RMRL Membership, P.O. Box 3821,
Centennial, CO
80161
E-mail:
rmrl@juno.com Web: http://www.rmrl.org
April 2004
Dear Prospective Member,
Thank you for your
interest in the Rocky Mountain Radio League (RMRL).
The RMRL is a
Denver-based amateur radio club that emphasizes VHF and UHF repeater operation.
We are affiliated with the American Radio Relay League as a Special Service
Club. Members are located up and down the Front Range from Cheyenne to Colorado
Springs. Membership fluctuates around 350. Activities include furnishing
communications coverage for civic events, emergencies and a severe storm-warning
network to assist the National Weather Service. Social events include a summer
picnic, holiday dinner, and hamfest each year.
The club owns and
operates four 2 meter repeaters (145.220, 145.340, 145.430 and 146.940 MHz),
one 1 ¼ meter repeater (224.000 MHz), and five 70 cm repeaters (449.125,
449.450, 449.750, 449.825, and 449.875 MHz) which serve the Colorado Front
Range. All of the repeaters except 449.825 are located at mountaintop sites
near Boulder, Golden, Idaho Springs, Evergreen, and Sedalia. Elevation at the
sites ranges from 8,300 to 11,440 feet. The 449.825 MHz machine is located near
Broomfield at approximately 5,600 feet.
·
145.220
provides excellent HT (handheld radio) coverage throughout the metro area. It
also supports the APCO-25 standard for digital audio.
·
145.220 and
224.000 have an autopatch available to members.
·
145.340 is
Node 3350 on the Internet Radio Linking Project (IRLP) network, and may be
linked to other repeaters around the world using voice-over-IP technology on the
Internet.
·
145.430
provides good coverage of both Denver and Boulder.
·
146.940 and
449.450 are wide area coverage machines reaching Cheyenne to the north, Colorado
Springs and Pueblo to the south, a wide area of the eastern plains, and west to
the Continental Divide.
·
449.125
provides excellent coverage of the Rampart Range area southwest of Denver.
·
449.750 is
used for experimental and test purposes, and also provides digital amateur
paging for members.
·
449.825 is
linked full time to the 146.940 repeater, extending its coverage into Boulder
and other “shadowed” areas.
·
449.875 MHz
has an aircraft emergency locator transmitter (ELT) receiver that alerts users
to potentially downed aircraft.
We also have a
balloon-flyable repeater with a receive frequency of 445.975 MHz and a transmit
frequency of 147.555 MHz. This machine is available for use by members upon
request.
All RMRL repeaters,
except the 146.940 repeater, require the use of a 103.5 Hz CTCSS access tone.
The CTCSS tone is normally optional on the 146.940 repeater, but may be required
if RF interference is present. The 449.750 MHz repeater also requires DTMF
access due to its experimental nature.
The RMRL uses all
commercial equipment (GE MASTR II repeaters and S-COM controllers). New
state-of-the-art equipment is added from time to time. Down time on any one
unit is short due to excellent technical support. Control operators monitor the
frequencies to provide orderly and authorized use of the equipment and
frequencies.
We have an on the air
meeting each Monday evening at 8:30 PM local time on the 146.940, 449.450, and
449.825 repeaters. The club also intermittently publishes a newsletter called
the QRZ, which is available via e-mail and on the club's website. A roster
listing the call letters, address and phone number of each member is distributed
annually.
A family membership is
$20.00 annually and covers all amateurs in your household, including students
away from home who claim the parents' address. There is also a youth
individual membership for $5.00 per year, which is available to amateurs 15
years old and younger whose parents are not RMRL members. The RMRL is a
501(c)(3) non-profit organization and contributions are tax deductible.
On behalf of the
membership of the RMRL, I invite you to join our group. We would welcome your
participation in and support of our activities.
73,
Michael Weaver, KA6YFB
Membership Chairman