The G4HJW Homepage
- Greetings. For those who don't me, my name is Bernie Wright, and I live near Cambridge, in England.
please click here to enter my business site
- Most of the following links are radio/electronics oriented, but not all
- If required, I can be e-mailed at: bernie (at) metahusky.net - I will try to reply to all sensible mailing
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10 GHz Narrowband:
- the line of sight band that isn't
A (re) introduction to 10 GHz via satellite LNBs
Measurements on two well known waveguide filters
Gallery of satellite LNB modifications
Some audio and video clips showing multipath/doppler propagation effects
GB3CAM 3cm and
1.2cm beacon site
Low cost construction
using surplus satellite LNBs (Sheffield talk, 2008)
Microwave construction
on a shoestring (Sheffield talk, 2008) a few
Quasi high LNB LO frequency
stability - with no modification to
LNB! NEW
Build details for 3cm
converter kit based on above Cambridge radio club project
Miscellaneous
radio:
23cm PA using Erikson
PTF10137 sm device
Whistler ELF receiver
Solar flare VLF receiver
Small loop antennas (magnetic loops)
RF Capacitors - plumbing the depths
FM1100 E-band conversion to F-band (54-68MHz)
FM1100 as synthesised LO source for an HF transceiver
2.4GHz 802.11b radio survey of Little Wilbraham
Slick looking panels - or posters using A4 inkjet transparencies
Millenium shed:
Radio Astronomy topics:
18m dish - 408 and 1420 MHz focus box .....Archive, with missing links
Interferometry at 11GHz using satellite TV LNBs and dishes
SETI topics:
b) Conversion of an FM PMR receiver for use with Project Argus
c) 18 element pcb interdigital filters for 1420MHz
d) A x6 diode LO multiplier for 1275MHz (using 18element interdigital output filter)
e) A 1420/144MHz converter based on interdigital filtering
g) A diode noise source for assessing receiver sensitivity performance
General:
Table of measurements on electronically ballasted flourescent lamps
Powabyke:
There are people whom one loves immediately and forever. Even to know they are alive in the world with one is quite enough.
Nancy Spain
