UVHFS - Simplex frequency assignments

The Utah VHF Society
2 meter and 70cm Simplex Frequency Usage
(Wasatch Front Area Only)

Note: If you organize and/or belong to a group that often uses one or more simplex frequency (on any band) and your group is not listed correctly below, please contact the simplex frequency manager (below) with the "when and where" details.

IMPORTANT NOTICE TO ALL AMATEURS:

Simplex operation on the 70cm band

Simplex operations on the 70cm band are not quite as common as those on 2 meters, owing mostly to the fact that 2 meter radios are more common than 70cm radios. Also, under typical urban conditions, building, trees and other clutter reduce the simplex range of 70cm somewhat in comparison to 2 meters.

There is, however, fairly frequent simplex operation on the 70cm band, and it occurs primarily on the following frequencies:

446.000 and 446.500 MHz

Important note: The use of 448.800, 447.825 and 447.850 were removed as 70cm simplex frequencies by the Utah VHF Society in February, 2021 and reassigned for repeater use.

While, according to the bandplan or repeater lists, it might appear that there is plenty of room available for other simplex operations, it is EXTREMELY IMPORTANT to note that 70cm is HEAVILY used for control, linking, and other purposes and simplex operations on frequencies other than the above could jeopardize the integrity of such systems. Just because you don't hear anything on a particular frequency, do NOT assume that it is unused!

Many of the users of auxiliary, control, and linked channels on 70cm, while coordinated, chose to not have their frequencies listed in order to prevent unauthorized access to some aspects of a radio system, and/or because the frequencies are intended as link and control and are not to be used by the general amateur population.

Remember, FCC §97.201, puts the responsibility to avoid interference on the operator of the un-coordinated system when interference issues with a coordinated system arise.

If you believe that your needs require the use of frequencies other than those set apart for simplex operation (on 70cm or any other band) it is strongly recommended that you confer with the Frequency Coordinator and Simplex Frequency manager before commencing operations - and preferably before you get too far along in your plans!

For a list of assigned 70cm frequencies along the Wasatch Front, click here or go to the bottom of this page.

"What if I want to get some more frequencies for my group?"

While all operators should be applauded for their desire for community service, they should also realize that the amateur radio spectrum is a very limited resource and careful coordination amongst groups - and even within larger groups - is absolutely necessary!

What this means is that if you are part of a larger group, you should not take it upon yourself to get more frequencies, but rather address your concerns to the organization as a whole: You can imagine the confusion that would result if smaller groups set up their own, individual sub-groups without the knowledge or blessing of the leaders of the organization! Not only could this result in wasteful duplication of effort, it could also result in the practical problems of additional interference amongst other groups trying to use the same frequencies!

For more information on this topic, click here.

Please note that simplex frequencies are not coordinated (with the possible exception of 146.52 MHz as the de facto national simplex frequency.) Simplex frequencies are shared in accordance to "gentleman's agreement" that all amateurs are obliged to observe in frequency sharing and these agreements are intended to provide an orderly framework for many groups along the Wasatch Front to conduct their simplex activities with a minimum of interference.

Under no circumstances should anyone regard a simplex frequency as their frequency. Conversely, all amateurs should respect the fact that many of these groups hold scheduled nets and should consider this usage when operating.

It should be noted that this list of simplex frequencies is currently managed by Mike Groves, KD7MG and is subject to review (and revision) by the frequency coordinator. The lists on this page may not be completely up-to-date: Check with the manager first!

A few comments on using frequencies for simplex operations:

