Corredare gli apparecchi ricetrasmittenti autocostruiti e soppiantare gli strumenti analogici di controllo per S-meter e lettori di frequenza
post 01 Jan 2022


Projects_Homebrew Links

175



Simple electronic keyer
This circuit in figures 1a and 1b is a simple keyer which can be built

Simple Noise Generator
As a signal source I thought about noise because we knew from school that all frequencies were present

Keyer ETM-5C Elektronik
The electronics should no menus and double occupied

Building A High Voltage
I stumbled on an article by a german ham and materials engineer

Installing long wire antenna
Installing a long wire antenna when the only best way is to attach one end to a tree

10 m| 12 m| 15 m|
17 m 20 m| 2 m|
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6 m| 70 cm| 60 m| 80 m| 160 m| 136 khz| 630 m|
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