier operation. The overall layout and architecture are very similar to the HB-600 linear. SSB - 160 p. txt) or view presentation slides online. Jul 10, 2019 · Wingfoot Amplifier by AA8V Designed around the popular in the 's beam power tetrode, the amplifier was unfinished and incomplete. More details of this part of the circuit are found on the 813 Input Circuit page. The grid tank-circuit components within dashed lines in Fig. This helps keep heat down. The Wingfoot 813 amplifier power supply was designed and built partly by Jim Trutko, W8EXI, and me. View more property details, sales history, and Zestimate data on Zillow. html Creatie datum : 10/08/2007 @ 22:33 Laatste wijziging : 14/09/2024 @ 22:55 Categorie : Multiband HF Projekten Pagina gelezen 37111 keren Mar 13, 2024 · Wingfoot 813 circuit description and schematic diagramAmplifier linear watt ultra cost low schematic radio ham circuit band pat 813 input two tuning diy compact 813 / gm70 amplifier with bartolucci transformersAmplifier tubes. Greg Latta's Electrical Engineering and Amateur Radio Pages Welcome to my electrical engineering and amateur radio pages. I am departing from the typical input circuitry. Print the article. edu/personal/latta/ee/wing813amp/amplifierpics1. F4 provides further protection in the event of a catastrophic failure. Power Supply Circuits: Click On A Section of the Schematic Below for Information on That Part of the Circuit: Click here for pictures and information on the Wingfoot VFO 2E26 Exciter Click here for pictures and information on the Wingfoot 813 Amplifier If you have any questions or comments, you can send E-Mail to Dr. As a result, the amplifier is completely free of TVI on all channels even in this fringe area. com website. The wheel under the chassis is mounted to the shaft of another rotary switch that selects the proper input circuit for the band in use. in = 400 carrier/1600 p. On your side you The W8EXI Wingfoot VFO Exciter Final Amplifier Schematic Diagram and Circuit Description: Back to the Wingfoot VFO Schematic Diagrams/Circuit Descriptions Page General Information: The final amplifier in the Wingfoot VFO Exciter uses a 2E26 beam power tube in Class C service. Greg Latta - Circuit Description and Schematic Daigram 813 Data Sheet #1 (Includes the base diagram, general specifications, and data for use as an AF power amplifier and modulator 813 Data Sheet #2 (Includes data for use as a plate-modulated push-pull RF power amplifier and as an RF power amplifier and oscillator 813 Data Sheet #3 (Includes characteristic curves and operating considerations) The AA8V Wingfoot 813 Amplifier - High Technology of the 1950's in the 2000's - by Dr. In the transmit mode, the zener diode provides the proper bias for the 813 tubes. Creation date : 10/08/2007 @ 22:33 Last update : 14/09/2024 @ 22:55 Category : Multiband HF Projects Page read 38366 times May 8, 2024 · Amplifier linear used doubler board rear section only Amplifier linear watt ultra cost low schematic radio ham circuit pat 813 input band two tuning diy compact Wingfoot 813 circuit description and schematic diagram In the Wingfoot amplifier, the plate current meter is placed in the negative lead of the plate supply. Specifications include insertion loss, isolation loss, and return loss values across frequency ranges from 5-1000MHz for models with 2, 3, 4, 6, or 8 ports. in = 1600 p. Designed around the popular (in the 1950's) 813 beam power tetrode, the amplifier was unfinished and incomplete. When band conditions are above average, I will run the Wingfoot VFO barefoot at 27W output. People such as ZL1AXB, and Joby, N5APR get 1000 watts output from a pair of 813's using this circuit. Greg Latta at glatta@frostburg. Greg Latta's Electrical Engineering and Amateur Radio Pages Metering the plate, screen, and grid currents of an RF amplifier is an important method of monitoring amplifier operation. Electrically, the amplifier is very similar to the HB-600 linear (detailed at kg7tr. Greg Latta at Click here for pictures and information on the Wingfoot VFO 2E26 Exciter Click here for pictures and information on the Wingfoot 813 Amplifier Click here for pictures and information on the Wingfoot 813 Amplifier If you have any questions or comments, you can send E-Mail to Dr. Greg Latta at Dec 5, 2024 · Schematic circuit diagram 813 amplifier description high grid wingfoot click tetrode grounded gr exciter next resolution here impedance plate screen813 amplifier class rf tubes qsl Wiring schematic diagram: tube we437a + 6l6gc + 805 single ended813 linear amplifier. Just to its right is the yellow plate coupling capacitor, which keeps the 2 kV plate potential from reaching the plate tank circuit located just in front of it. The tube remained a staple of amateur radio until single sideband became a popular operating mode in the late 1950's Click here for pictures and information on the matching 6CL6 one-tube transmitter Click here for pictures and information on the Wingfoot VFO 2E26 Exciter Click here for pictures and information on the Wingfoot 813 Amplifier Back to Dr. I am assuming it to be about 35 to 40 years old. It describes the key circuits including the input circuit, filament supply circuit, plate feed circuit, plate tank circuit, grid and plate metering circuits, and transmit/receive switching circuit. 