DO NOT USE SIMPLEX BELOW 145.310 MHz OR ABOVE 147.600 MHz. Below 145.310 MHz is the (nearly) exclusive domain of repeater inputs and weak-signal operation while frequencies above 147.600 MHz are repeater inputs. There are no simplex frequencies in these areas!
Avoid using a repeater input for any sort of simplex operation. Even if there isn't a repeater in your immediate vicinity, you (or one of those in your QSO) may be bringing up a repeater unknowingly. Perhaps you did check the frequency, thinking that there was no repeater or that you couldn't hit it from your location but maybe it was down at that moment, maybe it requires a subaudible tone that you don't know about, or maybe propagation changes enough that it can sometimes be accessed. (Note: There are a few carefully-studied instances in the tables below where a repeater input frequency is being regularly used for simplex operation. These exceptions are only to be made with the full knowledge of, and agreement by the frequency coordinator!)
DO NOT use frequencies between 145.00 and 145.21 for simplex operation along the Wasatch Front - which includes Logan. The frequencies from 145.10 and up are REPEATER OUTPUT and EACH CHANNEL has an operational repeater on it somewhere along the Wasatch Front while those frequencies below 145.10 are actively used for packet operation. Of course, frequencies 145.21, as you should already know, have repeater outputs on them as well!
Do not use frequencies such as 148.000 MHz or 144.000 MHz (or even 147.950 or 144.050 MHz) for FM simplex operation. A portion of your signal be outside the ham band!
Especially do not use FM on frequencies below 144.400 MHz for any reason. With the sole exception of 144.390 MHz (APRS packet operation) frequencies below 144.400 MHz are weak signal modes such as SSB and CW. Please note that FM operation at and below 144.100 is illegal!
Do not operate FM, SSB, or CW modes of any kind in the satellite subbands unless you are actually using the satellite. Such bands include 145.800-146.00 0MHz as well as 435.00-438.00 MHz. Doing so will not gain you any friends and it may be jamming ongoing QSOs - even if you can't hear them! This also means that you should NOT use 145.800 and 146.000!
DO NOT USE TONE SQUELCH (or similar) SIGNALING METHODS ON SIMPLEX FREQUENCIES! It must be remembered that the use of tone signaling (whether it is "PL" or "DPL") by its very nature prevents effective sharing of a simplex frequency owing to the fact that one cannot tell if other users are on the channel. It is NOT a panacea when it comes to alleviate band crowding and has been tried in the past by some groups with disastrous results! For more information as to why this is a bad idea, read here.
Recent FCC Rules changes have allowed primary control operations to take place on the 2 meter band (excluding 144.0-144.5 and 145.8-146.0 MHz.) Other frequencies to be avoided are repeater inputs, outputs, and the major national simplex frequencies. These operations are not considered to be merely "simplex" in nature and they must be coordinated. Types of system subject to such coordination may include, but are not limited to: Remote control of HF stations, crossband repeaters, Internet Radio Links such as IRLP and Echolink, simplex repeaters, and other types of remote control.
Below 146 MHz, use only the ODD 10 kHz channels (e.g. 145.630, 145.650, 145.770, etc.) and Above 146 MHz use only the Even 10 kHz channels (e.g. 146.440, 146.460, 147.500, 147.540, etc.) Using other than these established channel spacings or trying to "wedge" in even more channels (so-called "splinter" channels) will result in both of the adjacent channels (the one above and the one below) being unusable in addition to the "splinter" channel itself!
All references on this web page to ARES pertain to the ARRL-affiliated organization/program.

"Why aren't the "ERC" frequencies shown?"

The LDS-related ERC organization (Emergency Response Communications - formerly known as various names including ERS and ERSS) holds many local and regional nets at various times on numerous frequencies. For whatever reason, information about the times at which these various nets are held (and their frequencies) has not been readily available. If you have such information, please provide it to the contact person above. On the "2 Meter Simplex Operations by Frequency" list those frequencies on which ERC nets have been observed are noted in parentheses.

Again, please note...

Again, please note that the simplex frequencies are a shared resource and that one must be considerate of other users of the frequency. While it is inevitable that some usage conflicts will occur from time to time, it is in our best interest to find workable solutions as these arise and having up-to-date, accurate information can be invaluable.

For a statement of policy by the ERC leadership with respect to the coordination and use of frequencies, please read this document.

THE LISTS BELOW ARE SUBJECT TO CHANGES AS CONDITIONS WARRANT!

