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CWOPS - CW ACADEMY

I am a volunteer advisor for CW Academy. Information is available at www.cwops.org/cwacademy.html .

QSL POLICY - I prefer LOTW whenever possible. I'm really not set up to send cards however I will send you a card if you absolutely need one from me.

CLUBS - Click on the club name below for more info.

PVRC - Potomac Valley Radio Club

CWOPS #1283

SKCC #6594T

NAQCC #0239



Shack Picture Details - August 2014

Top - Speakers, CW keyboard

Middle - UTC Clock, TenTec Omni C, Heathkit HW-16

Bottom - Shack computer with dual 22 inch monitors, Elecraft K3/100, MFJ 4726 antenna switch, Watt/SWR meter, Hi-Z RX Antenna Control Box, K42 CW keyboard control box, Yeasu VX-7R

Keys - Kent Paddles, my original Heathkit HD-1410 keyer, Home Brew Cootie key, 1963 Vibroplex Presentation Deluxe,  1958 Vibroplex Lightning Bug, Home Brew Straight Keys.  All keys are connected to home brew key switch and are instantly availalbe with any rig in the shack.

Floor -Ameritron ALS-600 Amplifier, Astron DC Supply, Dummy Load, RTR-1A RX antenna switch unit, UPS


Studio A - Modern DX and Contest station. Elecraft K3 100W (160-6 meters.) 500W with amp.

Studio B - Ten Tec Omni C with Remote VFO 243. 100W

Studio C - Vintage Novice Station. HW-16. 80,40,15 meters. Crystal control.  My first novice rig.

Studio D - VHF FM station. Yeasu VX-7R (6M - 70CM)

 

Tri Band Inverted L

Picture of the feed point of my tri band inverted L for 160,80 and 40 meters complete with "Ugly Balun" RF choke.


Ten Tec Omni C Arrives

This is not just any Omni C. This is one of few (50) that has the Ron Lee agc mod. A very extensive modification that turns the Omni C into a real top performer that rivals many modern radios. It is a truly amazing radio with very quiet and sensitive receiver. It is very comparable to the receiver in my K3! It was from the estate of W5ZL and came with the matching power supply, remote VFO, 2.4KHZ, 500 and 250 HZ cw filters. I didnt know it was modified unitl I opened it up. Talk about a bonus!

 

Latest Home Brew Key

This key was also inspired by the WB9LPU Simple Straight Key Project. I added a rear contact mechanism of my own design. I also used ball bearings on this key. I made the navy knob using a cabinet drawer knob and large fender washer. This key is super smooth to operate and has a great feel to it. Like the last key, I have a little over 20 hours into building it. Well worth the time though!


New Home Brew Key

This key is from the WB9LPU Simple Straight Key Project. I machined all of the parts in my small garage shop using very "simple" tools. I also had great support from the master himself, Rich, WB9LPU. The key was built over the period of one week and took nearly 20 hours to put together. It feels and looks like a high end pro key! Many thanks to Rich for all of the hard work and effort he put into documenting this excellent project.

Home Brew Cootie Key

UPDATE - I have installed a switch on this key so it can be switched between Cootie and Single Lever paddle mode. Used with my K1EL K42 keyer this key is now capable of being a Cootie, BUG or Fully Automatic single lever key.

Except for the 3.5" x 4.5" x 1" thick blood wood base and finger piece this Cootie is machined from 1" x 1/8" thick aluminum angle stock and hardware obtained from Lowes using simple hand tools and small band saw. I put it together in one afternoon! It works very well and has very smooth action.


HW-16 Mods

Replaced power cord with 3 wire type for safety.

Installed SO-239 antenna jack.

Disabled neon bulb sidetone monitor.

Replaced D1 with 1N4148 to increase sensitivity.

Removed ground from cable connecting D1 to point B on PCB to increase sensitivity.

Replaced R14 with 2.2K 2W resistor to obtain QRP power levels with power level control.

Replaced R49 with 150 ohm resistor to slightly unmute reciever for louder sidetone for better QSK operation.


HC49/U Crystal Holder For HW-16

This holder adapts four HC49/U xtals for use in FT-243 type sockets. Just pull it out and turn it to the next xtal! Use 80 meter

xtals and double your fun with 8 choices in one holder.

Carefully remove all the pins from one octal tube base by drilling them out from

the inside of the plug. Set them aside because you will reinsert 4 of them

later. I used a new octal tube base from Antique Electronic Supply that I had

laying around.

Using a hacksaw blade cut the key way off flush with the base.

Reinsert 4 pins that give you .5 inch spacing. They should be a snug fit. Make

sure they are straight. They should already be pretty straight once you

reinsert them.

Use a dab of fast drying epoxy at the base of each pin to secure the pins back

into the base.

Insert two crystals at a time soldering each of the common pins as you go around

the base. Set the crystals down deep enough inside the base cavity in case you

want to put a cover on it someday.

Plug into your HW-16 and have up to 4 rocks to choose from in one handy holder!

You can use 80 meter xtals for 8 choices between two bands.


My Gear

Elecraft K3 100

Ten Tec Omni C

Ameritron ALS-600 amplifier. Used with K3

Softrock RXTXv6.3 (1watt output on 160, 80, 40 meters)

Hallicarafers S20R

Heathkit HW-16

Homebrew 6L6 QRP transmitter

Homebrew VFO/Driver/TR switch box.

K1EL K42 CW keyboard.

Hombrew PC - Intel Quad Core with 8GB RAM and 500 GB disk

Antenna 1 - Fan dipole at 30 feet (20,15,10 meters)

Antenna 2 - Tri band inverted L (160,80,40 meters) 160m 35 feet vertical 90 feet horizontal with 10 radials. 80 meters 30 feet vertical 40 feet horizontal. 40 meters 32 foot vertical wire. All using same feed point with ugly balun.

Antenna 3 - Dipole in attic for 30 Meters

Antenna 4 - Discone at 30 feet for VHF\UHF

RX Antenna - Hi-Z 2-3

N1MM Contest Logger

DXLAB Suite - Logging and DX work.

 

My Record Book

My WSPR DX record so far is 16295 KM on 500 miliwatts into a slinky antenna in my attic

My CW DX record so far is 6174 KM on 1 watt into a slinky antenna in my attic.

My PSK31 DX record so far is 6129 KM on 1 watt into a slinky antenna in my attic.

1217567 Last modified: 2014-08-27 13:14:14, 9405 bytes

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