Search found 5 matches
- Thu Jan 24, 2019 8:54 pm
- Forum: MMDVM_HS Hat(s)
- Topic: JumboSpot on VHF
- Replies: 4
- Views: 5605
Re: JumboSpot on VHF
Hi Chris, MMDVM_HS firmware has support for VHF from the first version (Jan, 2017) and works correctly, I enable the external VCO when is needed according to ADF7021 datasheet (bit 25, reg 1). Personally, I use VHF regularly because is the popular band in my country. Reasons if VHF doesn't work: fre...
- Thu Nov 08, 2018 9:04 pm
- Forum: MMDVM_HS Hat(s)
- Topic: Latest Firmware?
- Replies: 12
- Views: 15911
Re: Latest Firmware?
It is true for any MMDVM_HS device
- Mon Sep 24, 2018 3:12 pm
- Forum: MMDVM_HS Hat(s)
- Topic: Board identification
- Replies: 11
- Views: 9760
Re: Board identification
In duplex mode you will not have any fill tone, because you actually use the two slots. There is not command in pi-star for MMDVM firmware (just for personal hotspots like based on MMDVM_HS). You can only compile the firmware, but I don't recognize that board.
- Mon Sep 24, 2018 1:13 pm
- Forum: MMDVM_HS Hat(s)
- Topic: Board identification
- Replies: 11
- Views: 9760
Re: Board identification
Please don't worry about 1.2 kHz tone in MMDVM/DMR DMO, this will not produce any problem in your radios. This tone was used in MMDVM/MMDVM_HS firmware to fill the "empty slot" when you are using DMR DMO mode, this was a practical solution because you can't switch on/off quickly the baseba...
- Sun Sep 02, 2018 3:26 pm
- Forum: MMDVM_HS Hat(s)
- Topic: Duplex mode unreliable
- Replies: 4
- Views: 4214
Re: Duplex mode unreliable
Be sure that your TXOffset is correct also, and try to increase your DMR deviation in Pi-Star to 55 % or 60 % and see if you get better results. This at least works with MD380 radios.