Uniden Band Plan Entry
Custom Band Plans (800 Custom, VHF, UHF) require that you enter both a lower and an upper base frequency value. Here's how to determine these values.
For sites with a single band plan:
Lower Base Frequency: Base Frequency as provided in the RRDB
Upper Base Frequency: Lower Freq + (759-Offset) *step
For sites with multiple band plans, you need to calculate the upper base frequency for each entry.
Upper Basen = Basen + (Offsetn+1 - 1 - Offsetn)*Stepn
Where:
- Basen is the lower base frequency for this entry.
- Offsetn+1 is the Offset for the next band plan (for the last table, use 760)
- Offsetn is the offset for this band plan
- Stepn is the step for this band.
For example:
Custom Frequency Table
| Base
| Spacing
| Offset
|
| 155.4150
| 15.0
| 380
|
| 157.2000
| 12.5
| 436
|
| 157.4700
| 15.0
| 454
|
Lower Base 1 = 155.415 MHz
Upper Base 1 = 155.415 MHz + (436 - 1 - 380) * 15kHz
Upper Base 1 = 155.415 MHz + 55 * 15kHz
Upper Base 1 = 155.415 MHz + 0.825 MHz = 156.240 MHz
Lower Base 2 = 157.200 MHz
Upper Base 2 = 157.200 MHz + (454 - 1 - 436) * 12.5 kHz
Upper Base 2 = 157.200 MHz + 17 * 12.5 kHz = 157.4125 MHz
Lower Base 3 = 157.470 MHz
Upper Base 3 = 157.470 MHz + (759 - 454) * 15 kHz
Upper Base 3 = 157.470 MHz + 305 * 15 kHz = 162.045 MHz
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