Randy
very interesting
The December 1959 GE Ham News ground grid amp issue is one
I would like to read. What tube is used?
I have enjoyed the 2 or 3 RCA Ham tips I have had In the past. I came too late
to get them fresh
john kb9tc
Randy Brothers <k9or@comcast.net> wrote:
I have the following which I will be happy to scan in my spare time (which
means don't expect more than a couple a week).
Which if any are of interest? Mob rule...
RCA Ham Tips
Spring 65 Transistors & Nuvistors in a 2M Xcvr
Fall 64 144 Mc Antenna-Matching Preamp
Winter 62-63 Mobile 50W Xmtr for 6 and 2
April 58 Transistorized Grid Dip Meter
Dec 56 Visualizing SWR
Dec 54 Determination of Oper Condx for RCA Tubes Used as Linear RF
Pwr Amps
Mar/Apr 54 Design Tables for Low/High Pass Filters for TVI
Summer 51 DE-TVIing a 600w 14 Mc Transmitter
Fall 50 Design & Application of High Pass Filters
GE Ham News
Nov/Dec 59 KW Grounded-Grid Linear Amp
Jan/Feb 59 7077 RF Amplifiers (432/144Mc)
Mar/Apr 57 455 Kc Mech Filter Rcvr Adapter
Nov/Dec 56 Mix-Selector Chart
Sep/Oct 56 Hamscope
May/Jun 56 Transistorized VFO's (BC, 3.5)
Mar/Apr 56 Tri-Range VFO (160/80; 40-10; 50/144)
Jan/Feb 56 DX Log Checklist (have you worked VQ4, MP4, ZC6?)
Nov/Dec 55 100w Xmtr for 6 or 2 (5763/2E26/829B)
Sep/Oct 55 Simple-Sixer Converter
Jul/Aug 55 6M Transceiver (12AT7s/5763)
Mar/Apr 55 Low-Pass Audio Filter
Sep/Oct 54 Low Noise 220 Mc Converter
May/Jun 54 Picking the Proper Insulation
Mar/Apr 54 Two 250ma Plate Power Supplies
Nov/Dec 53 AC/DC Voltmeter/Ohmmeter/SWR Bridge AND How Tubes Are
Numbered
Jul/Aug 53 Super 430 (Mc) Converter
May/Jun 53 Dioplex (electronic antenna switch)
Mar/Apr 53 Mobile/Portable Power Supply
Sep/Oct 52 200w Linear Amp for SSB (811A)
Jul/Aug 51 Signal Slicer Rcvr Adapter
Mar/Apr 49 30w Phone Rig for Mobile/Home/Emergency 6 & 10 Meters
Jan/Feb 47 One KW Amp (807/GL-8000)
73 Randy K9OR
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