15 days frequencies stacked ionograms

images\ionodati\Ionogrammi\Rocca\Roma\overview_ft_Rocca_Roma.png images\ionodati\Ionogrammi\Rocca\Montelibretti\overview_ft_Rocca_Montelibretti.png images\ionodati\Ionogrammi\Aquila\Roma\overview_ft_Aquila_Roma.png images\ionodati\Ionogrammi\Aquila\Montelibretti\overview_ft_Aquila_Montelibretti.png images\ionodati\Ionogrammi\Duronia\Roma\overview_ft_Duronia_Roma.png images\ionodati\Ionogrammi\Duronia\Montelibretti\overview_ft_Duronia_Monbtelibretti.png

15 days stacked ranges ionograms

images\ionodati\Ionogrammi\Rocca\Roma\overview_rt_Rocca_Roma.png images\ionodati\Ionogrammi\Rocca\Montelibretti\overview_rt_Rocca_Montelibretti.png images\ionodati\Ionogrammi\Aquila\Roma\overview_rt_Aquila_Roma.png images\ionodati\Ionogrammi\Aquila\Montelibretti\overview_rt_Aquila_Montelibretti.png images\ionodati\Ionogrammi\Duronia\Roma\overview_rt_Duronia_Roma.png images\ionodati\Ionogrammi\Duronia\Montelibretti\overview_rt_Duronia_Monbtelibretti.png