RiserBond 1270 Repair and Calibration

An example plot (right of cursor 2 is the electrical effect of the antenna)

My RiserBond 1270 TDR came back from DigiTrace repaired and freshly calibrated. (DigiTrace is at http://www.digitrace.com/ )

Great people to work with and excellent turn-around.

I put the returned TDR to work right away at both my island QTH and Tom K0TTC’s island home station.

A great device to have available, though not certain I could recommend every ham have one. With three stations and lots of ham friends who have opportunities to explore with a TDR, I’ve found having one useful.  If I had one feedline to inspect it would be silly to have this gear around.

In one recent inspection it found a pulled coax that didn’t test very well. I am thinking that one of the ends needs rework. Swapping to feedline pull #2 was the short term solution and put the station effectiveness back to norms.

I do not believe my RiserBond 1270a was “officially” calibrated for a very long time, even when I acquired it in 2006.

So it is wonderful to put any worries about being out of spec aside as well as the return-to-duty service that was absolutely needed.

As the repairs and calibration process use several hours of bench time, the costs reflect that service investment.

73

Steve
K9ZW

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