N6DC's AMATEUR RADIO SITE
This site is presented as a resource for fellow amateur radio operators and radio enthusiasts who I hope will find the information presented useful and constructive.

Amateur Radio Application Notes: Amateur radio Application Notes are papers covering various topics of interest to radio amateurs. These Application Notes (listed below) are published in Adobe Acrobat PDF format for convenient download and viewing:
AR-001 -
Evaluating and Improving the Ameritron RCS-8V 5-Position Remote Coaxial Switch
(A01-488k)
AR-002 -
An Improved Bias Tee for 1.8-30.0 MHz (A01-381k)
AR-003 -
The N6DC 5-Band "Super-Vertical" Antenna for 160/80/60/40/30 Meters
(A01-1,242k)
Vintage Radio Application Notes: Vintage radio Application Notes are papers written for the benefit of vintage radio enthusiasts interested in reconditioning vintage radio equipment. These Application Notes (listed below) are published in Adobe Acrobat PDF format for convenient download and viewing:
VR-001 -
Reconditioning and Modernizing the Heathkit HP-23 AC Power Supply (A03-1,397k)
VR-002A - Reconditioning
and Modernizing the Heathkit HP-13 DC Power Supply (A01-994k)
VR-003A
- Replacing the 5Y3 Vacuum Tube Rectifier with Modern Silicon Diodes
(A01-777k)
VR-004 -
Reconditioning the Heathkit Model TT-1/TT-1A Tube Tester (A04-1,546k)
VR-005B
- Upgrading the Heathkit Model TT-1/TT-1A Tube Tester to the TT-1B
(B01-6,230k)
VR-006 -
Reconditioning and Improving the Heathkit HM-102 RF Power Meter (A02-712k)
Downloads: These zipped files contain documents and software relevant to the above literature.
TT-1B.ZIP
- Zipped Files for VR-005B - Includes operating software and Nov 1978 Final
Tube List (972k)
RDFUTIL1.7z
- Zipped Files for RDFUTIL1 (625k)
Contact Information...
mail@rdfproducts.com (primary
server)
rdfproducts@juno.com
(back-up server)
Tel:
+1-360-253-2181 Fax:
+1-360-635-4615
(Please send e-mail correspondence to both e-mail addresses to avoid spam filter.)