5k 13w tube amplifier single-ended output transformer suitable for. Closeup inside the Wingfoot 813 amplifier. Oct 27, 2017 · Williamson valve amplifier circuit diagram stereo lab primus inter pares adding preamp stage simple hybrid audio service manual quad ii jpg british schematics preview 3w single ended class a heated cathode se kt88 schematic with 6n1p driver reading triode electronics on line index shishido s amplifiers el34 jj e34l red mini wired d i y champ The Wingfoot VFO Exciter is very different from the typical homebrew (home made) transmitter of the 1950s. The 15 and 10 mtr band output is down The document summarizes the construction and testing of a homebrew radio amplifier built from recycled parts including two 813 vacuum tubes. As a single 813 linear it had allowed me to test acquired 813 tubes. com) and covers 80, 40 and 20 meters. Sep 19, 2018 · Schematic Diagram Of Power AmpAre you searching for information about a schematic diagram of power amplifiers? Power amplifiers are essential components in any sound system. Separate meters provide a simultaneous view of all amplifier currents in a single glance. Wingfoot 813 Amplifier door AA8V https://www. Copy any of this at your own risk!! The cct is derived from a number of sources but with added innovation. Greg Latta - Power Connector Circuit Description and Schematic Daigram To date, this is what I am working on. Building a tube superheterodyne receiver or SSB transmitter is perhaps the most difficult project a builder can ever undertake. Greg Latta at The 1955 Wingfoot VFO Exciter and modern Wingfoot 813 Amplifier form a complete, late 1950s/early 1960s high power, all tube, VFO transmitting system. Sep 12, 2024 · An 813 amplifier project 813 linear amplifier. L1 is actually two coils in series. Aug 7, 2018 · HF linear amplifier, pair of B tubes, 80, 40, 20 meters, homebrew, watts output. So, I use a modern transceiver as the receiver, typically rather than an older receiver. Greg Latta - Main Page - Front and Side Views The AA8V Wingfoot 813 Amplifier - High Technology of the 1950's in the 2000's - by Dr. The 5,015 Square Feet single family home is a 8 beds, 5 baths property. The tube. Key points: - The author built a high voltage power supply using transformers from microwave ovens to power the amplifier, which required careful testing to determine proper phasing and inclusion of a soft start circuit using a microwave oven relay board May 3, 2024 · Wingfoot 813 power connector circuit description and schematic diagram 3 prong extension cord wiring diagram Laptop power supply wiring diagram hp power pinout diagram @ pinouts. The chassis work, transformer and choke mounting, and most of the wiring was done by Jim. HF Propagation. The Wingfoot 813 amplifier is normally only used with the Wingfoot VFO exciter, and it is normally turned on. Jun 10, 2018 · Rf Amplifier Circuit 1 Watt 2 3ghz Based Mrf2001 Design Rf Power Amplifier Safety Edn Amplifier Fundamentals 2019 05 08 Microwave Journal Wingfoot 813 Circuit Description And Schematic Diagram Typical Rf Amplifier Circuits 20w Fm Rf Amplifier Circuit Bly94 100w Rf Power Amplifier 2400 Mhz Rf Amplifier Circuit Using Pm2107 Integrated Thus, the signal first goes into the 813 amplifier, and then the AL-572. There has been many 813 Wingfoote Rd, El Paso, TX 79912 is currently not for sale. Pada saat saya menerima exciter dari Jim Trotko, W8EXI, saya juga menerima amplifier yang telah dikerjakan oleh Jim selama bertahun-tahun. edu Click here for pictures and information on the Wingfoot VFO 2E26 Exciter Click here for pictures and information on the Wingfoot 813 Amplifier If you have any questions or comments, you can send E-Mail to Dr. lets add a tube!813 amplifier schematic amp linear diagram radio high supply Schematic diagram circuit amplifier description rotated suitable printing click here813 amplifier gm70 triode audiodesignguide. The Wingfoot VFO Exciter can run barefoot at 27 watts output or drive the Wingfoot 813 Amplifier to 250 watts output on the 80 m - 20 m bands. lbzt n392 fskkpd hew fej i2hyp5 vtpl b6d vjql5xfy mv3s