Radio Signals: What happens if there’s a hill in the way?

Radio Signals: What happens if there’s a hill in the way?
Radio Signals: What happens if there’s a hill in the way?

“Let us understand what happens if you have a hill or mountain in the way of your radio signal because I recently published a video showing you what happens if you have a slope going towards the target! This is the other way around. We can calculate the angle between you and the hill and then work out the losses. 73. Callum.”

target=”_blank” href=”https://qrznow.com/category/ham-radio-antena/”>Antenna

target=”_blank” href=”https://qrznow.com/build-pennyloop-uhf-antenna/”>Build the Pennyloop UHF Antenna

target=”_blank” href=”https://qrznow.com/build-pennyloop-uhf-antenna/”>Build the Pennyloop UHF Antenna

by Pennyloop The Pennyloop UHF antenna offers high performance in a very simple and cost effective design. It is also a very compact design lending it… target=”_blank” href=”https://qrznow.com/build-pennyloop-uhf-antenna/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/lesson-6-1-antenna-basics/”>Lesson 6.1 Antenna Basics

target=”_blank” href=”https://qrznow.com/lesson-6-1-antenna-basics/”>Lesson 6.1 Antenna Basics

Antenna Basics “General Class Ham Radio instructional video, introduces Section 6.1 in the ARRL General Class License Manual. The section is ext… target=”_blank” href=”https://qrznow.com/lesson-6-1-antenna-basics/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/6-meter-beam-antenna/”>6 Meter Beam Antenna

target=”_blank” href=”https://qrznow.com/6-meter-beam-antenna/”>6 Meter Beam Antenna

6 Meter Beam Antenna 1.5 KW Power Handling Capacity Transmits and receives in an uni-directional (one direction) pattern Horizontal and Vertical Polar… target=”_blank” href=”https://qrznow.com/6-meter-beam-antenna/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/uhf-vhf-antenna-08-ant-0861/”>UHF VHF Antenna 08-ANT-0861

target=”_blank” href=”https://qrznow.com/uhf-vhf-antenna-08-ant-0861/”>UHF VHF Antenna 08-ANT-0861

UHF VHF antenna 08-ANT-0861 has a 25MHz – 6GHz frequency range. This HAM radio base station antenna and two way radio antenna is for land mobile radio… target=”_blank” href=”https://qrznow.com/uhf-vhf-antenna-08-ant-0861/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/3d-printing-a-ham-radio-dipole-center/”>3D Printing – A Ham Radio dipole center with BNC and 1:1 balun

target=”_blank” href=”https://qrznow.com/3d-printing-a-ham-radio-dipole-center/”>3D Printing – A Ham Radio dipole center with BNC and 1:1 balun

Showing how easy and quick it is to design a custom center insulator for a dipole Here’s the 3D part if you want to print one for yourself…. target=”_blank” href=”https://qrznow.com/3d-printing-a-ham-radio-dipole-center/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/dcu-3-programmable-rotator-controller/”>DCU-3 Programmable Rotator Controller

target=”_blank” href=”https://qrznow.com/dcu-3-programmable-rotator-controller/”>DCU-3 Programmable Rotator Controller

  DCU-3 Programmable Rotator Controller6 Programmable memories; Point & shoot and manual control!DCU-3 Digital Controllers feature six presets for… target=”_blank” href=”https://qrznow.com/dcu-3-programmable-rotator-controller/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/using-a-mobile-hf-antenna-in-a-fixed-location/”>Using a Mobile HF Antenna in a Fixed Location

target=”_blank” href=”https://qrznow.com/using-a-mobile-hf-antenna-in-a-fixed-location/”>Using a Mobile HF Antenna in a Fixed Location

“Tom, N6AJR, is a older gentleman who has some trouble getting around, and he would like to mount one of his mobile antennas to a metal picnic t… target=”_blank” href=”https://qrznow.com/using-a-mobile-hf-antenna-in-a-fixed-location/” class=”read-more-link”>Read more


target=”_blank” href=”https://qrznow.com/category/review/”>Review

target=”_blank” href=”https://qrznow.com/tinysa-spectrum-analyzer-review/”>tinySA Spectrum Analyzer review

target=”_blank” href=”https://qrznow.com/tinysa-spectrum-analyzer-review/”>tinySA Spectrum Analyzer review