General-Purpose simplex (ragchew) frequencies:

Band Primary Secondary 1 Secondary 2

10 Meters 29.600 - -

6 Meters 52.525 52.540 -

2 Meters 146.520 146.540 146.560

222 MHz 223.500 - -

70 cm
(analog)
446.000 446.500 -

70 cm D-Star
438.500
438.5125

70 cm D-Star Dongle
(low-power only, no outside antennas permitted!)
438.525

23 cm 1294.500 - -

13cm 2305.200 - -

Notes on general-purpose simplex frequencies:

For long-winded or regularly-scheduled QSO's, it is recommended that you not use the primary simplex frequency on 2 meters and 70 cm. As is the case with any operation, allow for others to break in and make their call, join the group, or to report an emergency..
Please refrain from holding regularly scheduled nets on these frequencies when possible.
Avoid operating crossband repeaters on the primary simplex frequencies. Remember: Most crossband repeaters are not capable of being operated legally without additional equipment for proper identification and/or control! (Read about crossband repeaters here and find out why they are often not operated legally!)
438.500, 438.5125 are reserved for simplex D-Star use. Please avoid monopolization of these frequencies by placing internet-connected access points on it as this makes simplex use impossible!
438.525 is reserved for low-power use by D-Star Dongles, the devices that provide short-range access into the D-Star network. Because this frequency is shared, it is not permitted to use high-power transmitters or outside antennas since these devices are intended to provide only very short range use, with a radius of several hundred meters. In accessing these devices, please set your radio to its lowest power and use a small antenna!

2 METER Simplex Frequencies by users:

Often Used by: Primary Secondary
1 Secondary
2 Secondary
3 Secondary 4 Secondary 5

DO NOT USE SIMPLEX BELOW 145.310 MHz OR ABOVE 147.600 MHz

R.A.C.E.S. (Radio Amateur Civil Emergency Service) 146.440 147.4000 - - - -

Local ARRL ARES (Amateur Radio Emergency Service) Groups:

    Box Elder Co. ARES 146.480 147.600 # - - - -

    Cache County ARES 147.520 146.520 146.560 145.510 - -

    Davis County ARES 147.420 145.570 145.750
- - -

    Morgan County ARES 147.500 146.440 - - - -

    SL County ARES 147.540 145.530 146.420 146.500 147.460 147.500

    Tooele County ARES 145.730 147.480 - - - -

    Utah County ARES 146.460 145.630 - - - -

    Weber County ARES 146.580 145.650 147.580 145.550
146.560 -

TERT (Timpanogos Emergency Response Team) 145.630 - - - - -

Local M.A.R.A. (Mercury Amateur Radio Association) Groups:

    Cache/Rich County MARA 146.540 - - - - -

    SL/Tooele County MARA 145.690 145.310 * 145.670 - - -

    Utah County --- South MARA 146.540 145.790 - - - -

    Foothill MARA 145.610 - - - - -

E.R.C. (Emergency Response Communications)
(see note above)

    ERC North (North of Salt Lake County) 145.590 147.480
147.440
146.600
- -

    ERC Central 147.560 147.520
- - - -

    ERC South (South of Salt Lake County) 145.590 147.520
- - - -

    ERC - "Pole Canyon" 147.600

OTHERS:

National Simplex Frequency
146.520

    C.S.E.R.G. Community Service Emergency Radio Group
(Formerly: Clearfield-Syracuse Emergency Response Group) 145.770 - - - - -

