A Website dedicated to the Radioman of the U.S. Navy Minesweeper Ocean Fleet. Tectonic refers to the art and science of structure and was chosen to emphasize the company’s interest in construction– how things are made, and. Some Home Made Equipment. Click on the thumbnail images to see a larger image. Use the back button to return to this page. High Voltage Bench Power Supply for Valve Equipment. When restoring vintage valve (tube) radio equipment it is often desirable to have a bench power supply that can power individual stages without using the original power supply built into the equipment. It is also useful for the odd experiment we may wish to carry out by bread- boarding a few bits. Yes, these modern solid state folk have not got bread- boarding to them selves. Not one of these has survived in my collection so a few years ago I decided I needed to make one again. This one is a bit different to ones I made in the past, it has a solid state bias supply of 1. Volt and switchable solid state regulators for the lower filament/heater voltages used. Although I could have used solid state devices for the high voltage supply, I have stuck with tradition and used a good old 6. AQ5 as the pass device and three neons as the voltage reference. Pictured here are two of the loads I have built, there is a third single resistor load built into my switch/patch panel for tuning Boat. Anchor rigs off air so I do not interfere with other users and there is a switch to connect the Boat. Thoughts of ham radio station lightning and transient protection, Finnish legistlation, rules, standards, principles, examples, data, graphs, formulas and transient. 73 Magazine (also known as 73 Amateur Radio Today) (OCLC 22239204) was a United States-based amateur radio magazine that was published from 1960 to 2003. Torrent anonymously with torrshield encrypted vpn pay with bitcoin. View and Download Radio Shack DX-398 owner's manual online. Radio Shack Satellite Radio User Manual. DX-398 Radio pdf manual download. Anchors to either the antennas or the dummy load. I could not find a kit for this and . Some of the kits featured in Silicon Chip magazine over the years are still available from Jaycar and Altronics and the circuit boards for a . Some project boards can be obtained from Silicon Chip magazine publishers. This little kit gives you an infinite range of operating frequencies. As it only has one output my intention is to build a wide range VFO to use for the receiver sections of some transceivers that use one crystal for transmit and one for receiver per operating frequency This may even make a good radio club project. I have decided I put it into too small a case as it would be better to have a BIG knob on the frequency control, I may even build it into a bigger box with the VFO I intend to build. There are number of VFO kits available, I will look into them as I do not have the time to cobble up my own. Photos and notes from Tony Cappiello 1958-61: Radio 1 (Radio Central) -'.different angle of Radio 1.You can see just a little bit of the transmitter patch panel. OPEK, Autotek, Radio, Communications, Parts, Supplies, Accessories, Ham, Radio, Amateur, Dealer, Antenna. I will also add a buffer / amplifer circuit inside the case when I work out what output level I will need in most applications. I will also have to modify any equipment I intend to use it by adding BNC connectors for the inputs and in the case of valve equipment even more amplification I suspect. If you look on my Boat. Anchor Maine Transceiver page you will see two or three candidates for these conversions and some more on the Boat. Anchor Outback Transceiver page. VK5. JST HF Aerial Analyser. An Antenna Analyser built from a kit available from the Adelaide Hills Amateur Radio Society. Designed by Jim VK5. JST/VK5. TR it has a very stable well designed oscillator and covers from 1. MHz to 3. 1. 0. MHz. Many of these kits have been built all over the world. The last two images show how I go about installing SMT parts. They can be built into a boat anchor receiver or VFO's and used as a frequency read out. The display can be offset for the IF frequency of the receiver. They are available from Hendrix QRP Kits. Back to the shack equipment pages. Back to the Ham Radio pages. Back to the Domestic Radio pages. Back to opening page. Written by and Copyright, Phil. Products And Reviews. Here you can find users reviews and specifications on various models including Whites Metal Detectors and Minelab Metal Detectors allowing you to compare them to help you pick a detector. Move around this site by using the menu selection to the right. There are videos giving you tips on various detectors and treasure hunting within this page and links to suppliers and outlets to check prices or make a purchase. If you would like to leave a review or comment please use the form at the foot of any of the site pages and it will be reviewed and published. An Audio Blog On Talk Radio, AM Radio, Shortwave & DXing. Contains commentary, streaming audio, and occasionally video. Contact Us; Payment; Shipping; Easy Returns. Products at E Bay Found Here – Metaldetectors. Garrett Metal Detector. Ace 2. 