Tag: antenna

LEO-Pack Satellite Antenna System

| abril 17, 2016

LEO-Pack Satellite Antenna System 436CP16/2MCP8A The M2 LEO-Pack offers a complete antenna system for low Earth orbit (LEO) satellite operation. Assembly is straightforward and requires a few basic hand tools. Reviewed by Peter Budnik, KB1HY With a resurgence of interest in low Earth orbiting (LEO) Amateur Radio satellites, and plans in the near future for […]

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sirio gain master homebrew

| agosto 14, 2015

Homebrew Gain Master using RG58 and 2.5mm wire. REV2: Updated 15:20 04-01-13 Evening all. Am reporting here my findings on my latest project. Homebrewing a Sirio Gainmaster antenna using commonly found bits and bobs found in the shack. Did it work? A tentative yes. It tunes – so the theory holds up well and is […]

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PA0RDT Mini Whip

PA0RDT Mini Whip

| mayo 16, 2013

The PA0RDT Mini-Whip Roelof Bakker, paOrdt History. After several fruitless attempts to make an active loop work in a city environment, it was found that the electric field from local noise sources was contained within the house. The magnetic field of local noise sources was not contained inside the house, making weak signal reception at […]

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Topfkreis Antenna VHF

| marzo 23, 2013

Antenna VHF “Topfkreis” Girovagando per la rete alla ricerca di informazioni sulla Sperrtopf mi sono imbattuto in questa variante, chiamata Topfkreis. Rispetto alla sperrtopf l’alimentazione viene portata all’esterno tramite un forellino dal quale fuoriesce un filo di rame collegato ad un bocchettone UHF. Durante la fase di reperimento dei materiali ho recuperato uno spezzone di […]

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Sperrtopf Antenna VHF

| marzo 22, 2013

Antenna VHF “Sperrtopf” Questa antenna, brevettata nel 1937 e successivamente ripresa da un radioamatore svizzero, si caratterizza per la costruzione robusta e per l’assenza di un piano di massa. Dopo la costruzione della ground plane mi sono incuriosito verso questo progetto, fino a decidermi ad affrontare la realizzazione. Materiale occorrente: Tubo in rame crudo ø10mm, […]

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New Cushcraft R9 HF antenna

New Cushcraft R9 HF antenna

| marzo 10, 2013

By admin Cushcraft R9 covers 6,10,12,15,17,20,30,40,80 Meters. NO GROUND SYSTEM OR RADIALS NEEDED RUGGED CONSTRUCTION INSTANT BAND CHANGING SLIM LOW PROFILE SILHOUETTE This multiband vertical designs provide 9 band coverage encompassing the 6, 10, 12, 15, 17, 20, 30, 40 and 80 meter bands. Cushcraft achieved a major breakthrough in the development of an HF […]

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