« earlier | later » Page 2 of 6
Defunct packet group, but useful projects, including a simpler 9600-baud modem.
to amateur electronics modem packet radio ... on 04 July 2011
Useful information (lists of packet nodes, etc.).
Interesting bits on building amplifiers, and how to properly maintain crank-up antenna towers (it's remarkably complicated).
to amateur amp electronics hf mechanica radio retrotech rf ... on 11 April 2011
Electronics tech in a chemistry department with an impressive collection of old radio gear. Lots of pictures, schematics, etc.
Including investigations into multiturn loops. (Aegis on #hamradio.)
Homebrewing for the higher bands.
to amateur electronics microwave radio ... on 27 February 2011
Converting CB radios for use on various amateur bands (not just 10m -- he walks through a conversion for 4m!).
to amateur cb electronics hf radio vhf ... on 23 January 2011
A (relative) local with lots of VHF-and-higher information.
to amateur electronics eme microwave radio vhf ... on 16 January 2011
The Four Metres Website - Home
Lots of useful resources for the low VHF bands.
« earlier | later » Page 2 of 6
| - amateur | |
| 1 | 4m |
| 1 | 6m |
| 11 | aerial |
| 59 | amateur |
| 1 | amp |
| 5 | amplifier |
| 2 | amusements |
| 1 | analyser |
| 3 | antenna |
| 1 | aprs |
| 1 | arm |
| 1 | atv |
| 1 | audio |
| 1 | ax24 |
| 2 | ax25 |
| 1 | baofeng |
| 3 | beacon |
| 4 | cb |
| 1 | china |
| 1 | codec |
| 1 | coil |
| 1 | compression |
| 1 | digimodes |
| 1 | digital |
| 1 | echolink |
| 8 | eh |
| 29 | electronics |
| 1 | eme |
| 1 | filter |
| 1 | gps |
| 1 | hellschreiber |
| 17 | hf |
| 1 | history |
| 1 | inductor |
| 5 | isotron |
| 4 | kits |
| 1 | led |
| 2 | lf |
| 1 | light |
| 1 | loop |
| 2 | lpf |
| 1 | mechanica |
| 1 | mf |
| 3 | microcontroller |
| 3 | microvert |
| 2 | microwave |
| 1 | mixer |
| 1 | mkars80 |
| 1 | mobile |
| 1 | modelling |
| 2 | modem |
| 1 | nbtv |
| 1 | optoelectronics |
| 7 | packet |
| 1 | phreaking |
| 1 | psk |
| 1 | psk31 |
| 1 | psu |
| 6 | qrp |
| 59 | radio |
| 1 | raspberry-pi |
| 1 | repeater |
| 1 | retrocomputing |
| 4 | retrotech |
| 1 | reverse-engineering |
| 2 | rf |
| 1 | satellite |
| 1 | shopping |
| 1 | shortwave |
| 1 | sinclair |
| 11 | small-aerial |
| 3 | software |
| 1 | spectrum |
| 1 | spice |
| 1 | ssb |
| 1 | sstv |
| 1 | surplus |
| 1 | test-equipment |
| 2 | to-package |
| 1 | transceiver |
| 2 | transmitter |
| 2 | tv |
| 1 | uhf |
| 1 | uv3r |
| 1 | uv5r |
| 1 | valve |
| 6 | vhf |
| 1 | video |
| 1 | weather |
| 1 | wspr |
tasty by Adam Sampson.