50. Graphic Target ID Cursor (1. Segments)Discrimination: Accept/Reject Notch. Electronic Pinpoint. Sensitivity, Depth Adjustment (8 Settings)Coin Depth Indicator. Headphone Jack. Interchangeable Ace Series Search coils. Large LCD Display. Microprocessor Controlled. Push Button Controls. Clear Speaker Tone. Tone ID (3 Levels)Touch- n- Go Operation. Distinct Discrimination Patterns. Search Modes. All Metal. Jewelry. Custom. Relics. Coins“I have had an Ace 2. It is the 3rd detector I have owned. For the money it is packed with features and reliability. Sure if you spend $1. Like all detectors it has a few quirks that must be figured out. It doesn’t like wet sand, and gives many false signals and has a hard time pinpointing them in wet sand, just turn the sensitivity down and move slowly. In playgrounds, soccer fields, and ghost towns it is a champ. Showing great depth and accuracy. It is light and can be swung all day long with only a little fatigue to the users arm. It does well in low mineralized areas at finding gold nuggets. But, think about getting a proper prospecting machine if that is your sole purpose. In all this is the best all purpose machine for under $5. Garrett support is excellent, and so if you feel your machine is not working give them a call, they will help out. But you should use it for several hundred hours before you say it is broken r does not work. Many times it is user error, Detecting is a hobby that requires learning and so if you are unwilling to learn don’t buy any detector, cause you will not have fun.”“I sold electronics (including metal detectors) for years, and most problems people had with their purchases were caused by them NEVER even bothering to look at the instructions! Trust me, you are not so smart that you don’t need to read the instructions! I have an ACE 2. 50, and being an experienced detectorist, I have had virtually none of the problems supposedly experienced by the purveyors of the bad reviews. If you go on the Garrett website, there is a very good computer- animated demo of how to pinpoint. If You just SLOW DOWN and realize that the dig point is in the MIDDLE of the sound band, and scan two ways as instructed, it is dead- on. I’ve never had a problem. I think what many people want is a machine that will locate valuables, dig it up for them, and place it in their hand. Take the time to get to know your machine, what it is trying to tell you, and that it is a man- made contraption, and therefore not perfect! The ACE 2. 50 is a great little machine, is extremely fun to use, and first- time buyers or even experienced hunters wanting a great turn- on- and- go machine can’t go wrong. Just don’t worry about all the belly- aching from people who can’t be bothered with actually learning to use their machine. If the $2. 00 price range is what you are limited to, then you can’t do better that the ACE 2. It’s a real GEM”Garret Metal Detector GTAx. ALL NEW Graphic Target Profiling detector. Powerful, DSP- based machine. Dynamic target size information – (Small, Medium, Large)Garrett’s new RHINO TOUGH 7. It was my first machine. I have become addicted to this hobby and give all the credit to the 1. There are very few adjustments to be made before your up and hunting. I have found coins up to 1. It’s pinpointing is very accurate. I can’t see how you can beat this machine for the price”“It was an ok unit that found a lot of shallow coins, but to compare it to an Explorer and claim it’s the same, is stretching the truth a bit.”Garrett gti 2. Metal Detector. Enhanced Power. Master Circuitry. LCD Graphic Target Imaging/Treasure Vision. DSP Microprocessor Controlled Operating System. Size and Depth Matrix. LCD Graphic Target Analyzer. Notch Discrimination. Sharp Audio Target Response. Target Size Data. Ramrod Stem Design with Armrest. Hipmounting of Battery Pack. Waterproof Elastomeric Membrane Touchpads. Imaging Searchcoil Series 9. I dont like digging bigger holes than that as it takes all morning. I have found over 2. It takes time to learn the machine because of all the options. Pin pointing is great. I like the ability to switch modes with just touch of a couple of buttons while scanning. I switch back and forth between zero and coin modes constantly which helps in verifying trash. I have found that you should also dig A size targets because many coins are on end. My oldest finds are a few civil war bullets, and my best find to date is an 1. I have learned to trust what the machine is telling me. I am still learning it’s capabilities.”Garrett Detector GTPThe Garrett GTP 1. Garrett’s new RHINO