Customer Success Story

Proactive broadband with Beacon

TVS Cable, a small independent operator in southeastern Kentucky, deploys Harmonic’s Beacon solution to stabilize modem profiles, slash support call volumes by up to 44%, and shift from reactive troubleshooting to proactive service delivery — keeping subscribers online and off the phone.

David Thacker, I'm the general manager of TVS Cable. We're a small, independent operator in the southeast part of Kentucky. We're always looking at ways to improve our customer service. Today, with work-from-home customers, different competition, having a really stable service is very important. We don't want to give a customer a chance to go look for another service. Operationally, it also gives our service guys a chance to fix an issue before the customer calls in, so we're able to be on the offense rather than be on the defense trying to fix a problem. We were early on with Beacon, and Harmonic was very helpful with that. They worked with our technicians, and they showed us in analytics not just what gains we were getting, but what gains we could also get. We knew it was a product we wanted to try and knew that there would be a lot of operational efficiencies from it, but we didn't realize just how much efficiencies there really would be until we got it applied and looked at the reduction in those calls, and it was very significant. We were looking at the modulation profiles that they were able to stay on in the areas where we had Beacon versus non-Beacon areas, and even done some testing where we turned Beacon off in areas where we had Beacon on, and it was a significant difference, and the modems were very all over the place on what QAM profiles they were on, but once you turned Beacon on, they were stable. Having Beacon on there, again, make that just level for the customers. They don't see those imperfections in that service, and we're able to fix them. Our tech support does make comments on where we've had habitual problems. When those areas go without a lot of calls coming in, they raise questions on why are we not getting calls from that, and then you go explain to them that when we turn Beacon on in these areas, and Beacon's able to cause the customers to have a good steady service, a good solid service, reliable, and it increases the customer experience, and they don't call in. The 44% was on one particular area. The other areas that we looked at was in the 30% range, so like I said, it was still a very significant drop in calls. It caused them not to have a problem to begin with, so they're able to just work, stay online. They don't mess with their service. They're not looking at another provider, and they're happy.

The challenge:
Competing in a work-from-home world

TVS Cable is a small, independent cable operator serving customers in the southeast part of Kentucky. As General Manager David Thacker puts it, the team is always looking for ways to improve customer service — and in an era of remote work and expanding competition, the stakes have never been higher.

With subscribers depending on their home broadband connections for their livelihoods, even minor service imperfections can prompt customers to start shopping for alternatives. TVS’s support teams were fielding calls from areas with recurring signal quality issues, and the pattern was clear: reactive troubleshooting was putting the operator permanently on the back foot.

Key challenges included:

Unstable modem QAM profiles causing inconsistent service quality across the network
High inbound support call volumes from problem areas, straining the tech support team
Reactive operations: issues discovered only after customers called in
Growing competitive pressure from alternative providers, raising the cost of any service disruption
Work-from-home subscribers with zero tolerance for unreliable connections

The solution: Harmonic Beacon — network intelligence that levels the playing field

TVS Cable was an early adopter of Harmonic’s Beacon solution, and Harmonic’s team worked closely with TVS technicians throughout the onboarding process. Rather than simply showing the gains already achieved, the Harmonic analytics team also mapped out the additional improvements still within reach — giving TVS a clear roadmap for continuous network optimization.

Beacon works by continuously analyzing RF conditions across the cable plant and automatically adjusting modem modulation profiles to maintain the highest stable QAM level for each subscriber. Where other tools leave modems cycling unpredictably across profiles, Beacon holds them steady — delivering a consistent, reliable experience even in plant segments that previously generated chronic complaints.

The integration gave TVS’s technicians new visibility into their network: they could now see at a glance which areas had Beacon active, compare modulation profile stability between Beacon and non-Beacon segments, and quantify the direct impact on support call volumes.

TVS worker on lift installing Ripple node

The results:
Up to 44% drop in support calls & customers who simply stay online

The impact exceeded expectations. TVS conducted controlled testing — turning Beacon off in areas where it had been active — and the difference was stark. Without Beacon, modems across those segments jumped erratically between QAM profiles. With Beacon on, they stabilized immediately.

In one problem area, inbound support calls dropped by 44%. Across other areas measured, call reductions ranged around 30% — still a highly significant improvement by any operational measure. The effect was clear enough that TVS’s own tech support team began asking questions: they noticed that areas that once generated habitual complaints had simply gone quiet.

When David explained that Beacon had been switched on in those areas, the reason became obvious: Subscribers in Beacon-enabled areas simply stopped experiencing problems. They stayed online, stayed productive, and stopped looking at competing providers. For a small independent operator where every customer relationship counts, that outcome translates directly to retention and long-term revenue.

Key outcomes:

Up to 44% reduction in support calls in the highest-impact area
~30% call reduction across additional Beacon-enabled segments
Stable modem modulation profiles replacing erratic QAM cycling
Tech support teams freed from habitual problem-area calls
Improved subscriber retention as customers no longer experience service imperfections

“Operationally, it gives our service guys a chance to fix an issue before the customer calls in, so we’re able to be on the offense rather than be on the defense trying to fix a problem.”

– David Thacker,
General Manager,
TVS Cable

Headshot of David Thacker general manager at TVS Cable

44 %

Support call reduction (peak area)

~ 30 %

Call reduction across additional areas

Stable QAM

Consistent modem profiles vs. erratic cycling

On the offense, not the defense

Beyond the call volume numbers, Beacon changed something more fundamental about how TVS Cable operates. David describes it as the difference between playing offense and playing defense: rather than scrambling to resolve issues after subscribers call in, TVS technicians can now identify and address problems before customers ever notice them.

That operational posture shift has real competitive value. In a market where a frustrated subscriber can switch providers with minimal friction, the ability to resolve a service degradation invisibly — before a complaint is filed — protects both retention and the utility’s reputation.

TVS Cable also benefited from Harmonic’s collaborative approach during implementation. The team’s willingness to work alongside TVS technicians and show them not only what Beacon had already achieved, but what further gains were available, helped build internal confidence and drove ongoing optimization.

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