History of the Sin City Repeater Group

The Sin City Repeater Group (SCRG) began with a simple but powerful goal: connect Buffalo expats living in Las Vegas with their friends and families back home in Western New York. That vision still defines the Group today — a Las Vegas amateur radio repeater network with deep roots in Buffalo.


Early Days: From The K to Railroad Pass

Our story starts with “The K” — Scott K7RSW’s lively 448.875 MHz repeater in Henderson. Inspired by its open, freewheeling spirit, founder Bill N4NJJ launched his first repeater on 446.825 MHz in Railroad Pass with the support of Kirk NO7BS. Determined to keep conversations alive between Buffalo and Las Vegas, Bill teamed up with Kevin K9KVN, Ross KB2TIN, and “One Watt Ed” N2NJJ. Together, they coordinated 442.675 MHz in Western New York, creating a two-way bridge across the miles.

Additional machines on 445.975 and 445.375 MHz followed, giving Las Vegas linked repeater coverage designed to connect Bill and his Buffalo friends. From the beginning, the network wasn’t just another repeater system — it was built to link hometowns and make amateur radio feel personal again.


Innovation and the First 420 MHz Repeater

In late 2016, Sin City made history by putting Nevada’s first-ever coordinated 420 MHz amateur radio repeater on the air at 420.850 MHz. Built from a retired City of Toronto Police Department Motorola Quantar, the project carried a special nod to Bill’s hometown of Buffalo — since Toronto sits just 50 air miles across Lake Ontario. For Bill, the machine was more than a technical achievement; it was a symbolic bridge between his roots in Western New York amateur radio and his new life building a Las Vegas ham radio network. Recognized by the Southern Nevada Repeater Coordinators as the state’s first 420 MHz machine, it cemented SCRG’s reputation for technical firsts while honoring the Buffalo connection that inspired the Group from day one.


More Than Repeaters: A Real Community

But Sin City has always been more than radios and frequencies. A true community grew around the network — one that feels more like family than just a club. Weekly Thursday tavern meet-ups became tradition, often spilling into off-roading adventures, pool parties, barbecues, and family outings. Members organized camping trips, fishing weekends, and all kinds of gatherings that extended beyond the airwaves. From the start, the Sin City Repeater Group was a family — not just a collection of hams — and that spirit continues to define its culture today.


The Sin City 700 and Expansion

By summer 2020, expansion accelerated. With encouragement from Rob KG6DTL and Bob WB6TNP, Bill N4NJJ connected with Bill Cody K6UHF of the Southern California Repeater Network (SCRN). That partnership led to coordination of 449.700 MHz in December 2020 — and the birth of the Sin City 700. Installed by Bill N4NJJ, Chris KI7VLP, and Scott K7RSW, with IT and Linux expertise from Justin KG7FKJ and support from Richie K7APX, the 700 has become a defining repeater for the valley. This milestone came months before the Henderson Amateur Radio Club installed its H1 in 2021, underscoring Sin City’s role as a Las Vegas amateur radio pioneer.

In March 2021, the 448.325 MHz repeater atop Angel Peak was granted by the Southern Nevada Repeater Coordinators. This repeater was installed by Bill N4NJJ, Chris KI7VLP, Dan W7IVK, Scott K7RSW, and Jeremy N7JSG. Soon after, additional five additional repeaters filled coverage gaps in Centennial Hills, serving neighborhoods like Lone Mountain, Desert Shores, and Summerlin North with 2m, 440, and 900 MHz amateur radio coverage.

The Sin City Repeater Group provides technical expertise and support to other organizations. This special relationship cements the Sin City Repeater Group’s reputation for leadership and technical support in the community. Founding President Bill N4NJJ routinely says, “A rising tide rises all ships.”

In an August 2025 bar night at the Flowing Tide Pub, it was decided to seek out affiliation with the ARRL. After a conversation with long-time ARRL Section Manager John N7UR, Bill N4NJJ learned the process. Enterprising members preceeded to build out this website, complete the application, and submit it. ARRL affiliation was granted on Tuesday, September 9, 2025.


A Network That Spans Regions

Today, the Sin City system regularly links with the Buffalo Amateur Radio Repeater Association (BARRA) — where founder Bill N4NJJ still serves as a net control for the weekly Wednesday night Tech Net. The Sin City Repeater Group enjoys a very close and friendly relationship with the Mabuhay DX Club of Nevada NA7LV. The network also ties into Jeff K5BLS’s system, the Freedom Net in Northern Arizona, and other AllStar Link repeaters in the Southwest. These links ensure Sin City remains not just a local Las Vegas ham radio group, but a regional voice connecting Nevada, Arizona, Utah, California — and of course, Buffalo.


Culture: Not for Everyone — and Proud of It

More than the equipment, though, SCRG is defined by its culture. Keeping alive the wide-open atmosphere of The K, conversations are authentic, opinionated, and freeform. Topics range from music, politics, and religion to cars, firearms, and food — a style far removed from “taxicab dispatch” repeaters.

With one of the largest concentrations of younger hams in Nevada, SCRG continues to draw operators who want more than buttoned-up silence. And we’ll say it plainly: this system isn’t for everyone. If you want a quiet, sterile, radio-check-only machine, there are plenty of those out there.

This just isn’t one of them.

We like to think of it this way: if you want silence, spin the dial; if you want conversation, welcome home.