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630 Meter Vertical Antenna


Fixed coil + series variable capacitor
post 25 Jan 2024
630 Meter Vertical Antenna/

630 meter Projects Links →

18



A simple arduino controlled 630 meter CW
Build a radio for the band of 630 meters, from 472 kHz to 479 kHz

DIY Projects for 630 Meters
I share some of my knowledge and experiences with others regarding the 630 Meter Amateur Band

Loop antennas for 630 meter transmitting
Example of the use of a vertical loop antenna supported by trees in a heavily wooded area

2200 and 630 Meters
The best strategy for these bands where I am constantly experimenting and trying new things


Ferrite-shop

Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice

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Amateur radio kits by Kanga US

Pcs Electronics

Pcs Electronics RF power amplifiers-pallets archives-ABC of FM AM DAB+ DRM radio transmitters

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Arduino CW Keyer

Arduino CW Keyer Questo progetto, dal nome yaacwk, sta per Yet Another Arduino CW Keyer

cw key to rig switch-box

CW Key-to-Rig Switch Box Project to switch multiple cw keys between several rig

Rf Directional Power Meter

Rf Directional Power Meter A wide dynamic range power meter using a directional coupler, AD8307 Log Amplifier and arduino microcontroller

Wireless cw iambic memory keyer

Wireless cw iambic memory keyer- Cross country wireless cw iambic memory keyer

The Vocal Keyer

The Vocal Keyer The vocal keyer for Yaesu FT1000 MarkV

Helix 2.425 GHz band

Helix 2.425 GHz band Broad bandwidth in the 2.425GHz band>

50 MHz preamp Gain 26dB with the BFG135

50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection

Bazooka Antenna Calculator

Bazooka Antenna Calculator Programma caculator for bazooka antenna,with measurements already calculated for frequeze used by radio amateurs

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