I really think this morning the radio medicine does not work anymore. Below is a strange tail of an initial release v1 President Grant II eBay purchase and it comes no noise but another radio from the same series shows S7 like it always did. So sit back and indeed this is a 2014 initial release Grant II noise free from the box or so it appears
So I thought I’d try the noisey Grant II on the DSP and see what happens. I have my initial one and then this one via eBay an a V2 which had SSB in the UK mode first for looking into and below are the findings.
First radio in export mode shows S5/7 noise in all modes in export mode so I returned it back to multi norm to prepare a video and while doing this I changed to the eBay radio, same version 1 big sticker on the top and came in multi norm setting and was noise free. So, checked all the cables, changed the antenna cable in case, patch lead, disconnected filter and tried again and no noise. Connect the first radio and S5/7 noise is there, swap again and nothing at all. So now rU the radio with the sticker and try again and absolutely no noise at all! Connect the first and S5/7 noise. So take a look at the insides of both and no modifications have been made, both same power, board and components the same. Just the eBay one has little blue dots of ink on some components and the other does not.
Now on the noisy radio cannot hear anything below S5 and on the other one can hear signal 0/1 as long as the audio is there. I changed cables, power supply, checked the antenna and all stuff. It is sure the radio is no noise! So I can only conclude that the “Initial release of the Grant II did come noise free” but I’ve just 1 piece from 6 here that is noise free.
Coax, disconnected TVI filter, swapped patch lead, checked antenna on analyser all showed to be ok and correctly working
Grant II Iniital Release (oldest one I have) S5/7 noise all modes
President Grant II Initial Release from eBay no noise, just usual coughs and splutters
Grant II Premium first release S6/7 noise all modes
Grant II Low Noise Premium S2/3 noise
Now to the smart ones to tell me what happened? Is it a lucky noise free or did some come noise free initial release
I’ve tried a swap with Tim in Germany, mine was noisy here and quiet with him, and his quiet one was noisy here. Tried in total six Grant II radios either V1 or V2 with uk in SSB mode and all noisy. This is truly the first noise free I have seen from the box from 2014
All Rights Reserved (c) http://www.simonthewizard.com 2013-2014-2015-2016 Unathorised Use / Or Duplication of this material without express and written permission from this blog’s author is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to simonthewizard and http://www.simonthewizard.com with appropriate and specific direction to the original content.