C.A.T.S.; RD-1800 ROTATOR AND DPU-1800-D CONTROLLER; Sep 2005
CECO; Hamlog/Applecoder; Jan 1983
Centurion; TUF DUCK "Mini" 2-Meter Antenna; Feb 1982
CES; 510SA Smart Patch; Apr 1984

Campion; Inverter Generator, model 73536i, June 2012
Cherokee; AH-50 6-Meter Hand-held Transceiver; May 1998
Chester Electronic Sup-ply Co; Electronics Genius Reference Guide Software; Nov 2005
Clear Channel Communications; AR-3300 Ranger 10-M All-Mode Transceiver; Jun 1987
Clegg; AV-144 All-Bander Receiving Converter; Oct 1980
Clegg; Classic Series VHF Converters; Jul 1968
Clegg; FM-27B FM Transceiver; May 1973
Clegg; FM-28 2-M FM Transceiver; Jun 1978
Clegg; FM-DX 2-M FM Transceiver; Sep 1976
Coaxial Dynamics; 83000-A Peak-Reading MF/HF Wattmeter; Feb 1991

Coaxial Dynamics Model 81041 USB Wattmeter, Oct 2011
ColdHeat; Classic Battery Powered Soldering Tool; Jun 2007
ColdHeat; Pro Battery Powered Soldering Tool; Jun 2007
Collins; KWM-380 HF Transceiver; Oct 1982
Collins; Low-Cost Mechanical Filter; Jun 1978
CombiTech; Mscan SSTV Software; Sep 1999
Comcraft; CTR-144 2-Meter Transceiver; May 1972
Comdel; CSP11 Speech Processor; Mar 1967
Comdel; DW-1550 Wattmeter; Oct 1969

Comet CAA-500 Standing Wave Analyzer; Mar 2012
Comet; CA-HV HF/VHF Mobile Antenna; Sep 1996
Comet; CD-160H Peak-Reading MF/HF Wattmeter; Feb 1991
Comet; CF-4160J 2 METER/ 70 CM DIPLEXER; Dec 2004
Comet; CHA-250B Vertical Antenna; Feb 2006
Comet; Comet CMX-1; Mar 2009
Command Technologies; Commander HF-1250 MF/HF Linear Amplifier; Jul 1992
Command Technologies; Commander HF-2500 Linear Amplifier; May 1991
Command Technologies; Commander II 2-Meter Linear Amplifier; Sep 1992
Command Technologies; Commander VHF 1200 6-Meter Linear Amplifier; Feb 1998
Communications Assoc., Inc.; CF-8 FSK Converter/Keyer; May 1970
Communications Elec. Spec.; CES 200 & CES 210 Tone Pads; Feb 1976
Communications Elec. Spec.; Model 100 Digital Display; Apr 1976
Communications Power; WM-7000 Wattmeter; Sep 1978
Communications Specialists; SS-32M CTCSS Encoder; Mar 1983
Communications Specialists; TE-64 Tone Encoder; Sep 1980
Computer Aided Technology; "Standard" and "Ultimate" Pocket Morse Code Trainers; Dec 1995
Computer Warehouse Store; Video Monitor; Apr 1977
Comtronix; FM80 10-Meter Transceiver; Dec 1980
Control Signal Company; Automatic Keyer Module AKM-25; Nov 1974
Creative Design; CLP5130-1 VHF/UHF Log-Periodic Antenna; Aug 1988
Crick; Ham University; Nov 2000
Cubic; Astro 102BXA Transceiver; Dec 1981
Cubic; MMBX "Matchbox"; Jan 1982
Curtis; EK-39M Mnemonic Electronic Keyer; Mar 1971
Curtis; EK-402 Electronic Keyer; Mar 1972
Curtis; EK-420 Programmable Electronic Keyer; Oct 1973
Curtis; EK-430 Keyer & 8044-2 Kit; Feb 1976
Curtis; EK-480M CMOS Deluxe Keyer; Jun 1980
Curtis; IK-440 Instructokeyer; Mar 1976
Curtis; KB-4200 Morse Keyboard; Oct 1974
Curtis; KB-4990 Keyboard Keyer; Sep 1981
Curtis; KM-420 Programmable Electronic Keyer; Oct 1973
Curtis; Lil' Bugger; Mar 1982
Cushcraft; 13B2 2-Meter "Boomer" Yagi Antenna; May 1992
Cushcraft; 2-M Collinear Array; Feb 1978
Cushcraft; 20-4CD Skywalker 20-Meter Monoband Yagi Antenna; Dec 1981
Cushcraft; 220B 220-MHz "Boomer"; Aug 1983
Cushcraft; 225WB 220-MHz Yagi; Dec 1989
Cushcraft; 32-19 "Boomer" and 324-QK Stacking Kit; Nov 1980
Cushcraft; 40-2CD 40-Meter Skywalker Yagi; Jul 1983
Cushcraft; 617-6B "Boomer" 6-Meter Yagi; Sep 1982
Cushcraft; A3 Triband Antenna; May 1981
Cushcraft; A4 Triband Yagi; Jan 1983
Cushcraft; A50-6S 6-Meter Beam; Feb 1992
Cushcraft; A627013S 6-Meter/2-Meter/70-Cm Yagi Antenna; Dec 2001
Cushcraft; A743 40/30 Meter Add-On Kit; Mar 1982
Cushcraft; ARX-220B 220-MHz Ringo Ranger Antenna; Nov 1987
Cushcraft; ATB-34 Tribander; Jun 1979
Cushcraft; D3W World Ranger 12, 17 and 30-Meter Rotatable Dipole; Oct 1990
Cushcraft; R3 Three-Band Vertical Antenna; Mar 1983
Cushcraft; R5 Multiband Vertical Antenna; Oct 1990
Cushcraft; R7 Multiband Vertical Antenna; Aug 1992
Cushcraft; R7000 Multiband Vertical Antenna; Aug 1997
Cutting Edge Enterprises; PowerPort 73 Portable Power Supply; Nov 2004