How To Make Your Beacon Strategy Work

If you look at a real HDD yard, it rarely belongs to just one brand. You might have Ditch Witch drills with Subsite locators parked next to rigs that run DigiTrak guidance. Over time, gear gets bought, sold and shuffled between crews, and you end up with a mixed fleet that still has to deliver clean bores every week.

The question is not whether you can make this work. Plenty of contractors already do. The question is whether you have a clear strategy for the beacons in the drill head, especially on older Subsite systems and higher end DigiTrak rigs that tackle deeper or more demanding projects.

This guest post looks at how to think about that mix on purpose, not by guesswork, and why being deliberate about your Subsite and DigiTrak transmitters will save you both time and stress.

Why legacy Subsite systems are still in the game

A lot of older Ditch Witch drill packages are still guided by classic Subsite locators. They may not be the newest models, but they are paid off, familiar to the crew and more than capable of handling short and medium length utility work.

Typical jobs where those systems still shine:

• Residential and light commercial service lines
• Short and moderate road or driveway crossings
• Local utility relocations at modest depths
• Work in areas where interference is known and manageable

On these projects, the locator is rarely the limiting factor. The real weak link is the beacon in the head. If the beacon is tired, inconsistent or poorly matched to the job, guidance feels fragile even though the rest of the system is fine. When you commit to a small pool of tested, reliable units such as a dedicated subsite 86b beacon, those same legacy rigs suddenly feel a lot more predictable.

Where DigiTrak rigs raise the stakes

On the other end of the yard, you may have one or more rigs that run higher performance DigiTrak systems, often on your toughest or most profitable jobs. These are the rigs that:

• Take on deeper or longer shots under highways, rivers or rail lines
• Work in dense, interference heavy urban corridors
• Handle grade critical sewer and water projects with tight tolerances
• Serve demanding clients who expect reliable documentation and minimal risk

On this side of the fleet, the cost of losing signal halfway through a bore is much higher. You need more range, cleaner data and more consistent pitch and roll information. That is where long range, dual frequency DigiTrak sondes earn their place.

A good example is a beacon like the digitrak 5xd 19/12. Units in this class are built to push signal deeper and farther, with frequency options and power modes that help fight interference and extend practical working range. They are overkill for a simple 20 meter service line, but they are exactly what you want at the front of the drill string when you are a hundred feet deep under a busy road.

One fleet, two tiers of work

Once you acknowledge that Subsite and DigiTrak rigs are doing different jobs, you can stop trying to treat all beacons as interchangeable. Instead, build a simple two tier structure.

Tier 1: Everyday utility work

• Rigs guided by Subsite locators
• Jobs with moderate depth and manageable interference
• Uses a small, clearly defined pool of Subsite compatible beacons
• At least one primary and one identical spare on every truck

Tier 2: High consequence and high difficulty work

• Rigs guided by DigiTrak systems, often F2, F5 or Falcon
• Jobs that are deep, long or sit in noisy urban environments
• Uses higher spec DigiTrak sondes, including long range and dual frequency options
• Multiple tested units on site, so one failure never stops the job

When you decide this in advance, your crews no longer raid random boxes for “anything that will work”. They know which beacons belong on which rig and why.

Standardization beats the mystery box

Most guidance problems in mixed fleets come from the same root cause: the mystery box of beacons. Different models, unknown ages, unclear histories. The crew opens a lid, grabs whatever fits the housing and hopes for the best.

Instead, treat transmitters like any other critical asset:

• Choose standard workhorse models for each system.
• Label every beacon with system compatibility, depth rating and last test date.
• Keep a basic log of which unit ran on which job and how it behaved.

For Subsite, that might mean building your legacy rigs around one trusted Subsite 86B style beacon plus backups. For DigiTrak, it might mean standardizing your “serious” work around a handful of long range sondes like the 5XD 19/12, supported by a secondary set of mid range units for less demanding bores.

The goal is simple. When a crew loads up in the morning, they should know exactly which beacons are in the truck, which rigs they belong to and what kind of work they are suitable for.

Refurbishment and retirement, matching cost to risk

You do not have to buy everything brand new to have a strong beacon inventory, especially when you are supporting both legacy Subsite and modern DigiTrak gear. The key is to match each unit to the right level of risk.

• Use your newest, best performing sondes on deep or critical DigiTrak guided projects.
• Use professionally refurbished beacons on everyday work where failure is inconvenient but not catastrophic.
• Retire very old or unstable units to training yards or short test bores instead of throwing them at highway crossings.

This approach lets you carry enough transmitters across both brands to give every rig real redundancy, without spending premium money where you do not need to.

Daily habits that protect every brand in the yard

Whether the logo on the handle says Subsite or DigiTrak, the physics in the housing are the same. Good handling habits extend beacon life across the entire fleet:

• Clean threads and sealing surfaces before you open or close any housing.
• Replace o rings that look flattened, cracked or shiny, not “next time”.
• Keep battery compartments dry and free from corrosion and do not mix old and new cells.
• Store beacons in padded cases, not loose in metal toolboxes or truck beds.
• Pull and tag any transmitter that starts giving jumpy or inconsistent readings and bench test it before sending it back out.

These small routines cost minutes, but they often double the useful life of your sonde inventory, which matters even more when you are supporting multiple locator brands.

Bringing it all together

A mixed Ditch Witch and DigiTrak fleet is not a problem to fix, it is a reality to manage. Subsite based rigs, backed by a small, trusted pool of compatible beacons, can quietly handle a huge amount of everyday work. DigiTrak guided rigs, equipped with stronger long range sondes, can take on deeper and riskier projects with confidence.

If you stop treating beacons as random consumables and start treating them as a structured pool of critical parts, the “signal problem” that used to haunt your debriefs will start to fade. In its place you get something far more valuable, a guidance setup where every rig has the right beacon for the job, and every crew knows exactly why.