    Code Practice 146.580 - - - - -

    Utah DX Association 147.600 - - - - -

    Lone Peak ARC (formerly: Highland ARC) 145.790 - - - - -

    Council of Utah Amateur Radio Clubs 146.440 147.580 - - - -

    Utah Valley University 146.480 - - - - -

    Experimental simplex (simplex autopatch, etc.) 145.710 - - - - -

    Wasatch Front ATV Intercom 145.730 - - - - -

    Malad Pass Remote Base 147.450 @ - - - - -

    RMRA Emergency Monitoring Network 145.710 & - - - - -

DO NOT USE SIMPLEX BELOW 145.310 MHz OR ABOVE 147.600 MHz

2 METER Simplex usage listed by frequency:

Frequency Often Used by Often Used by Often Used by

- DO NOT USE SIMPLEX BELOW 145.310 MHz

145.310 * SL/Tooele County MARA - -

145.510 Cache County ARES Used by Packet Group in SLC -

145.530 Salt Lake County ARES - -

145.550 Weber County ARES - -

145.570 Davis County ARES - -

145.590 ERC North ERC South -

145.610 Foothill MARA - (Various ERC)

145.630 Utah County ARES TERT -

145.650 Weber County ARES - -

145.670 SL/Tooele County MARA - -

145.690 SL/Tooele County MARA - -

145.710 & Experimental simplex (simplex autopatch, etc.) - -

145.730 Wasatch Front ATV Intercomm Tooele County ARES -

145.750 Davis County ARES - -

145.770 C.S.E.R.G. - -

145.790 Utah County ---South MARA Lone Peak ARC (formerly Highland ARC) -

146.420 Salt Lake County ARES Cache County ERC -

146.440 R.A.C.E.S. Morgan County ARES CUARC

146.460 Utah County ARES - (Various ERC)

146.480 Box Elder County ARES Utah Valley Community College -

146.500 Salt Lake County ARES -
-

146.520 National Simplex Cache County ARES -

146.540 Cache & Rich County MARA Utah County ---- South MARA -

146.560 Cache County ARES Weber County ARES (Various ERC)

146.580 Weber County ARES K7HLR Code Practice -

146.600 % ERC North - -

147.400 R.A.C.E.S. - -

147.420 Davis County ARES Davis County ARC -

147.440 SL/Tooele County MARA ERC North (Various ERC)

147.450 @ Malad Pass Remote Base - -

147.460 Salt Lake County ARES - -

147.480 Tooele County ARES ERC North -

147.500 Morgan County ARES Salt Lake Co. ARES
-

147.520 Cache County ARES ERC Central ERC South

147.540 Salt Lake County ARES - -

147.560 ERC Central - (Various ERC)

147.580 Weber County ARES CUARC -

147.600 # Box Elder County ARES Utah DX Association ERC - "Pole Canyon"

- DO NOT USE SIMPLEX ABOVE 147.600 MHz

Wasatch Front area 2 METER Packet Frequencies:

Frequency Usage

144.390 National APRS

144.910 Rural Wasatch Front Packet (AX.25)

144.930 Utah County Packet

144.950 Salt Lake County Packet

144.970 Davis/Weber/Box Elder Counties Packet

144.990 Rural Wasatch Front Packet (TCP/IP)

145.010 Statewide Packet (not for metro-area users)

145.030 Utah County Packet

145.050 Salt Lake County Packet (AX.25, MSYS)

145.070 Davis/Weber/Box Elder Counties Packet (AX.25, MSYS)

145.090 Tooele/Weber Counties Packet

145.110 Wasatch Front Packet Repeater output - Discontinued - see notice below

145.110 Digital Voice Repeater output

145.125 Digital Voice Repeater output - On Air, D-Star, Farnsworth Peak.

145.130 Utah County Packet (TCP/IP) - Discontinued - see notice below

145.150 Salt Lake County Packet (TCP/IP) - Discontinued - see notice below

145.150 Digital Voice Repeater output - On Air, D-Star, IMC, Murray, UT.

145.150 Digital Voice Repeater output - On Air, D-Star, IMC, Murray, UT.

145.175 Digital Voice Repeater output - On Air, D-Star, Bruin Peak.

145.190 Voice Repeater output - On Air, Salt Lake City, UT.

Important note on the above packet frequencies:

Because of reassignment for use by digital voice and data modes such as D-Star, the use of the of the 145.110, 145.130 and 145.150 packet frequencies are being discontinued and should no longer be used for such. Each of these frequencies are currently being used for Digital and/or analog repeater outputs.

Note: Simplex frequency usage for other bands will be posted as such information becomes available.

LEGEND:
*    145.310 Is a repeater frequency in Cache and Carbon Counties and its simplex use is on a non-interference basis.
@    147.450 This is operated under the auspices of the Southeastern Idaho frequency coordinator and its bandplan. This remote is tied into the Intermountain Intertie It is listed here because of its coverage along the Wasatch Front and potential of inference to/from 147.440 and 147.460 in areas near the Utah/Idaho border.
%    146.600 Possible future use as a linear translator output.
#    147.600 Is used as a repeater input frequency in some areas of the U.S. for repeaters on 147.000, but not in the Utah/Idaho/Wyoming border area.

