Our antennas are amplified external GPS antennas. Garmin's built in antennas are not amplified, and when tested side by side with Garmin's external antenna, ours significantly outperform the Garmin antenna, yielding an average of 28 dB signal gain compared to about 16 dB gain from Garmin's antenna.
They recommend the use of PGE2 vaginally or inside the cervix in the form of a gel. The use of prostaglandins is safer to ripen the cervix than the use of pitocin alone to start labor on an unripe cervix, although they can all increase the pain during contractions.
1 Our C46 Kefir is easier to do this with than the C45 Kefir culture.  This is then covered allowed to ripen at room temperature (68-72F) for 8 to 18 hours or more depending on the character you would like in your Kefir. Longer time and warmer temps will make a more tangy tasting Kefir.