[GCARC] CrossTalk Article Correction

[Christopher Prioli AD2CS]

Hello folks...

With deepest gratitude to Club member and reader *Joe Gadoury N2JJG*, who
brought this to my attention, I would like to put forth the following
correction (with the corrected text in blue typeface) to my *From the Help
Desk* column as presented the October 2025 *CrossTalk* issue:

*Procedure*

1.    Go to *MENU > DISPLAY > TRACE* and turn off all traces except *TRACE
0.*

2.    Go to *MENU > DISPLAY > FORMAT S11 (REFL) >* and select *REAL* or
*LINEAR.*

3.    Go to *MENU > DISPLAY > MARKER *and make sure that only *MARKER 1* is
selected and active.

4.    Go to *MENU > STIMULUS > START* and set the *START* frequency to
50kHz.

5.    Go to *MENU > STIMULUS > STOP* and set the *STOP *frequency to the
value determined using the simple equation discussed above.

6.    Go to *MENU > DISPLAY > TRANSFORM > VELOCITY F.* and enter the
appropriate velocity factor value for the cable under study.

7.    Go to *MENU > DISPLAY > TRANSFORM* and select *LOW PASS IMPULSE.*

8.    Go to *MENU > DISPLAY > TRANSFORM* and set the *TRANSFORM* function
to *ON.*

9.    Install (to port S11) any adapters needed to connect the cable to be
tested to the NanoVNA.

10. Perform a proper calibration of the NanoVNA at that connection plane.

11. Save the calibration to a suitable slot in the NanoVNA.

12. Connect the cable to be tested to the NanoVNA to port S11.

13. Go to *MENU > DISPLAY > MARKER *and tap *SEARCH until it shows SEARCH
MAXIMUM*.

14. Read the displayed propagation time and the calculated length in meters
from the *MARKER 1* *(M1:)* field at the upper-right corner of the NanoVNA
display screen.

73 de

-- Chris   AD2CS
*GCARC VE Team Liaison*
*GCARC Education Committee Chair*
*GCARC Membership Committee Chair*
*Member, GCARC Board of Directors*
------------------------------------------------------------
Christopher P Prioli
648 W Holly Ave
Pitman, NJ  08071
1-856-689-6783
www.ad2cs.com