70cm Simplex Frequency use:

The following are assignments of simplex frequencies on 70cm for use by specific groups and/or individuals.

Please note that unlike frequency coordination of a repeater where there are aspects of operation that make frequency agility difficult - if not impossible - the "assignment" of these frequencies is simply to let it be known who is using these frequencies so that "gentlemen's agreements" may be observed. Where geographical separations makes it practical to do so, these frequencies will be re-used.

For example, if you use a frequency for low-power operation in, say, Utah County, you must expect that this same frequency may be assigned to someone in Davis, Weber, Morgan and/or Cache county for their use as well: You are expected to take normal, industry-standard steps to mitigate any interference issues such as running minimum power, using an appropriate antenna for the limited coverage, site selection and the selection of subaudible tones or DPL codes or other means to minimize interference between geographically-adjacent users.

If you wish to operate on the frequencies noted below, please have the courtesy to contact the individual listed if you believe that it is likely that your operations may impact theirs. If the event of a dispute, arbitration will be carried out by the simplex frequency manager (see below for contact information) and decisions by this person are final.


Frequency	Subaudible tone or DPL	Organization/Name	Callsign	General Location/Area	Purpose	Comments
	Do not use simplex below	438.000 MHz		Do not use simplex below	438.000 MHz
438.000	Earth<>Space use only!	Earth<>Space use only!			Earth<>Space	Earth<>Space use only!
438.025	77.0	Ray Mejias	KD7KQG	Magna	IRLP Node
438.050		Scott Sucher	KC0VHX	Lehi	EMCOMM Net
438.075		Michael Williams	K7KJQ	Layton	EMCOMM Net
438.100		Ken Farley	KF7CLY	Bluffdale	EMCOMM Net
438.125		Ken Farley	KF7CLY	Bluffdale	EMCOMM Net
438.150		Salt Lake County ARES (ARRL)		Salt Lake County	EMCOMM
438.175		Salt Lake County ARES (ARRL)		Salt Lake County	EMCOMM
438.200		Kevin Bosworth	W7BOZ	Cache County	IRLP/Echolink
438.225		Eagle Mountain Comm. Team (EMCTM)		Eagle Mtn.	EMCTM
438.250		Reg. Hardman	VK4XH	Layton	IRLP Node
438.275		Paul Nelson	K7NEL	Layton	IRLP Node
438.300		David Boswell	N7VVX	Layton	Echolink Node
438.325		Darvell Hunt	N7LN	Utah County	Echolink Node
438.350		Roger Davies	N6DVZ	West Jordan	D-Star Simplex Node
438.375		Matt Moody	WD7N	Utah County	ERC
438.400		Matt Moody	WD7N	Utah County	ERC
438.425		Gary Crum	KK7DV	Salt Lake County	Experimental
438.450		Gary Vaughan (DHRA)	KF7SSD	Salt Lake County	EMCOMM Net
438.475		Johnny Rauzi	K7ZZQ	Davis County	Crossband Testing
438.500		General-purpose D-Star Simplex		Utah (entire state)	D-Star Simplex	12.5 kHz channel spacing
438.5125		General-purpose D-Star Simplex		Utah (entire state)	D-Star Simplex	12.5 kHz channel spacing
438.5250	Short range, low power only	Digital Dongles - no outdoor antennas		Utah (entire state)	Experimental	12.5 kHz channel spacing
438.550		ERC		not yet specified
438.575		ERC		not yet specified
438.600		ERC		not yet specified
438.625		ERC		not yet specified
438.650		ERC		not yet specified
438.675		ERC		not yet specified
438.700		Doug Chenworth	N7KOB	Utah County	D-Star/IRLP
438.725		Doug Maurer	WE7BBQ	not yet specified	(Use unknown)
438.750		Gil Leonard	NS7IL	Morgan County	Echolink Node #878482
438.775		Sarasota Springs CERT		Utah County	CERT
438.800		Sarasota Springs VIPS		Utah County	(Volunteers in Police Service)
438.825		Paul Marrot	KX7VIC	Utah County	VOIP Low-Power Node
438.850		Philip Thunborg	AK7J	Utah County	D-Star Simplex Note
438.875		Chris Poulson	K7SPY	Salt Lake County	C4FM FDMA experimentation
438.900		Nathan Hunt	KF7KGN	Salt Lake County	Link for remote base
438.925		Sandy City EMCOMM	KG7FMP	Salt Lake County	Sandy City EMCOMM
438.950		Sandy City EMCOMM	KG7FMP	Salt Lake County	Sandy City EMCOMM
438.975		Sandy City EMCOMM	KG7FMP	Salt Lake County	Sandy City EMCOMM
439.000		Sandy City EMCOMM	KG7FMP	Salt Lake County	Sandy City EMCOMM
439.025		Rick Hanzlik	N7NGK	Salt Lake County	EchoLink/IRLP Node
439.050		Lance Buttars	KC1F	Harriman/Salt Lake County	HARC/CERT
439.075		Scott Reynolds	KB7LZLQ	South Jordan/Salt Lake County	Low Power Comms.
439.100		Kevin Bowen	N0KVN	Spanish Fork/Utah County	Crossband/SAR
439.125		Alma Perry	W1ZGY	Sarasota Sp. N. Stake	ERC
439.150		S. SL Couty Am Radio Team	N7OVT?	Salt Lake County	EMCOMM
439.175	118.8	Lawrence B. Lincoln	NR7Y	Salt Lake County	Allstar Node 27150
439.200		Glen Worthington	WA7X	Salt Lake County	Millcreek
439.225		Noji Ratzlaff	KN0JI	Utah County	Orem Aspen Neighborhood
439.250		Sterling Calabio	KC6JLX	Utah County	Allstar Node 27150
439.275		Darin Watrous	W7XDX	Salt Lake County	EMCOMM
439.300		Brady MacPherson	KD7AWJ	Utah County	SAR/Range Extension
439.325		Dick Abbott	K7MZ	Salt Lake County	Cottonwood Heights EmComm
439.350		Bill Buhler	AF7SJ	Salt Lake County	Experimental
439.450		City of American Fork		Utah County	American Fork EMCOMM
439.675		Don Clouse	N2NR	Salt Lake County	Echolink Node 4272
- - - - - -	- - - - - -	- - - - - -	- - - - - -	- - - - - -	- - - - - -	- - - - - -
446.000	Tones not permitted	Simplex in Utah		Utah (entire state)	Simplex in Utah	Simplex in Utah
446.500	Tones not permitted	Simplex in Utah		Utah (entire state)	Simplex in Utah	Simplex in Utah

