FORMULAS
This section of our website is dedicated to useful formulas and on-line calculators in which our customers might be interested.
Click on one of the category sections below:
- TPO/ERP Calculations.
- Power Calculations.
- Chart of Coax Power Ratings for FM to check against your TPO, allows for VSWR up to 1.3:1
- Calculate VSWR from forward and reverse powers
- Compare several HD™ Configurations (TPO estimates)
- Print a Plate Volts vs. Amps for Indirect Power Calculation (FM)
- Will a given coax size support the desired TPO’s
- Distance, Coordinates, Fresnel Calculations
- Conversions
- How to convert from dBi to dBd
- Conversions among units of measurements
- Decimal to Sexagesimal Conversion for Latitude and Longitude
- Convert between mV/M and dBu
- Convert between Return Loss and VSWR
- Convert FCC Channel Number to frequency
- Convert English – Metric Bolt Sizes
- Convert Cricket Chirps to temperature
- Convert (a filter) dB insertion loss to efficiency (%)
- Miscellaneous
- Figure the frequencies for Inter Modulation Products
- What size PVC conduit is needed for a given bundel of wires
- Starting point for the AM ball gap setting
- How much does rigid line length change for a given temperature change
- Will an AM-FM bazooka section work in lieu of an isocoupler
- What size dehydrator is needed
- How many BTU’s are generated by a filter at a given RF power
- Values for “T” or “Pi” resitive pads
- Create a Resistor Value from your junque box
- How much loss is there from coupling between antennas (antennas above/below on tower or from tower to tower at same height)