Tinysa 100kHz-350MHz 2.8 Inch Handheld Two Inputs Tiny Spectrum Analyzer Touch Screen Spectrum Analyzer 100 KHz-350MHz Input Frequency Features: Displ… target=”_blank” href=”https://qrznow.com/tinysa-spectrum-analyzer-review/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/sunsdr-mb1-by-expert-electronics-review-and-walk-through/”>SunSDR MB1 by Expert Electronics – Review and walk through

target=”_blank” href=”https://qrznow.com/sunsdr-mb1-by-expert-electronics-review-and-walk-through/”>SunSDR MB1 by Expert Electronics – Review and walk through

Here is a quick tour of the SunSDR MB1 by Expert Electronics. It’s an operator’s point of view and a simple walk through this great HF rad… target=”_blank” href=”https://qrznow.com/sunsdr-mb1-by-expert-electronics-review-and-walk-through/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/ailunce-hs2-all-band-all-mode-sdr-transceiver-first-look-video/”>Ailunce HS2 All Band All Mode SDR Transceiver – First Look [ VIDEO ]

target=”_blank” href=”https://qrznow.com/ailunce-hs2-all-band-all-mode-sdr-transceiver-first-look-video/”>Ailunce HS2 All Band All Mode SDR Transceiver – First Look [ VIDEO ]

Here we take a first look at the new Ailunce HS2 All Band All Mode SDR Transceiver. HS2 is an ultra-portable full-frequency full-mode SDR radio. Recei… target=”_blank” href=”https://qrznow.com/ailunce-hs2-all-band-all-mode-sdr-transceiver-first-look-video/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/tools-for-every-ham-arrl-podcast/”>Tools for Every Ham [ ARRL PODCAST ]

target=”_blank” href=”https://qrznow.com/tools-for-every-ham-arrl-podcast/”>Tools for Every Ham [ ARRL PODCAST ]

The Doctor discusses basic tools that every amateur should have in his or her station.    target=”_blank” href=”https://qrznow.com/tools-for-every-ham-arrl-podcast/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/review-of-sdrplay-sdrduo-two-tuner-sdr-radio/”>Review of SDRplay SDRduo Two-Tuner SDR Radio

target=”_blank” href=”https://qrznow.com/review-of-sdrplay-sdrduo-two-tuner-sdr-radio/”>Review of SDRplay SDRduo Two-Tuner SDR Radio

“SDRplay has done it again with an outstanding and technically sophisticated software-defined radio that even at $280 is still a bargain. The vi… target=”_blank” href=”https://qrznow.com/review-of-sdrplay-sdrduo-two-tuner-sdr-radio/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/dv4home-basic-setup-and-menu-navigation/”>DV4home – Basic setup and menu navigation

target=”_blank” href=”https://qrznow.com/dv4home-basic-setup-and-menu-navigation/”>DV4home – Basic setup and menu navigation

This is the part 1 video of the DV4home, showing the basic setup and menu navigation.   target=”_blank” href=”https://qrznow.com/dv4home-basic-setup-and-menu-navigation/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/manufacturers-showcase-carston-esch-dl6lau-with-wimo/”>Manufacturers Showcase: Carston Esch, DL6LAU with Wimo

target=”_blank” href=”https://qrznow.com/manufacturers-showcase-carston-esch-dl6lau-with-wimo/”>Manufacturers Showcase: Carston Esch, DL6LAU with Wimo