Because they must be known for observation of gentlemen's agreements, the frequencies in the above lists are to be made public.

Please note that there are a large number of frequencies in the 70cm band that are not shown here or in the repeater listings as they are used for linking, control or auxiliary purposes

Re-Use of simplex frequencies:

Note also that through the use of geographical separation and the use of DPL or subaudible tones, frequency re-use will occur so users should NOT expect a completely "private" frequency.

By definition, the "Utah Simplex" frequencies (446.000 and 446.500) are shared in the same way as 146.520 so operation of tones in these frequencies is strongly discouraged!

If operation on a frequency listed above by the noted party outside the intended local area is anticipated, please make this known to the frequency manager.

Do not expect to be "given" your own, private frequency to be used everywhere you might anticipate going as this is simply not a practical - or even a desirable - use of our scarce, amateur-band resources!

Narrowband operation:

You may have noticed that some modern radios include "FM-Narrow" operation. While there are NO analog repeaters in Utah intended for this mode - and radios should not be set to narrowband when using any analog voice repeater - such operation may be encouraged on these simplex frequencies in the future. Frequencies dedicated to "FM-Narrow" operation, only, will be indicated as such, should they occur.

Digital Mode Operation:

If you use a digital mode such as D-Star, Mototrbo or C4FM in a simplex mode you are encouraged to use one of the existing frequencies, listed above.

PLEASE NOTE: D-Star operations may operate with 12.5 kHz channel separation between other D-Star operations, but other modes, Digital and Analog (MotoTrbo, C4FM, and FM-wide analog) must be spaced at least 15 kHz to avoid interference for operations that are geographically adjacent - which is to say, within "easy" simplex range of each other.

