Tasty » Adam Sampson's hf bookmarks

Aerial Analyser Details edit / delete

In terms of features, pretty much a DIY MFJ-259 -- but built entirely out of common components, and including source code for the microcontroller.

to amateur analyser antenna electronics hf radio test-equipment ... on 27 February 2012

Welcome to the PA3CSG website! edit / delete

Big RF amplifiers with cheap Russian valves, and serious filters for them.

to amateur amplifier electronics hf radio rf valve vhf ... on 27 February 2012

Ten Dollar Miracle Whip Clone edit / delete

Neat idea for an adjustable inductor: modify a wirewound pot.

to antenna electronics hf radio ... on 27 February 2012

Bucky's Scanning Website edit / delete

Detailed bandplans that include PMR stuff. (And, um, a lot of more dubious rubbish.)

to hf radio uhf vhf ... on 17 July 2011

Multiband HF Center-Loaded Off-Center-Fed Dipole (or Windom) Antenna - HAMwaves.com edit / delete

Taking the Windom idea a bit further with traps. Neat, and good description.

to antenna hf radio windom ... on 04 July 2011

Index - MARTIN - G8JNJ edit / delete

Assorted radio projects; the page on measuring balun loss is good.

to antenna balun electronics hf radio rf ... on 16 May 2011

Main Page - HF Underground edit / delete

Radio-related wiki; lots of stuff on HF pirates, utility stations, and so on.

to hf radio shortwave swl ... on 11 May 2011

EiBi edit / delete

Shortwave schedules.

to broadcast hf radio shortwave swl ... on 01 May 2011

FiFi-SDR edit / delete

... and yet another SDR receiver. This one looks quite neat, but it doesn't have a preselector built in -- which means it can receive VHF by using harmonics, but you really would need to build some filters to make it useful.

to electronics hf radio sdr ... on 27 April 2011

Soft66 edit / delete

More SDR kits.

to electronics hf radio sdr ... on 18 April 2011