RigPix logo

CB/Freeband logo

Back to main

Back to CB & "Freeband"

Next mobile

President logo

Copyright logo

Last modified 2022-02-24

Valid HTML 4.01 Transitional

President Jackson (Mk1)

A picture of President Jackson (Mk1)


Type:Citizen band / "Freeband" / Export transceiver
Frequency range: 26.065-28.315 MHz in five bands:
A:   26.065-26.505 MHz
B:   26.515-26.955 MHz
C:   26.965-27.405 MHz
D:   27.415-27.855 MHz
E:   27.865-28.305 MHz +10 KHz
Channels / tuning steps:226 (Including +10 KHz channels)
Mode:AM / FM / SSB
Frequency control:PLL (MC145106)
Frequency stability:0.001% @ -20 to +50C (-4 to 122F)
Clarifier or Delta tune:Coarse (RX/TX): 5 KHz
Fine (RX): 1.25 KHz
Power supply:11.7-15.9 VDC (3-pin connector)
Current drain / power consumption:RX: 0.5-1 A
TX: Max 3 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):200*60*260 mm (7.9*2.4*10.24")
Weight:2.2 Kg (5 lb)
Other features:PA. +10 KHz switch. ANL/NB. Roger beep.

Receiver system: Single conversion superheterodyne (AM/SSB)
IF: 10.695 MHz
Double conversion superheterodyne (FM)
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity: AM: 0.5 uV (10 dB S+N/N)
FM: 0.5 uV (20 dB S+N/N)
SSB: 0.15 uV (10 dB S+N/N)
Selectivity: AM/SSB: 4.2 KHz (-6 dB), 7.5 KHz (-60 dB)
FM: 7 KHz (-6 dB), 15 KHz (-60 dB)
Image rejection:60 dB
AF output power / speaker:3 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm

RF output power: AM/FM: 10 W
SSB: 21 W
Modulation system:
FM deviation (Factory set):1.5 KHz
Spurious emissions:Better than -50 dB
Microphone impedance/connector:600 ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV

Manufactured:Taiwan, 198x-198x (Discontinued)
Main PCB:PB-042AB by Uniden
Sub PCBs:
Additional info:The Mk1 version was also available in black.
Related documents: User manual (960 KB)
Service manual (1.6 MB)
PLL: MC145106
Sams Photofact #:None
Modifications and fixes:
Options / Accessories:
- -