Home crystal grinding page by bry af4k
THE CRYSTAL GRINDING PAGE. FT-243 Crystal Info From: [email protected] (Paul Carreiro) Subject: Help in FT-243 Grinding Greetings fellow boatanchorites! I need help from all the BA gurus out there practiced in the mysterious art of grinding FT-243 type surplus crystals to operate in the ham bands.
Date: Mon, 7 Apr 1997 13:44:51 -0400 (EDT) From: [email protected] Subject: BA/GB QRG TEST QTR Well, now that the dust has settled, the list is mostly up, and I have had some time to get back on the air and test the various QRG's I opt for the following schedule for the BA/GB Net: 1. 30M --- QRG 10110KHZ QTR …
The band benefited from an increase in the solar flux at the beginning of the week which kept the MUF a little higher than 21MHz for most of the Roundup. It was particularly exciting to hook-up with VA1RST way back in Nova Scotia, on 15m. His little DX-60 did a good job in making the coast-to-coast leap at 559. VA1RST in Nova Scotia.
CRYSTAL GRINDING PAGE by BRY AF4K - AF4K Home . THE CRYSTAL GRINDING PAGE. FT-243 Crystal Info From: [email protected] (Paul Carreiro) ... The only place I have ever seen it for sale is machine tool and gun smith supplies. Do not use valve grinding compound as it is an imbedding type!!
Here Comes The 2021 Novice Rig Roundup (NRR)! One of the most enjoyable operating events of the year is fast approaching -- the Novice Rig Roundup or 'NRR'. This year, the activity is dedicated to NRR founder and long-time participant, Bry, AF4K, who sadly became a silent-key last year. Technically, the NRR is a contest, but I have the feeling ...
Date: Sun, 27 Apr 1997 00:14:06 -0400 (EDT) From: "Walter L. Marshall"
06.09.2019· Grind the whole rock with low-grit sandpaper and a Dremel sanding attachment. Change the bit on your Dremel tool to a sanding attachment and slide a low-grit, like 600-grit, sandpaper band on it. Grind the first exposed surface of the rock, then rotate it in the vice clamp to expose another side and grind that surface.
The first crystal I tried, a 6802, I was able to bring up to 7030 this afternoon finally after a week of on and off grinding. It doesnt stop there though...tomorrow I will bring it up to 7290 and this one will be finished. Today I ground a 3825 crystal provided by …
QRP: Bry's HAM PAGES by AF4K The challenge of -=QRP=- is to operate and/or build CW (Morse Code) or voice (AM & SSB) radio transmitters (& simple receivers) for the amateur bands using a bare minimum of components, money and construction skill; equipment that is useful for radio amateurs looking for some diversion beyond their regular pursuits ...
AF4K - FB DOUG MY NRR NR 1 BT TNX QSO ES CU SN OM 73 N3PDT DE AF4K K N3PDT - R FB BRY TNX AND BCNU SN GL ES 73 AF4K DE N3PDT For many it is not enough to play with Novice Rigs once a year, hence NRR has what is called "Novice Rig Night" held every Monday in the USA, from sunup on the east coast, to midnight on the west coast.
ARRL Crystal Oscillator INFO page by N6EV. Crystal Holder data by AF4K. ECL80 GLOWBUG, SEPT 1957 (PAGE 1) ECL80 (PAGE 2) 1960s British Combined Cadet Force Radio! (Great CCF & Surplus stories from Britain) THE 73 KHZ PAGE!! Those brave hams on VLF! How to calculate Antenna Radiation Resistance. Glowbug files Projects-homebrew-pix-schematics ...
Reducing crystal current The lamp in series with the crystal is a number 40 pilot lamp rated at 150 mA at 6.3 volts. After repair, it lit up to roughly 100 mA or more making me fearful of damaging my ham-band FT-243 crystals. …
Sadly, we lost Bry - AF4K. He was my high school electronics teacher in Nashville, around 1979. In addition to being a great teacher and inspiring fellow, he also helped get me into ham radio when I was 14. Specifically, he volunteered his time to help me erect a used 60 ft tower with a 4 ele tri-band beam (made by Swan no less).
