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Antenna slim jim 144 Mhz
Given its very average rigidity it will advantageously be suspended from a polyamide cord stretched between two supports a few meters rom the ground, the feeder coaxial RG 58 freely
post 14 Oct 2024
Antenna for UHF VHF Links →
collineare 900MHz
Per le prove ho utilizzato uno spezzone di cavo RG213, ma qualsiasi altro cavo puo' andar ben
Double 5/8 Flower Pot Antenna
Constructing the antenna using RG59 75 OHM solid dielectric cable and bringing the feed co-axially down through the bottom element as below
Folded dipol for 2 mtr and 70cm
Dual Alford Slot Antenna
155
Per le prove ho utilizzato uno spezzone di cavo RG213, ma qualsiasi altro cavo puo' andar ben
Constructing the antenna using RG59 75 OHM solid dielectric cable and bringing the feed co-axially down through the bottom element as below
Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice
Amateur radio kits by Kanga US
50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal