Table 2.

Summary of effect of the number of gj-channels on overall propagation velocity (θ_ov) in single chains of cells

A. 100 cells
No. of gj-channels	θov	Firing order	End-effect
	(cm/s)	(Rating)	(cells affected)
0	*95.5	C	10 – 100
1	#92.0	C	20 – 100
10	102	B	50 – 100
30	117	A-	90 – 100
50	120	A	90 – 100
70	139	A	90 – 100
100	169	A	90 – 100
1000	833	A	90 – 100
B. 50 cells
0	46.0	B	30 – 50
1	46.3	A-	Bunching
10	51.4	A	Yes (slight)
100	188	A	Yes
D. 20 cells
0	18.5	C	No
1	23.1	A-	Bunching
10	53.6	A	Yes (slight)
E. 10 cells
0	10.6	A-	9 – 10
1	19.2	A	9 – 10 (sl)

* θ_ov was 91.5 cm/s when R_jc was lowered to 5 MΩ (from std. of 50 MΩ)

# θ_ov was slightly slowed by inserting one gj-channel