P3 International; Kill-A-Watt Electric Usage Monitor; Jun 2006
PacComm; Pactor Multimode Controller; Jan 1993
PacComm; PSK-1T Satellite Modem and TNC; Jul 1993
PacComm; TINY-2 MK 2 Packet TNC; Dec 1993
PacComm; TINY-2 MK-2 GPS-Compatible TNC; Oct 1995
PacComm; TNC-200 Terminal Node Controller; Jun 1987
PacComm; TNC/NB-96 1200/9600 bit/s Dual TNC; Sep 1994
Palomar; AN7 (Antronic Multiwhip) HF/VHF Mobile Antenna; Mar 1998
Palomar Engineers; R-X Noise Bridge; Jan 1977
Palomar Engineers; VLF Converter; Aug 1978
Palomar Engineers; VLF Converter; Jan 2000
PALSTAR; AT-AUTO ANTENNA TUNER; Aug 2006
PALSTAR; AT1500BAL Antenna Tuner; Sep 2004
PALSTAR; AT1500CV; Feb 2003
PALSTAR; AT4K Antenna Tuner; Sep 2004

Palstar; Palstar BT-1500A High Power Balanced Antenna Tuner; Mar 2013
Palstar; Palstar PM2000A; Mar 2009
Palstar; R30 Shortwave Receiver; Nov 2002
PALSTAR; WM150 Wattmeter; Jul 2002
Palstar; ZM-30 Digital Antenna Z Bridge; May 2005
Panasonic; RF-B45 Portable Shortwave Receiver; Aug 1997
Par Electronics; 20 Meter End-Fed Dipole Antenna; Feb 2007
Par Electronics; SM-50 6-Meter Stressed Moxon Antenna; Mar 2004
Parks Electronics; 432-3 UHF Converter; Oct 1966
Patcomm; PC-16000 HF Transceiver; Feb 1998
Patcomm; PC-16000A HF Transceiver; Dec 2000
Patcomm; PC-9000 HF Plus 6-Meter Transceiver; Nov 1999
PC Electronics; TC70-10 70-cm ATV Transceiver; Dec 1998
Peet; Ultimeter 2100 Weather Station; Jan 2003
Penniman-Rasmussen; TVI Filters; May 1976
Petit Logic Systems; MT-5 Morse to Teletype Code Translator; Aug 1973
Pickering; KB-1 Keyboard Keyer; Aug 1970
Pickering Radio Company; K-1 Electronic Keyer; Aug 1969
PIPO Communications; PP-1 & PP-2 Tone Encoders; Feb 1977

Pixel Technologies; RF PRO-1B Active Receiving Loop; July 2012

Powerwerx SS-30 DV DC Power Supply, February 2012
Processor Technology; 8KRA Static Memory Module; May 1977
Processor Technology; SOL-20 uComputer; Jul 1977
Processor Technology; VDM-1 Video Display Module; Mar 1977
Propagation Products; Insulators and Quad Kit; Mar 1978
PROSISTEL; PST-641D Rotator; Sep 2005
Pryme; PR-222 222-MHz Handheld FM Transceiver; Jan 1999
Pryme; PR-52 6-Meter Handheld FM Transceiver; Jan 1999