Calculate lengths for 1/4 Wave ground plane, 5/8 Wave Verticals, Dipole, and Inverted Vee types. Input desired TX or RX frequency to determine resonant wire length. Adjust for close resonance without an ATU.
Real-time propagation data provides solar and geomagnetic insights for QSO planning. DX cluster viewer displays active DX spots. Calculate antenna lengths and tune dipoles. Check frequency bands and propagation conditions.
Calculate component values for desired corner frequency, resistance, capacitance, or inductance. Find combinations of resistors, capacitors, and inductors. View detailed calculations and formulas. Export results. Remove ads with PRO version.
Calculate antenna lengths for dipoles, inverted vee, and vertical antennas in feet/inches or metric. Input frequency and select antenna type to get starting length. View 1/8, 1/4, 1/2, 5/8, and full wave options.
Tools for professionals include real-time analysis with SPL display, tone and noise generation, wavelength calculation, UHF frequency reference, antenna line loss assessment, microphone gain calculation, and recording/playback of test signals.
Calculate turning operations with spindle speed, feed rate, and tool engagement angle inputs. Determine cutting time and material removal rates. Convert imperial to metric units. Store and recall frequently used settings.
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.
Identify using an AI model. Test knowledge with 2000+ . Earn 5 points per correct answer, lose 3 for incorrect ones. Retake levels to improve score. Track progress through levels requiring 25 points to advance.
Helps users align satellite antennas by selecting from four antenna types: offset, special design, parabolic, and flat. It guides users through four steps to adjust the antenna position for optimal signal reception.
Create photos by setting diameter in pixels, millimeters, centimeters, or inches. Import or capture photos, zoom, and move images. Edit with filters, focus, effects, and text. Adjust colored borders. Save, print, email, or share the final image.