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Utah Simplex

I really enjoy simplex operation. There is something about having a radio to radio conversation that is satisfying to me. That being said, in Utah, there are some guidelines to using simplex that reduce repeater interferance and allow everyone to use simplex.

  1. 156.520 and 446.000 are national calling freqencies and are reserved for simplex operation. If you are going to have a long conversation, consider moving to another frequency in case someone else needs to call out.
    1. Do not plan scheduled nets on these frequencies
    2. Do not use a Hotspot or other digital bridge on these frequencies
    3. Do not operate a crossband repeater on these frequencies
  2. 145.670 has been widely used nationwide for D-Star simplex. If you need to use this for anything other than D-Star, please use a lower power as to not cause interferance to others.
  3. 438.4625, 438.475, 438.500, and 438.5125 are requested for digital modes only. Similar to the D-Star simplex, please use a lower power if you need to use these frequencies.
  4. 438.450 and 438.525 are reserved for lower power devices such as hotspots and dongles.

General Use “Ragchew” Frequencies

Band Frequency
10m 29.600
6m 52.525 & 52.540
2m 146.540 & 146.560
1.25m 223.500
70cm (analog) 446.500, 439.950, and 439.975
70cm (hotspot) 438.450 & 438.5252
70cm (digital) 438.4625, 438.475, 438.500, and 438.5125
23cm 1294.500
13cm 2305.200

Coordinated Simplex Frequencies

This is a list of simplex frequencies that are Coordinated with the Utah VHF society for simplex use and are to be used on non-interferance basis.

Use Frequency
TERT 145.630
Experimental Simplex 145.710
ATV Intercom 145.730
CSERG 145.770
Lone Peak ARC 145.790
National Simplex 146.520
CW Practice 146.580
Utah DX Assoc. 147.600
Sultans of Simplex 446.325

ARES Coordinated Simplex

Amateur Radio Emergency Service Coordinated Simplex Frequencies by County

Use Frequency Alternate
Box Elder County 146.480 147.600
Cache County 147.520 146.520, 146.560, 145.510
Davis County 147.420 145.570, 145.750
Morgan County 147.500 146.440
Salt Lake County 147.540 145.530, 146.420, 146.500, 147.460, 147.500
Tooele County 145.730 147.480
Utah County 146.460 145.640
Weber County 146.580 145.650, 147.580, 146.560