23-2

Team 15 Robert Bennett, Las Cruces, New Mexico. Similar conditions to 23-1.

LORAN present.

23-3

Team 7 Dean Knight, Sonoma Valley High School, Sonoma, California. Strong LORAN.

23-4

Jean-Claude Touzin, St. Vital, Quebec, Canada. Very quiet conditions.

29-2

Team 25 Norm Anderson, Cedar Falls, Iowa. Medium density sferics, good signal.

Arrow points to WWV tone.

E29-4

Team E5 Renato Romero, Cumiana, Italy. Dense sferics.

E29-5

Team E7 Alessandro Arrighi, Florence, Italy. Good sferics, medium density.

E29-6

Team E5 Renato Romero, Cumiana, Italy.

30-1

Team 15 Robert Bennett, Las Cruces, New Mexico. Dense sferics and tweeks.

Strong LORAN signal present.

30-2

Team 1 Jack Lamb, Belton, Texas. Low density, strong sferics.

30-3

Team 7 Dean Knight, Sonoma Valley High School, Sonoma, California. Strong LORAN.

LORAN and WWV evident.

Team 6 Bill Pine, Chaffey High School, Ontario, California.

This is the same operation as the previous one which was recorded about 700 kilometers north of the Team 6 location.

30-4

Team 15 Robert Bennett, Las Cruces, New Mexico. Strong LORAN present.

30-5

Team 18 David Jones, Columbus, Georgia. Medium density sferics and tweeks.

Close-up of a burst of tweeks indicated by the arrow on the 1-minute spectrogram.