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• θ_si can be measured as the polarization angle of quantum entangled X-rays at the degenerate frequency of a maximal Bell state. As an angle θ_si=3.26239 rad ± 2 μrad; as a momentum θ_si=3.26239030392(48) kg m s^-1 and with respect to the Target Frame, θ_si has no units. The relation of angle and mass is mathematically demonstrated, as well, by No-Ping Chen, et. al.
• l_f, m_f and t_f are the fundamental measures, more precise expressions for Planck’s units – length, mass, and time – that consider the effects of length contraction associated with discrete measure.

• c is the speed of light which may also be written as c=n_Ll_f/n_Tt_f=299,792,458 m/s such that n_L=n_T=1 is physically significant.
• Q_L is the fractional portion of a count of l_f when engaging in a more precise calculation.
• n_Lr describes the count of l_f representative of the position of an observable with respect to the frame of a center of mass.
• Δ_f is the metric differential; describes the numerical difference in distance between the discrete and non-discrete frames of reference.
• Q_Ln_Lr, also known as the Informativity differential describes the length contraction associated with discrete measure.
• ɛ₀ is the electric constant
• μ₀ is the magnetic constant
• e is elementary charge
• ħ is the reduced Planck constant, 1.054571817 10^-34 m² kg s^-1. When accounting for the Informativity differential at the upper count bound, this term is not italicized (i.e., ħ=1.0545349844(45) ^-34 m² kg s^-1).
• α_f^-1 is the fundamental form of the inverse fine structure constant defined with respect to the Target Frame.
• α_p^-1 is the Planck-like form of the inverse fine structure constant defined with respect to the Measurement Frame.
• α_c^-1 is the classical form of the inverse fine structure constant as adopted by the CODATA collaboration. This term accounts for length contraction associated with discrete measure.
• γ is a collection of terms that describe the geometry between the Target and Measurement Frames.

The electromagnetic constants are best described as self-referencing definitions in part a function of the fine structure constant, elementary charge and Planck’s constant. The remaining terms sometimes appear singularly or as a function of one another: the electric constant, the magnetic constant and Coulomb’s constant. With respect to a Measurement Quantization (MQ) approach, this is consistent with expressions described wholly within the self-referencing frame of the observer. Breaking the deadlock is difficult without a firm understanding of frames of reference and how the forces of nature are related. Many have suspected that a quantum description of gravity would allow for a breakthrough. This has not been the case. We present a new approach with which to resolve the electric constant, now in terms of the fundamental measures alone.

Notably, we call to the reader's attention that most if not each of the descriptions we present are counts of the fundamental measures and/or the fundamental measures. We do not use the physical constants as component terms to a final definition of the electromagnetic constants. We do introduce two geometries to provide a physically correlated classical description of the calculation.

Those geometries describe features of measure, each a physically significant description of a skew in measure. The first, the metric differential, describes the relation of θ_si between the self-defining frame of the universe and the self-referencing frame of the observer. For brevity, if you are not familiar with frames of reference and their physical significance, please see the respectively linked articles.

The second effect we call the Informativity differential. It describes the skew in measure associated with discrete measure (i.e. Q_Ln_Lr). The effect is a distance sensitive property of measure that decreases in magnitude with increasing distance. Unlike the contraction of length described by relativity, this effect is unrelated, a geometric consequence best understood when approached with the Pythagorean theorem.

Understanding these effects is important to resolving, for instance, the fundamental form of the fine structure constant ^{(6,Eq. 62)}. Taking into account the metric differential between frames, we resolve the Planck-like form of the same expression. And finally, accounting for the Informativity differential, we resolve the classical form of the expression, its electromagnetic equivalent as would be found in the most recent publication of the CODATA.

We bring to the reader's attention, historically speaking, that there exists no explanation for the calculated difference between the Planck and electromagnetic expressions for the fine structure constant. This we resolve as a physically significant consequence of the Informativity differential. Its mathematical implementation follows here.

Next, we also need a description of the reduced Planck constant, one that incorporates the measurement skewing effects described by the Informativity differential. To distinguish how a measure is resolved, we modify the nomenclature. Terms are not italicized when their measure is taken at the upper count bound. All other measures - for instance, the measure of ħ with respect to blackbody radiation - are written in italics.

With MQ descriptions of each component term, we can resolve the electric constant ɛ₀. The expression is not entirely reduced in that there does not exist a straight-forward fundamental expression for elementary charge. We will use e initially and then return to consider the gamma approach, which isolates the approximation into a new term - gamma - which can be resolved separately with 13 digits of physical significance.

In the next expression, we resolve elementary charge as a count function of θ_si in terms of the fundamental measures^{(5,Sec. III.B)}. The presentation involves several steps which are discussed in the respective article. For our purposes, we present the solution.

And with this we then replace elementary charge allowing us to resolve the electric constant as a function of θ_si and the fundamental measures.

Compared to the most recent CODATA, there is a difference in the sixth digit. Notably, the measure of θ_si is constrained to six digits of precision and as such, some variation in the sixth digit is expected.

To extend precision, we use the gamma approach to resolve a value for gamma and with respect to the electric, magnetic constants and the Coulomb. Notably, all solutions to gamma are the same to elevent digits. It follows if precision equal or less are all that are desired, then it is irrelevant which source measure is resolved. Otherwise, we select a source most independent of the calculation we seek to resolve. In this case, we present the electric constant as a function of the Coulomb. The resultant calculation for the electric constant shows no difference with the CODATA.