AG6JU WEB SITE ( IPv6 )
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AG6JU WEB SITE ( IPv6 )
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I work as electronics circuit designer for small companies do not need full time person, or companies who need temporary/part time worker. mostly RF design below 1000 MHz, PCB layout, firmware programming with C. experience with designing to pass FCC parts 15, 90, 95, 97 devices.
[ those files below are reference only, just showing what I done to my radio or equipment, NOT intended for instruction on how to repair or modify ]
Vtech CS-6309 handset unit re-register to different base unit.
code.zip – Morse Code Program download ( DOS program, best run with DOSBOX )
Ionogram Data ( Vertical HF radar of ionosphere )
Radio Mobile ( Free Radio Coverage simulation )
Ameritron-AL-811--1995---internal-pictures.zip
TECSUN-PL-660-shortwave-radio-receiver.zip
wouxun--KG-UV3D---144MHz--222MHz--dual-band-HT---pictures.zip
yaesu--FT-1500-internal-picture.zip
BNC-connector-wrench--home-made.pdf
GRECOM-PSR-300--battery-slow-charging-mods.pdf
GRE-PSR-300-earphone-jack-to-speaker-jack--increase-audio-output-level.pdf
MFJ-962D-added-ball-bearing-to-inductor-shaft.pdf
Radio-Shack-DX-398-Sangean-ATS-909--FM-broadcast-frequency-expansion.pdf
TEN-TEC--OMNI-V---562--picture-inside.zip
TEN-TEC--OMNI-V---562---manual-schematic.7z
TEN TEC OMNI-V mods to power adjustable to below 5 watts.pdf
ten-tec-omni-v--audio-pop-noise-mods-2011-09-30.pdf
TEN-TEC-OMNI-V--CW-RX-W-NOISE-BLANKER-ON-AND-OFF.mp4
TEN-TEC--OMNI-V--CW-RX-w-remark.mp4
TEN-TEC-OMNI-V--replaced-Relay-output-with-MOSFET.pdf
TEN-TEC--OMNI-V--work-down-to-9V-mod.pdf
Yaesu_FT-2800M--loose-knob-dial-FIX.pdf
yaesu-ft-2800m--adding--external-fan.pdf
YAESU-FT-2800M--INTERNAL-PACKET-APRS-CONNECTION-MOD-w-mic-mute-2014-07-11-1.pdf
yaesu--FT-450D--20dB--ATT--disable--below-1700kHz--change.pdf
6kHz wide FM ( can be used for HF ? )
Bandwidth Efficiency of ( Morse Code / CW ) and ( Voice / SSB ).
GENIE-series-2-garage-door-opener-control-schematic.html
samsung_washer__WF306LAW_XAA Repair
CB or HF antenna mount using Attachable TOW HOOK came with car.
Suction antenna mount (used for moving glass). Since it does NOT have good ground, must be used with Half Wave Antenna. Half Wave design antenna, such as MFJ-1412 does not require good ground plane.
2023-12-16