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KA7ERV UHF/70cm DMR Repeater
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This repeater is available to support ARES Emergency Communications.
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This page last updated 1 November 2020.
Table Of Contents
Introduction
The KA7ERV UHF/70cm repeater is a low level open repeater, located at Centerville, Idaho (Boise County).
The KA7ERV repeater provides coverage in Centerville and Idaho City, and into portions of Boise County.
The repeater exhibits a low level coverage foot print.
TIP: If you are unfamiliar with DMR, please see the DMR PRIMER
page for an introduction to DMR and references to additional DMR introductory information.
It is absolutely essential that all operators become familiar with the DMR operating guidelines. These can be
found on the Idaho ARES web-site by clicking
here.
These guidelines provide a context regarding the shared resource nature of DMR and wide-area networked
repeater operation, and are structured to make the operating experience more enjoyable for all operators.
Operators who do not comply with the above mentioned guidelines may find themselves subject to FCC part 97.205(e) restrictions.
Operators hearing stations that do not adhere to the DMR operating guidelines
are encouraged to advise operators that are not in compliance, using a constructive
critique.
| W7CIA VHF/2-Meter Repeater Access Parameters |
CALL
SIGN |
DMR
MARC
ID |
COLOR
CODE |
TX
ADMITTANCE |
DYNAMIC
TALK
GROUP
SLOT |
STATIC
TALK
GROUP
SLOT |
QTH |
Input
MHz |
Output
MHz |
MODE |
Timeout
Timer
Minutes |
| KA7ERV |
311994 |
2 |
Color Code Free |
1 |
2 |
Centerville |
446.925 |
441.925 |
DMR |
10 |
Any DMR operator using any Transmit Admittance other than Color Code Free will be requested to change their
code plug to Color Code Free before conducting further operation on the repeater. Any station operator
refusing to use Color Code Free will result in the exercise of 97.205(e) to exclude that station from
operation on the repeater, and any susbequent operation, in violation of 97.205(e), will be documented
and reported to the FCC. It's simple: Be courteous to other operators by using Color Code Free
and you won't have a problem. But if you use a mode that allows you to override other operator's
use of the repeater then you will permanently loose all operating privileges on the repeater.
![[XPR-8300 Front]](/img/_repeaters/xpr-8300.jpg)
DMR Code Plug Parameters
TIME SLOT 2 IS RESERVED FOR LOCAL TRAFFIC USING TALK-GROUP 311602 ONLY. USE OF ALL OTHER TALK GROUPS, OR
THE USE OF PRIVATE CALL FEATURES, ARE RESTRICTED TO TIME-SLOT 1. ANY USER THAT OPERATES WITH ANY TALK GROUP
OTHER THAN TALK GROUP 311602 ON TIME SLOT 2 MAY FIND THEMSELVES SUBJECT TO A CFR TITLE 47 PART 97.205(e) EXCLUSION.
For those wishing to add the KA7ERV UHF/70cm DMR Repeater to their DMR code-plug, the following programming
parameters are recommended:
| DMR Code-Plug Parameters |
| CHANNEL |
CHANNEL NAME |
TALK GROUP TYPE |
TIME-SLOT |
TALK-GROUP |
COLOR CODE |
TIME OUT |
| 1 |
VC PRI
PRIMARY LOCAL |
STATIC |
2 |
311602 |
1 |
180 |
| 2 |
VC SEC
SECONDARY LOCAL |
STATIC |
1 |
311994 |
1 |
180 |
| 3 |
BM ID 3116 |
DYNAMIC |
1 |
3116 |
1 |
180 |
| 4 |
BM MT 3130 |
DYNAMIC |
1 |
3130 |
1 |
180 |
| 5 |
BM NV 3132 |
DYNAMIC |
1 |
3132 |
1 |
180 |
| 6 |
BM OR 3141 |
DYNAMIC |
1 |
3141 |
1 |
180 |
| 7 |
BM TX 3148 |
DYNAMIC |
1 |
3148 |
1 |
180 |
| 8 |
BM UT 3149 |
DYNAMIC |
1 |
3149 |
1 |
180 |
| 9 |
BM WA 3153 |
DYNAMIC |
1 |
3153 |
1 |
180 |
| 10 |
BM ZONE 7 |
DYNAMIC |
1 |
31097 |
1 |
180 |
| 11 |
BM TAC 5 |
DYNAMIC |
1 |
8955 |
1 |
180 |
| 12 |
BM SNARS 31328 |
DYNAMIC |
1 |
31328 |
1 |
180 |
| 13 |
BM SOCAL 31066 |
DYNAMIC |
1 |
31066 |
1 |
180 |
| 14 |
BM NORCAL 31068 |
DYNAMIC |
1 |
31068 |
1 |
180 |
| 15 |
BM ARES-ID 31160 |
STATIC |
1 |
31160 |
1 |
180 |
| 16 |
BM EMCOM 9911 |
STATIC |
1 |
9911 |
1 |
180 |
Dynamic talk-groups on time-slot 1 may be scheduled to operate as static talk-groups to coincide with specific
NET activiies.
Note that the BM prefix in the channel naming indicates that the channel is routed to
the BrandMeister network.
NOTE: Dynamic talk-groups are advisory. Technically, it is possible to program any talk-group into your
radio's code-plug file and use it. There are no technical restrictions applied by the repeater or the
BrandMeister network with respect to dynamic talk-groups. However, the repeater trustee recommends that
operators adhere to using the talk-group listing above in as much as is practicable. If a talk-group is
not listed, it must be programmed to operate only on time-slot 1.
Information on the KA7ERV repeater that is published on BrandMeister can be viewed by clicking
here.
Private Calls
Stations making Private Calls are asked to restrict private calls to time-slot 1. Private Calls, whether
initiated while on a talk-group, or programmed by setting the TX Contact to a private call contact,
can be carried out on time-slot 1. If you do not use a pre-programmed channel for a private call, please
make sure that you are on a channel that specfies time-slot 1 prior to initiating a private call. If you
are on a time-slot 2 channel when you receive a private call, please, at your earliest convenience,
coordinate a pause and switch to a time-slot 1 channel prior to resuming a private call.
KA7ERV Repeater Block Diagram
KA7ERV Repeater Coverage Footprint
GPS / APRS Support
IMPORTANT
Because GPS / APRS data requires the use of a time-slot, and have the potential to cause interference
to other users (including the potential to subscribe to a different dynamic talk-group), users should
disable automatic GPS data beaconing (i.e. beaconing based on time intervals or distance intervals).
Transmission of GPS data associated with either Push-To-Talk (PTT) activity or manually transmitting
GPS data are allowed as this occurs under the control of the operator and will not present a risk of
interference to other operators.