TOUGH 7. This means you will search more deeply and cover more ground per sweep than with traditional coils. The Garrett GTP 1. If you’re serious about treasure hunting, you will appreciate the GTP 1. Search Modes. Motion: Coins, Jewelry, Relics, Zero and Custom Discrimination modes with Visual Target IDPinpoint: Non- motion detection for precise target locating with visual Target Imaging. Ground Balance, Automatic Ground Tracking. Headphone Jack. Hip Mount Battery Pack. Last Mode Switching. LCD Backlit, Shows Target ID and Settings. Microprocessor Controlled. Pinpointing, Coin Depth Measurement. Power. Master Circuitry. Profiling (Target Size)Salt Elimination Mode. Scan. Track. Sensitivity / Depth Adjustment. Speaker. Surface Mount PC Board Technology. Touchpad Controls with One- Touch Operation. Volume Control“I have had a Garrett GTP 1. I have found the pinpointing superb and the target i. It is accurate to a depth up to about 8 inches and has a very sturdy design. The tone i. d. Small English hammered silver coins are also no problem. This is my second Garrett detector and I would definitely recommend it as the best metal detector. The only negative thing is that the display is difficult to see in direct sunlight. But I would say that the positives definitely outway the negatives. Happy hunting.”“I first bought the Ace 2. I used it for a couple months but after chasing ghost signals and false readings I decided to purchased the GTP 1. Ive only taken it out a couple of times but within minutes Im digging coins, and very accurately. The pinpointing is great, and its easy to use. Stays silent until a target hits, none of that beeping then no target to be found anywhere. I would definately recommend his detector to any one wanting a more advanced accurate machine.”Garrett Infinium. Infinium LS Water and Beach. Completely new kind of detector for treasure hunting in any environment, no matter how extreme, including mineralized ground. Convergence of technologies including Garretts exclusive new Advanced Pulse Induction (API). Waterproof design for land and sea detecting. Easy operation with just three controls; effortlessly holds at optimum performance. Discrimination Dial provides all- metal detecting or varying degrees of discrimination; discrimination for nearly 1. Tone ID helps identify targets via distinct audio tones. Reverse Discrimination capability significantly assists in identifying most iron. Adjustable operating frequency minimizes electrical interference. Automatic Ground Track with lock, slow and fast settings to master changing soil conditions. Audio Threshold adjustment to suit individual hunting styles and listening needs. Rugged go- anywhere design and stable, quiet performance. Lightweight, power- saving design uses eight AA batteries. Choice of four different control housing configurations: hip- mount, under the cuff, above or below the stem.“I have had my Infinium for a while now and although I said that I felt it was not as good as my Sovereign on saltwater beaches, I think I am beginning to change my mind. What I have found though is that this machine is a brain snapper in highly iron mineralised ground, and no kidding folks, this thing can find gold nuggets inside solid iron ore; Show me a VLF that can do that! Sure the Infinium works great at the beach but there are plenty of PI detectors that do that but only a couple that will find gold in iron mineralised ground, so if it’s gold you want and your ground is highly mineralised then give the Infinium a go because you won’t get anything better for the price.”“I think the Infinium smokes!!! I use the machine in tough black sand on the N. East coast without any issues. Where the Infinium shines is in the surf and water! The disc and iron check do work and help to really reduce junk found. This is a pro level machine and does have a learning curve. If you read the posts online you can reduce that curve alot. I also use VLFs and think they make a great pair working together as no one machine can do it all! You will dig more trash with a pulse, but out in the water targets a fewer and the good stuff is deep. The Infinium is so stable and deep detecting when adjusted correctly, that not much could touch its performance. Another trick is you can just dig the high- low signals while using the reverse disc and Iron check to just get the gold (you can cover alot of ground quick this way)! The detector is built like a tank and just works great in the water with the 8! I’ll grab it in areas that have been pounded or are sanded in, as you’ll probably walk away with something good. I have all the extra coils and plan to do some relic and nugget hunting with it too. It’s a great detector to add to any serious hunters collection of water machines!”Garret Metal Detectors – Gold. Scorpion Gold Stinger.
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