🛠 Делаем антенный переключатель (коммутатор) на два положения. Сравнение параметров с OPEK CX-201 U.

Continuation of "📌 UPD. Measurements of the parameters of a homemade antenna switch on the NanoVNA – SWR, Attenuation, Isolation."    • 📌 UPD. Замеры параметров самодельного анте...   ☛ Cone (step) drill: http://ali.pub/54ud50 ☛ SO-239 connectors purchased here: http://ali.pub/54ucsk ☛ Enclosure (50*50*31 mm): http://ali.pub/56kis1 Enclosure (CHIP and DIP): https://www.chipdip.ru/product/b035 TP1-2 toggle switch (CHIP and DIP - "cost 50 rubles on the market"): https://www.chipdip.ru/product/tp-1-2 ✅ This switch can be used: for its intended purpose, to alternately connect two different antennas to a receiver or transceiver; to alternately connect two receivers or transceivers to a single antenna; as a switch to disconnect the antenna from the receiver or transceiver and connect it to ground. ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ 🛎 SUBSCRIBE: ☛ YouTube channel:    / r4hfz   ☛ VKontakte group: https://vk.com/r4hfz_charly ☛ Telegram channel: https://tlgg.ru/r4hfz_charly ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ 👍 Popular and useful videos on the "Uncle Charlie's Radio" channel: ✅ ALL PLAYLIST "NanoVNA (NanoVNA) - VECTOR ANALYZER":    • NanoVNA (NanoVNA) - ВЕКТОРНЫЙ АНАЛИЗАТОР   ✅ "The Smith Chart - It's Very Simple!":    • Диаграмма Смита (Smith chart) – это очень ...   ✅ "NanoVNA CALIBRATION, FREQUENCY RANGE SELECTION, SMITH CHART, MEASURING HF and VHF ANTENNAS, MEASURING FILTERS, FEEDER CABLES, AND DUPLICATORS":    • NanoVNA (NaNo VNA) - КАЛИБРОВКА,  Диаграмм...   ✅ Linux Installation for Radio Amateurs (KB1OIQ - Andy's).    • Установка Linux для РАДИОлюбителя. Install...   ✅ HDSDR 2.80 INSTALLATION and SETUP for RTL-SDR V.3 (Similar to DVB-T/DAB tuners based on RTL2832):    • УСТАНОВКА и НАСТРОЙКА HDSDR 2.80 для RTL-S...   ✅ Quansheng TG UV2 Plus - the most affordable SUPERHET!:    • Quansheng TG UV2 Plus - самый бюджетный СУ...   ✅ MSI.SDR (SDRPLAY RSP1 CLONE):    • 📡 MSI.SDR (SDRPLAY RSP1 CLONE)   ✅ All channel PLAYLISTS: https://www.youtube.com/c/r4hfz/playl... 👍 Links to "HAM RADIO" products from AliExpress (TOP 5 positive reviews from channel subscribers): 📌 1) NanoVNA (Kaisaya is the first reliable store on AliExpress to start selling NanoVNA in early 2019. I bought the NanoVNA here (FULL KIT - battery installed, O/S/L calibration kit + 30 cm RG174 cable + SMA female-to-female adapter, USB Type-C cable for charging and PC connection, back then it didn't come with a case) http://ali.pub/3m9nsl NanoVNA-H and NanoVNA-H4 from Kaisaya (IN A BOX, FULL KIT): http://ali.pub/4nejh8 📌 2) Quansheng TG UV2 Plus - the most affordable superheterodyne. Purchased here: http://ali.pub/3irghw (Shipping from Russia) 📌 3) RTL-SDR V3 (Receiver, Dongle, "Whistle") Purchased on the official website: www.rtl-sdr.com Can be purchased from the official AliExpress online store: http://ali.pub/4n6mue (IMPORTANT! Only one store on AliExpress is official, called "RTLSDRBlog Store".) 📌 4) MSI.SDR - SDRPLAY RSP1 CLONE. (Receiver, Dongle, "Whistle") Purchased here: http://ali.pub/3txngu 📌 ​​5) Zastone Z218 UHF/VHF Car Radio (VHF Transceiver). Purchased here (shipping from Russia): http://ali.pub/3esjl7 #ANTENNA #SWITCH #COMMUTATOR