Simplex Repeater/Node operation:

Unless you have made it known to the frequency manager, DO NOT operate an internet node or simplex repeater on any of the above frequencies because doing so will preclude their being shared in the areas covered by the station. If a simplex repeater or internet node is used, it is strongly recommended that a subaudible tone or DPL code be used by the repeater/node itself in both transmit and receive to help mitigate any interference issues that might arise.

Please note that if a simplex repeater or node is in operation, FCC rules require that an operator always be present. This means that at any time the device is in operation, someone must be monitoring the frequency that has the capability of either turning off the transmitter or contacting someone who can.

Site selection:

The use and re-use of these frequencies is contingent on the user(s) expected operation and geographical coverage at the time of the assignment.

If the user moves and/or is anticipating relocating devices/stations using these frequencies to a "high level" site such as the top of a mountain or a location that commands an unusually wide-area coverage, they are violating the intent of their "gentleman's agreement" and not only will they be likely to cause interference to others that might be (re)-using the frequency, but they are likely to experience degradation in coverage, themselves.

Again, as mentioned above, DO NOT operate on simplex frequencies using PL, subaudible, or digital squelch systems as this is not conducive to effective frequency sharing!

For the purposes of this document, the "Wasatch Front" area includes: Davis, Weber, Box Elder, Salt Lake, Utah, Morgan, Tooele, Cache and Summit counties.

Questions or comments pertaining to the layout of this web page may be directed to: uvhfs@utahvhfs.org

This page was last updated on 20210525

Return to the Utah VHF Society home page.

Band	Primary	Secondary 1	Secondary 2
10 Meters	29.600	-	-
6 Meters	52.525	52.540	-
2 Meters	146.520	146.540	146.560
222 MHz	223.500	-	-
70 cm (analog)	446.000	446.500	-
70 cm D-Star	438.500	438.5125
70 cm D-Star Dongle (low-power only, no outside antennas permitted!)	438.525
23 cm	1294.500	-	-
13cm	2305.200	-	-

Often Used by:	Primary	Secondary 1	Secondary 2	Secondary 3	Secondary 4	Secondary 5
DO NOT USE SIMPLEX BELOW 145.310 MHz OR ABOVE 147.600 MHz
R.A.C.E.S. (Radio Amateur Civil Emergency Service)	146.440	147.4000	-	-	-	-
Local ARRL ARES (Amateur Radio Emergency Service) Groups:
Box Elder Co. ARES	146.480	147.600 #	-	-	-	-
Cache County ARES	147.520	146.520	146.560	145.510	-	-
Davis County ARES	147.420	145.570	145.750	-	-	-
Morgan County ARES	147.500	146.440	-	-	-	-
SL County ARES	147.540	145.530	146.420	146.500	147.460	147.500
Tooele County ARES	145.730	147.480	-	-	-	-
Utah County ARES	146.460	145.630	-	-	-	-
Weber County ARES	146.580	145.650	147.580	145.550	146.560	-
TERT (Timpanogos Emergency Response Team)	145.630	-	-	-	-	-
Local M.A.R.A. (Mercury Amateur Radio Association) Groups:
Cache/Rich County MARA	146.540	-	-	-	-	-
SL/Tooele County MARA	145.690	145.310 *	145.670	-	-	-
Utah County --- South MARA	146.540	145.790	-	-	-	-
Foothill MARA	145.610	-	-	-	-	-
E.R.C. (Emergency Response Communications) (see note above)
ERC North (North of Salt Lake County)	145.590	147.480	147.440	146.600	-	-
ERC Central	147.560	147.520	-	-	-	-
ERC South (South of Salt Lake County)	145.590	147.520	-	-	-	-
ERC - "Pole Canyon"	147.600
OTHERS:
National Simplex Frequency	146.520
C.S.E.R.G. Community Service Emergency Radio Group (Formerly: Clearfield-Syracuse Emergency Response Group)	145.770	-	-	-	-	-
Code Practice	146.580	-	-	-	-	-
Utah DX Association	147.600	-	-	-	-	-
Lone Peak ARC (formerly: Highland ARC)	145.790	-	-	-	-	-
Council of Utah Amateur Radio Clubs	146.440	147.580	-	-	-	-
Utah Valley University	146.480	-	-	-	-	-
Experimental simplex (simplex autopatch, etc.)	145.710	-	-	-	-	-
Wasatch Front ATV Intercom	145.730	-	-	-	-	-
Malad Pass Remote Base	147.450 @	-	-	-	-	-
RMRA Emergency Monitoring Network	145.710 &	-	-	-	-	-
DO NOT USE SIMPLEX BELOW 145.310 MHz OR ABOVE 147.600 MHz

