dvgrn wrote:However, for a dove to really count as a branch point, there kind of needs to be a way to get from the same dove to some _other_ signal, and then back to the dove again.

Other signal means H, R, pi, isn't it? Not just another glider?

Still, another dove to G:

`x = 31, y = 39, rule = LifeHistory`

4$17.A$5.2A8.3A$4.A2BA6.A$4.BABA2B4.2A$4.2BA9B$6.8B$8.11B2.B$8.11B.3B

$8.15B$9.15B$7.17B$6.5B3C11B$7.4BCBC11B$7.3BC2BC11B$7.2BC2BC13B$7.3B

2C14B$7.18B$6.19B$5.21B$5.7B.13B$6.19B$6.21B$6.22B$6.4BD8B2.6B$8.2B2D

8B2.3B$9.DBD7B$9.8B$15.B$14.3B$14.B2AB$15.2A!

It also fits:

`x = 88, y = 75, rule = LifeHistory`

74.A$62.2A8.3A$61.A2BA6.A$61.BABA2B4.2A$61.2BA9B$53.A8.9B$45.2A5.A.A

6.15B2.B$46.A4.2BAB7.14B.3B$46.A.AB2.2B8.18B$47.2AB.B.6B2.20B$49.11B

2.19B$40.A9.10B2.6B3D11B$39.A.A7.13B.5BDBD11B$39.A.A5.20BD2BD11B$37.

3A.2A4.19BD2BD13B$36.A4.B5.20B2D14B$37.3AB2AB3.35B$39.A.2A39B$43.40B$

43.7B3D30B$43.7BDBD29B$44.6BD2BD3B6.21B$43.9B2D3B6.22B$43.15B5.4BD8B

2.6B$44.13B8.2B2D8B2.3B$44.12B10.DBD7B$28.B16.10B11.8B$28.2B18.10B14.

B$28.3B17.11B3.B8.3B$28.4B13.14B2.3B7.B2AB$29.4B11.20B8.2A$30.4B8.23B

.B$31.4B6.25B2A$15.4B13.4B5.25B2A$16.4B7.2A4.4B3.27B$17.4B5.B2AB4.4B.

28B$18.4B5.3B5.27B2.B$19.4B3.B.B6.31B$20.4B.6B4.32B$21.10B2.34B$13.2A

7.45B$14.A8.42B.B2A$14.A.AB6.39B3.BA.A$15.2AB.3B2.38B7.A$17.21B3D18B

10.2A$17.23BD17B$18.20B3D14B$17.38B$15.39B$13.19B3.17B$13.2BC15B5.14B

$12.3BCBC4B.7B7.13B$13.2B3C4B2.6B7.7B.5B$12.5BC4B3.6B6.2A7.3B$11.10B

6.4B7.A6.2A$10.4B12.B2A2B4.3A7.A$10.3B14.2A.B2A2.A7.A.A$8.4B18.BA.A.A

7.2A$8.2A23.A.A.2A$9.A23.A.A.2A$6.3A25.A$6.A!

Edit1:

Another one Dove-to-G:

`x = 36, y = 29, rule = LifeHistory`

3$5.A$5.3A$8.A$7.2A$7.4B$9.2B$8.5B$6.8B$4.11B$3.13B$2.16B$3.8B2D7B$3.

9B2D6B11.2A$2.9BD8B12.A$3.19B7.3A$4.5B3C10B7.A$4.5BCBC17B$5.3BC2BC18B

$5.2BC2BC20B$6.2B2C22B$6.26B$7.4B.2B6.12B$8.2B10.10B$21.6B$23.3B!

also fitting:

`x = 97, y = 74, rule = LifeHistory`

5$61.A$61.3A$64.A$63.2A$63.4B$65.2B$64.5B$62.8B$60.11B$50.A8.13B$42.

2A5.A.A6.16B$43.A4.2BAB7.8B2D7B$43.A.AB2.2B8.9B2D6B11.2A$44.2AB.B.6B

2.9BD8B12.A$46.11B2.19B7.3A$37.A9.10B2.6B3D10B7.A$36.A.A7.13B.5BDBD

17B$36.A.A5.20BD2BD18B$34.3A.2A4.19BD2BD20B$33.A4.B5.20B2D22B$34.3AB

2AB3.44B$36.A.2A30B6.12B$40.28B8.10B$40.7B3D19B8.6B$40.7BDBD19B10.3B$

41.6BD2BD3B6.8B$40.9B2D3B9.2B$40.15B$41.13B$41.12B$25.B16.10B$25.2B

18.10B$25.3B17.11B3.B$25.4B13.14B2.3B$26.4B11.20B$27.4B8.23B.B$28.4B

6.25B2A$12.4B13.4B5.25B2A$13.4B7.2A4.4B3.27B$14.4B5.B2AB4.4B.28B$15.

4B5.3B5.27B2.B$16.4B3.B.B6.31B$17.4B.6B4.32B$18.10B2.34B$10.2A7.45B$

11.A8.42B.B2A$11.A.AB6.39B3.BA.A$12.2AB.3B2.38B7.A$14.21B3D18B10.2A$

14.23BD17B$15.20B3D14B$14.38B$12.39B$10.19B3.17B$10.2BC15B5.14B$9.3BC

BC4B.7B7.13B$10.2B3C4B2.6B7.7B.5B$9.5BC4B3.6B6.2A7.3B$8.10B6.4B7.A6.

2A$7.4B12.B2A2B4.3A7.A$7.3B14.2A.B2A2.A7.A.A$5.4B18.BA.A.A7.2A$5.2A

23.A.A.2A$6.A23.A.A.2A$3.3A25.A$3.A!

Edit2:

A signal splitter, Dove to G+R, the position of the R doesn't look too bad, still it does not fit with something else:

`x = 38, y = 29, rule = LifeHistory`

2$8.A$8.3A$11.A$10.2A$10.4B$12.2B$11.5B$9.8B$7.11B$6.13B$5.10BD5B$6.

9B2D6B$6.8BDBD6B$5.18B$6.19B$7.5B3C10B$7.5BCBC15B4.B$8.3BC2BC17B.B2A$

8.2BC2BC6BD13B2A$9.2B2C7B3D10B.B$9.12BD10B$10.4B.2B6.8B$11.2B11.7B$

25.5B$26.2B!