Title: New England Glass Company Pomona Second Grind Cornflower Pattern Tumbler, Status: SOLD, Category: Glass:New England Glass Company:Pomona Glass Tumbler:Cornflower Pattern, Shop: Brys Antiques, Description: Pomona glass was patented by Joseph Locke at the New England Glass Co. in 1885 in the first grind process and he developed the second grind …
I borrowed a real FT-243 crystal from Steve AA4BW. It still didn't seem to tune up but a note to the Glow Bugs mailing list brought a suggestion from Joe WJ5MH to check the bandswitch (among a couple of other things). ... This was made from an old FT-243 that was to far from the ham bands to try to grind down. ... AF4K's Conar Twins Page with ...
AF4K Home Page . AF4K CRYSTALS - FLORIDA . CLICK TO SEE MY RADIOS, PARTS ETC. FOR SALE. AF4K on FACEBOOK. CUSTOM CRYSTALS. We no longer supply custom made crystals. If you don't see the item that you need listed here, we MIGHT have it. So please e-mail or call, but we can no longer make or supply custom crystals.
200 B Wood Ave. PO Box 10, Middlesex, NJ 08846. Whan, Bob & Son Electronics, Inc DBA JAN Crystals. 5686 Youngquist Rd, Ft. Myers, FL 33912. Contact: Kim Whan, President, Phone 239-936-2397. I can find no active website for JAN Crystals or. Whan, Bob & Son, and their product line is not known.
AF4K - FB DOUG MY NRR NR 1 BT TNX QSO ES CU SN OM 73 N3PDT DE AF4K K. N3PDT - R FB BRY TNX AND BCNU SN GL ES 73 AF4K DE N3PDT. So just have QSOs with other folks and exchange info about your stations. All the logger requires is the DAY/DATE, CALL, NAME, BAND, QTH and YOUR RIG. SCORING. THE LOGGER WILL COMPUTE SCORE …
Commercial Crystal Test Equipment The Agilent (formerly HP) E5100 network analyzer with LCD screen is used by almost all the manufacturers for engineering and some production testing for crystals above 10 kHz. This is a swept instrument where the crystal is connected in series using a test fixture as described in app note 5967-6048E.pdf
Brian Carling (AF4K Crystals) Situation. On April 4, Brian was taken to the emergency room thinking he may have had a minor stroke, since he was encountering some difficulties. By 7am the next morning, he had undergone brain surgery with a very grim prognosis of a non operative stage 4 GBA tumor.
CRYSTAL HOLDERS by AF4K NOW I CAN SET-UP ADS, banners or even A WEB PAGE FOR YOU ON THE INTERNET - HERE'S HOW. Always wanted to know what all those HC/XX designators stand for? Got some quartz rocks for your radio and don't know which socket you need to buy? Building an old-style tube transmitter and need some data on the xtals?
AF4K Crystals web store is now operational; ... IN the US army WWII they used to use fine valve grinding compound. THis of course raises the Fn of the xtal For dropping frequency you can use a soft lead pencil and lead the crystal surface. This apparently causes drops of a typical 500 Hz. But it is very difficult to reverse.
AF4K's HOMEBREW: Projects, Parts & Kits from soup to nuts. Amateur Radio Construction Projects by K0JD.; Amateur Radio Homebrew Projects on the Net This page is dedicated to Amateur Radio Homebrew.; AMECO AC-1 With a 6V6. Homebrew or restore one. From WX3K. Cigar Box 6 Watt Output Transmitter.; eHam.net homebrew topics A selection of …
E.F. Johnson Invader!! were two versions of the Invader. $619.50 had 200W PEP input. But there was also the Invader-2000, selling. for $1229.00, which 2000w PEP input. Power input seems to be the only. difference. for only $619.50. This was in the May 1961 issue of QST.
Re: Bry Carling AF4K Crystals « Reply #3 on: May 20, 2020, 12:19:34 AM » Sad to hear this, I had done business with him a few times and was a …