Frequency	Often Used by	Often Used by	Often Used by
-	DO NOT USE SIMPLEX	BELOW 145.310 MHz
145.310 *	SL/Tooele County MARA	-	-
145.510	Cache County ARES	Used by Packet Group in SLC	-
145.530	Salt Lake County ARES	-	-
145.550	Weber County ARES	-	-
145.570	Davis County ARES	-	-
145.590	ERC North	ERC South	-
145.610	Foothill MARA	-	(Various ERC)
145.630	Utah County ARES	TERT	-
145.650	Weber County ARES	-	-
145.670	SL/Tooele County MARA	-	-
145.690	SL/Tooele County MARA	-	-
145.710 &	Experimental simplex (simplex autopatch, etc.)	-	-
145.730	Wasatch Front ATV Intercomm	Tooele County ARES	-
145.750	Davis County ARES	-	-
145.770	C.S.E.R.G.	-	-
145.790	Utah County ---South MARA	Lone Peak ARC (formerly Highland ARC)	-
146.420	Salt Lake County ARES	Cache County ERC	-
146.440	R.A.C.E.S.	Morgan County ARES	CUARC
146.460	Utah County ARES	-	(Various ERC)
146.480	Box Elder County ARES	Utah Valley Community College	-
146.500	Salt Lake County ARES	-	-
146.520	*National Simplex*	Cache County ARES	-
146.540	Cache & Rich County MARA	Utah County ---- South MARA	-
146.560	Cache County ARES	Weber County ARES	(Various ERC)
146.580	Weber County ARES	K7HLR Code Practice	-
146.600 %	ERC North	-	-
147.400	R.A.C.E.S.	-	-
147.420	Davis County ARES	Davis County ARC	-
147.440	SL/Tooele County MARA	ERC North	(Various ERC)
147.450 @	Malad Pass Remote Base	-	-
147.460	Salt Lake County ARES	-	-
147.480	Tooele County ARES	ERC North	-
147.500	Morgan County ARES	Salt Lake Co. ARES	-
147.520	Cache County ARES	ERC Central	ERC South
147.540	Salt Lake County ARES	-	-
147.560	ERC Central	-	(Various ERC)
147.580	Weber County ARES	CUARC	-
147.600 #	Box Elder County ARES	Utah DX Association	ERC - "Pole Canyon"
-	DO NOT USE SIMPLEX	ABOVE 147.600 MHz

Frequency	Usage
144.390	National APRS
144.910	Rural Wasatch Front Packet (AX.25)
144.930	Utah County Packet
144.950	Salt Lake County Packet
144.970	Davis/Weber/Box Elder Counties Packet
144.990	Rural Wasatch Front Packet (TCP/IP)
145.010	Statewide Packet (not for metro-area users)
145.030	Utah County Packet
145.050	Salt Lake County Packet (AX.25, MSYS)
145.070	Davis/Weber/Box Elder Counties Packet (AX.25, MSYS)
145.090	Tooele/Weber Counties Packet
*145.110*	Wasatch Front Packet Repeater output - Discontinued - see notice below
145.110	Digital Voice Repeater output
145.125	Digital Voice Repeater output - On Air, D-Star, Farnsworth Peak.
*145.130*	Utah County Packet (TCP/IP) - Discontinued - see notice below
*145.150*	Salt Lake County Packet (TCP/IP) - Discontinued - see notice below
145.150	Digital Voice Repeater output - On Air, D-Star, IMC, Murray, UT.
145.150	Digital Voice Repeater output - On Air, D-Star, IMC, Murray, UT.
145.175	Digital Voice Repeater output - On Air, D-Star, Bruin Peak.
145.190	Voice Repeater output - On Air, Salt Lake City, UT.