“CQ Satellite” ORARI South Jakarta

On August 12, 2017, ORARI Local South Jakarta (Operation & Techinical Division) was organizing a tactical workshop to learn and know how about AMSAT or Amateur Radio Satellite and making an antenna for doing QSO within Satellite elapse through YB land. Moxon Antenna is a suitable antenna for this workshop project and the participants did…

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Merancang Antena Vertikal Top-Loaded 80 m Band, Bagian 1

Peringatan :  Proses perancangan dan perhitungan pada tulisan ini menggunakan angka yang diambil dari asumsi penulis. Tujuan dari tulisan ini adalah sebagai perkiraan kasar (“ballpark estimation / quick and dirty calculation”). Angka hasil perhitungan yang sebenarnya sangat bergantung pada kondisi lingkungan dan karakter ground di tempat pemasangan antena.   Beberapa waktu lalu Mr. Igor Khrustalev…

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EFHW – Antena ter-FAVORIT tahun 2014

Pada awal tahun 2014 silam SOTAbeams Co. UK mengadakan survey kecil-kecilan dg SATU pertanyaan: “What is your favourite PORTABLE antenna?” Niatan untuk menggelar survei ini bukannya untuk menemukan apa yang para amatir radio pikirkan sebagai antena portable yang berkinerja terbaik, tetapi lebih untuk mengetahui antena apa yang sebenarnya ingin atau sudah mereka pakai /digunakan dalam…

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Force 12 XR6 Product Review

Reviewed by Mark J. Wilson, K1RO, QST Product Review Editor, k1ro@arrl.org. In 2013, I cleared some trees and installed an InnovAntennas DESpole rotary dipole for 20, 15, and 10 meters on a decommissioned utility pole in my woods. That antenna worked fine, and I made thousands of contacts with it. Last April, I installed inverted V antennas for 12 and 17 meters in preparation for operating…

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Antennae for the Low Bands..80 and 160m

 http://www.iol.ie/~bravo/low_band_antennae.htm#My K9AY RX Antenna Antennae for the Low Bands..80 and 160m If you listen to the DX activity on the Low bands, you’d be forgiven for thinking that you’re wasting your time unless you have a 4 Square Array, 20 acres of Beverage antennae, a huge Amplifier, and a neck like an anvil.. We probably…

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Vertical Dipole Antennas (VDA) by F4BKV Vincent

http://www.f4bkv.net/index.php Vertical Dipole Antennas (VDA) by F4BKV Vincent Why using Vertical Dipoles: Everything starts in summer 2011, when i had to prepare antennas for the upcoming 2012 Pacific DXpedition (VP6T, TX6T, E51BKV, FK/F4BKV). I was always impressed by the strong signals VP6DX (Ducie Isl.) got with their VDA and I tried to make similar (but…

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S9v43 Vertical Antenna

http://www.ldgelectronics.com/c/252/products/16/62/2 S9v43 Vertical Antenna Description     The S9v43 is a heavy-duty, telescoping, self-supporting fiberglass vertical designed for Amateur Radio use from 80 through 6 meters. The S9v43 weighs under 9 pounds, making it the lightest tall vertical on the market. The S9v43 is just over 42′ tall and has the same 50 Ohm resonant frequency…

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