Carston Esch, DL6LAU, Sales Manager for Wimo will join us on this weeks episode of the Manufacturers Showcase with Tim, K3LR target=”_blank” href=”https://qrznow.com/manufacturers-showcase-carston-esch-dl6lau-with-wimo/” class=”read-more-link”>Read more


target=”_blank” href=”https://qrznow.com/category/equipment/”>Equipment

target=”_blank” href=”https://qrznow.com/nice-presentation-of-power-genius-xl-by-dan-n7hq-video/”>Nice presentation of Power Genius XL by Dan, N7HQ [ VIDEO ]

target=”_blank” href=”https://qrznow.com/nice-presentation-of-power-genius-xl-by-dan-n7hq-video/”>Nice presentation of Power Genius XL by Dan, N7HQ [ VIDEO ]

QSO Today Expo March 2021 – Dan N7HQ gives us an overview of the PGXL and its features. target=”_blank” href=”https://qrznow.com/nice-presentation-of-power-genius-xl-by-dan-n7hq-video/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/the-foxx-3-transceiver-80m-60m-40m-30m-20m-versions-available/”>The Foxx-3 Transceiver – 80m, 60m, 40m, 30m, 20m versions available

target=”_blank” href=”https://qrznow.com/the-foxx-3-transceiver-80m-60m-40m-30m-20m-versions-available/”>The Foxx-3 Transceiver – 80m, 60m, 40m, 30m, 20m versions available

  Connections are as follows: antenna via 50 ohm BNC, power via 2 pin 0.1″ header, headphones via 3.5mm mono or stereo jack plug or 2 pin h… target=”_blank” href=”https://qrznow.com/the-foxx-3-transceiver-80m-60m-40m-30m-20m-versions-available/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/colibrinano-direct-sampling-hf6m-receiver-user-manual/”>ColibriNANO Direct Sampling HF/6M receiver [ User Manual ]

target=”_blank” href=”https://qrznow.com/colibrinano-direct-sampling-hf6m-receiver-user-manual/”>ColibriNANO Direct Sampling HF/6M receiver [ User Manual ]

  target=”_blank” href=”https://qrznow.com/colibrinano-direct-sampling-hf6m-receiver-user-manual/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/the-yaesu-ft-891-specifications/”>The Yaesu FT-891 | Specifications

target=”_blank” href=”https://qrznow.com/the-yaesu-ft-891-specifications/”>The Yaesu FT-891 | Specifications

   Yaesu FT-891 HF/50MHz 100W All Mode Transceiver – FT-891 ·         Rugged construction in an ultra-compact body 6.1” x 2.0” x 8.6” (152 x 52 x… target=”_blank” href=”https://qrznow.com/the-yaesu-ft-891-specifications/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/icom-ic-718-hf-transceiver/”>Icom IC 718 – HF Transceiver

target=”_blank” href=”https://qrznow.com/icom-ic-718-hf-transceiver/”>Icom IC 718 – HF Transceiver

Icom IC 718 – HF Transceiver  THE ORIGIN OF THE HF TRANSCEIVER Simple operation The IC-718 is equipped with a minimum number of buttons and cont… target=”_blank” href=”https://qrznow.com/icom-ic-718-hf-transceiver/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/rotator-genius/”>Rotator Genius – 4O3A

target=”_blank” href=”https://qrznow.com/rotator-genius/”>Rotator Genius – 4O3A

Rotator Genius is a smart rotator controller that uses a magnetic sensor for reading azimuth. It can be controlled by a Windows or Android app. Motor… target=”_blank” href=”https://qrznow.com/rotator-genius/” class=”read-more-link”>Read more

target=”_blank” href=”https://qrznow.com/tech-out-of-the-xiegu-xpa125b-auto-tuner-amplifier/”>Tech-out of the Xiegu XPA125B Auto Tuner + Amplifier

target=”_blank” href=”https://qrznow.com/tech-out-of-the-xiegu-xpa125b-auto-tuner-amplifier/”>Tech-out of the Xiegu XPA125B Auto Tuner + Amplifier

Today we take a look at the Xiegu XPA125B QRP Amplifier and Auto Tuner hooked up to the Icom IC-705. This amp will work with a variety of QRP rigs inc… target=”_blank” href=”https://qrznow.com/tech-out-of-the-xiegu-xpa125b-auto-tuner-amplifier/” class=”read-more-link”>Read more

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Author: iz4wnp